diff --git a/DESCRIPTION b/DESCRIPTION
index f91acc5..498ff41 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -31,5 +31,5 @@ Suggests:
 Config/testthat/edition: 3
 VignetteBuilder: knitr
 RoxygenNote: 7.3.3
-MinCorpusSchema: 3
-MaxCorpusSchema: 3
+MinCorpusSchema: 4
+MaxCorpusSchema: 4
diff --git a/NEWS.md b/NEWS.md
index 375f877..2f171b0 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,25 @@
 # uscogdata 0.1.0 (development)
 
+## Breaking: corpus schema_version 4 (Phase P canonical ids)
+
+* The package now requires corpus `schema_version = 4` (`MinCorpusSchema` /
+  `MaxCorpusSchema` in `DESCRIPTION` are both `4`); older corpora built
+  against schema 3 are rejected by `cog_open()` with a clear version-mismatch
+  error. `canonical_govid` is now uniformly 12 characters across every
+  vintage the corpus covers (previously a mix of 9-char legacy ids and
+  12-char FIPS ids depending on source year) — **every hardcoded
+  `canonical_govid` literal from a pre-Phase-P corpus is now invalid** and
+  must be re-resolved via `cog_gov_search()` or the new `canonical_alias`
+  lookup table. `canonical_fips_xwalk` gains four columns
+  (`legacy_govs_id`, `census_geoid`, `id_source`; `confidence` is renamed to
+  `pop_confidence`) and a companion `canonical_alias` table ships in the
+  corpus for mapping legacy/alternate ids onto the current canonical
+  namespace. The bundled fixture corpus (`inst/extdata/fixture_corpus/`) has
+  been regenerated against the Phase P publish tree, now ships the full
+  `canonical_fips_xwalk` and `canonical_alias` master tables alongside the
+  2019-2020 long partitions, and is reproducible via
+  `data-raw/regenerate_fixture_corpus.R`.
+
 ## Clearer errors when `USCOGDATA_URL` is unconfigured or returns non-JSON
 
 * `cog_open()` now aborts with the `uscogdata_url_not_configured` error
diff --git a/R/search.R b/R/search.R
index d2b78d6..4a28eb7 100644
--- a/R/search.R
+++ b/R/search.R
@@ -126,9 +126,10 @@ cog_gov_search <- function(name = NULL, state = NULL, type = NULL) {
     canonical_govid = character(0), gov_name = character(0),
     govs_type = integer(0), type_label = character(0),
     fips_state = character(0), fips_county = character(0),
-    fips_place = character(0), first_year = integer(0),
-    last_year = integer(0), population_acs = integer(0),
-    confidence = character(0)
+    fips_place = character(0), legacy_govs_id = character(0),
+    first_year = integer(0), last_year = integer(0),
+    census_geoid = character(0), population_acs = integer(0),
+    pop_confidence = character(0), id_source = character(0)
   )
 }
 
diff --git a/R/session.R b/R/session.R
index 422469e..1e9f313 100644
--- a/R/session.R
+++ b/R/session.R
@@ -12,7 +12,7 @@ cog_open <- function(url = .resolve_url(),
   DBI::dbExecute(con, "INSTALL httpfs; LOAD httpfs;")
 
   manifest <- .fetch_or_cache_manifest(url, cache_dir)
-  .validate_schema(manifest, expected_version = 3L)
+  .validate_schema(manifest, expected_version = 4L)
   .validate_scope(manifest)
 
   .register_views(con, url, manifest)
diff --git a/data-raw/regenerate_fixture_corpus.R b/data-raw/regenerate_fixture_corpus.R
new file mode 100644
index 0000000..9e54756
--- /dev/null
+++ b/data-raw/regenerate_fixture_corpus.R
@@ -0,0 +1,215 @@
+# data-raw/regenerate_fixture_corpus.R
+#
+# Regenerate inst/extdata/fixture_corpus/ from a cog_pipeline publish tree.
+#
+# What this does:
+#   1. Copies the year=2019 and year=2020 long partitions as-is (byte-for-
+#      byte) from <publish_cache>/data/long/ into the fixture.
+#   2. Copies the full canonical_fips_xwalk.parquet, canonical_alias.parquet,
+#      and summary_categories.parquet metadata tables as-is (these are small
+#      cross-vintage registries, not partitioned by year, so the fixture
+#      ships the complete tables rather than a year-scoped subset).
+#   3. Resyncs the four reference docs (data_dictionary.md,
+#      reader-specification.md, README.md, series_breaks.md) from the
+#      publish tree's docs/.
+#   4. Hand-builds manifest.json for just the files the fixture ships,
+#      following the shape of the previous fixture manifest but with
+#      schema_version bumped to whatever the source manifest reports, and
+#      freshly computed sha256 / row_count / size_bytes for every fixture
+#      file (never copied from the source manifest, since paths and byte
+#      layout can differ subtly between a full corpus and a fixture).
+#
+# This is never a manual job: run it whenever cog_pipeline publishes a new
+# corpus vintage that the fixture should track.
+#
+# Usage (from the uscogdata package root):
+#   Rscript data-raw/regenerate_fixture_corpus.R
+#   Rscript data-raw/regenerate_fixture_corpus.R /path/to/publish_cache
+#
+# Or from R:
+#   source("data-raw/regenerate_fixture_corpus.R")
+#   regenerate_fixture_corpus(publish_cache_dir = "/path/to/publish_cache")
+
+regenerate_fixture_corpus <- function(
+    publish_cache_dir = file.path(
+      "..", "cog_pipeline", "_targets", "publish_cache"
+    ),
+    fixture_dir = file.path("inst", "extdata", "fixture_corpus"),
+    fixture_years = c(2019L, 2020L)) {
+  stopifnot(
+    requireNamespace("digest", quietly = TRUE),
+    requireNamespace("jsonlite", quietly = TRUE),
+    requireNamespace("duckdb", quietly = TRUE),
+    requireNamespace("DBI", quietly = TRUE)
+  )
+
+  publish_cache_dir <- normalizePath(publish_cache_dir, mustWork = TRUE)
+  if (!dir.exists(fixture_dir)) dir.create(fixture_dir, recursive = TRUE)
+
+  source_manifest <- jsonlite::fromJSON(
+    file.path(publish_cache_dir, "manifest.json"),
+    simplifyVector = TRUE
+  )
+
+  .copy_long_partitions(publish_cache_dir, fixture_dir, fixture_years)
+  .copy_metadata_parquets(publish_cache_dir, fixture_dir)
+  .copy_docs(publish_cache_dir, fixture_dir)
+
+  manifest <- .build_fixture_manifest(
+    fixture_dir, source_manifest, fixture_years
+  )
+  manifest_path <- file.path(fixture_dir, "manifest.json")
+  writeLines(
+    jsonlite::toJSON(manifest, auto_unbox = TRUE, pretty = TRUE, null = "null"),
+    manifest_path
+  )
+
+  size_bytes <- sum(file.info(
+    list.files(fixture_dir, recursive = TRUE, full.names = TRUE)
+  )$size)
+  message(sprintf(
+    "Fixture corpus regenerated at %s (%.2f MB total).",
+    fixture_dir, size_bytes / 1024^2
+  ))
+  invisible(manifest)
+}
+
+# Copy each requested year's partition directory (just the parquet file
+# inside it) from the publish tree into the fixture, as-is.
+#' @noRd
+.copy_long_partitions <- function(publish_cache_dir, fixture_dir, years) {
+  for (yr in years) {
+    part_rel <- file.path("data", "long", sprintf("year=%d", yr), "part-0.parquet")
+    src <- file.path(publish_cache_dir, part_rel)
+    dst <- file.path(fixture_dir, part_rel)
+    if (!file.exists(src)) {
+      stop(sprintf("Source partition missing: %s", src))
+    }
+    dir.create(dirname(dst), recursive = TRUE, showWarnings = FALSE)
+    ok <- file.copy(src, dst, overwrite = TRUE)
+    if (!ok) stop(sprintf("Failed to copy %s -> %s", src, dst))
+  }
+  invisible(NULL)
+}
+
+# Copy the full (not year-scoped) canonical_fips_xwalk, canonical_alias, and
+# summary_categories parquet tables.
+#' @noRd
+.copy_metadata_parquets <- function(publish_cache_dir, fixture_dir) {
+  files <- c(
+    "canonical_fips_xwalk.parquet",
+    "canonical_alias.parquet",
+    "summary_categories.parquet"
+  )
+  for (f in files) {
+    src <- file.path(publish_cache_dir, "data", f)
+    dst <- file.path(fixture_dir, "data", f)
+    if (!file.exists(src)) {
+      stop(sprintf("Source metadata file missing: %s", src))
+    }
+    dir.create(dirname(dst), recursive = TRUE, showWarnings = FALSE)
+    ok <- file.copy(src, dst, overwrite = TRUE)
+    if (!ok) stop(sprintf("Failed to copy %s -> %s", src, dst))
+  }
+  invisible(NULL)
+}
+
+# Resync the four reference docs shipped alongside the fixture.
+#' @noRd
+.copy_docs <- function(publish_cache_dir, fixture_dir) {
+  docs <- c(
+    "data_dictionary.md", "reader-specification.md",
+    "README.md", "series_breaks.md"
+  )
+  dst_dir <- file.path(fixture_dir, "docs")
+  dir.create(dst_dir, recursive = TRUE, showWarnings = FALSE)
+  for (f in docs) {
+    src <- file.path(publish_cache_dir, "docs", f)
+    if (!file.exists(src)) {
+      stop(sprintf("Source doc missing: %s", src))
+    }
+    ok <- file.copy(src, file.path(dst_dir, f), overwrite = TRUE)
+    if (!ok) stop(sprintf("Failed to copy doc %s", f))
+  }
+  invisible(NULL)
+}
+
+# Count rows in a parquet file via an ephemeral DuckDB connection.
+#' @noRd
+.parquet_row_count <- function(path) {
+  con <- DBI::dbConnect(duckdb::duckdb())
+  on.exit(DBI::dbDisconnect(con, shutdown = TRUE), add = TRUE)
+  DBI::dbGetQuery(con, sprintf(
+    "SELECT COUNT(*) AS n FROM read_parquet(%s)",
+    .sql_quote(path)
+  ))$n
+}
+
+#' @noRd
+.sql_quote <- function(x) paste0("'", gsub("'", "''", x), "'")
+
+# Hand-build manifest.json following the shape of the previous fixture
+# manifest: schema_version / built_at / pipeline_commit / fixture_note /
+# data_vintage / scope / schema / files.long_partitions / files.metadata /
+# series_breaks_ref / reader_spec_ref. Every sha256 / row_count / size_bytes
+# is freshly computed against the files actually written into fixture_dir.
+#' @noRd
+.build_fixture_manifest <- function(fixture_dir, source_manifest, years) {
+  long_partitions <- lapply(years, function(yr) {
+    rel <- file.path("data", "long", sprintf("year=%d", yr), "part-0.parquet")
+    path <- file.path(fixture_dir, rel)
+    list(
+      year       = as.integer(yr),
+      path       = gsub("\\\\", "/", rel),
+      sha256     = digest::digest(path, algo = "sha256", file = TRUE),
+      row_count  = as.integer(.parquet_row_count(path)),
+      size_bytes = as.integer(file.info(path)$size)
+    )
+  })
+
+  metadata_files <- c(
+    "canonical_alias.parquet",
+    "canonical_fips_xwalk.parquet",
+    "summary_categories.parquet"
+  )
+  metadata <- lapply(metadata_files, function(f) {
+    rel <- file.path("data", f)
+    path <- file.path(fixture_dir, rel)
+    list(
+      path        = gsub("\\\\", "/", rel),
+      sha256      = digest::digest(path, algo = "sha256", file = TRUE),
+      description = f
+    )
+  })
+
+  list(
+    schema_version = as.integer(source_manifest$schema_version),
+    built_at       = format(Sys.time(), "%Y-%m-%dT%H:%M:%SZ", tz = "UTC"),
+    pipeline_commit = source_manifest$pipeline_commit,
+    fixture_note = paste(
+      "Two-year (2019-2020) fixture for uscogdata tests. Full corpus",
+      "available via USCOGDATA_URL. Regenerated for Phase P",
+      "(schema_version 4, uniformly 12-char canonical_govid) with the full",
+      "canonical_fips_xwalk master and the new canonical_alias lookup",
+      "table via data-raw/regenerate_fixture_corpus.R."
+    ),
+    data_vintage    = source_manifest$data_vintage,
+    scope           = source_manifest$scope,
+    schema          = source_manifest$schema,
+    files = list(
+      long_partitions = long_partitions,
+      metadata        = metadata
+    ),
+    series_breaks_ref = source_manifest$series_breaks_ref,
+    reader_spec_ref   = source_manifest$reader_spec_ref
+  )
+}
+
+if (identical(environment(), globalenv()) && sys.nframe() == 0L) {
+  args <- commandArgs(trailingOnly = TRUE)
+  if (length(args) >= 1L) {
+    regenerate_fixture_corpus(publish_cache_dir = args[[1]])
+  } else {
+    regenerate_fixture_corpus()
+  }
+}
diff --git a/inst/extdata/fixture_corpus/data/canonical_alias.parquet b/inst/extdata/fixture_corpus/data/canonical_alias.parquet
new file mode 100644
index 0000000..6115b7f
Binary files /dev/null and b/inst/extdata/fixture_corpus/data/canonical_alias.parquet differ
diff --git a/inst/extdata/fixture_corpus/data/canonical_fips_xwalk.parquet b/inst/extdata/fixture_corpus/data/canonical_fips_xwalk.parquet
index f7b8868..fe2aed1 100644
Binary files a/inst/extdata/fixture_corpus/data/canonical_fips_xwalk.parquet and b/inst/extdata/fixture_corpus/data/canonical_fips_xwalk.parquet differ
diff --git a/inst/extdata/fixture_corpus/data/long/year=2019/part-0.parquet b/inst/extdata/fixture_corpus/data/long/year=2019/part-0.parquet
index 5e10a35..127794c 100644
Binary files a/inst/extdata/fixture_corpus/data/long/year=2019/part-0.parquet and b/inst/extdata/fixture_corpus/data/long/year=2019/part-0.parquet differ
diff --git a/inst/extdata/fixture_corpus/data/long/year=2020/part-0.parquet b/inst/extdata/fixture_corpus/data/long/year=2020/part-0.parquet
index f0f8075..4129531 100644
Binary files a/inst/extdata/fixture_corpus/data/long/year=2020/part-0.parquet and b/inst/extdata/fixture_corpus/data/long/year=2020/part-0.parquet differ
diff --git a/inst/extdata/fixture_corpus/data/summary_categories.parquet b/inst/extdata/fixture_corpus/data/summary_categories.parquet
index 8003ca4..b58d39d 100644
Binary files a/inst/extdata/fixture_corpus/data/summary_categories.parquet and b/inst/extdata/fixture_corpus/data/summary_categories.parquet differ
diff --git a/inst/extdata/fixture_corpus/manifest.json b/inst/extdata/fixture_corpus/manifest.json
index 600d1b0..9b87d9b 100644
--- a/inst/extdata/fixture_corpus/manifest.json
+++ b/inst/extdata/fixture_corpus/manifest.json
@@ -1,54 +1,21 @@
 {
-  "schema_version": 3,
-  "built_at": "2026-04-29T18:57:18Z",
-  "pipeline_commit": "bd3e744",
-  "fixture_note": "Two-year (2019-2020) fixture for uscogdata tests. Full corpus available via USCOGDATA_URL. Regenerated with Layer 1 (canonical_govid resolver gate) + Layer 2 (PID-era extended xwalk).",
+  "schema_version": 4,
+  "built_at": "2026-07-11T13:24:01Z",
+  "pipeline_commit": "1a00925",
+  "fixture_note": "Two-year (2019-2020) fixture for uscogdata tests. Full corpus available via USCOGDATA_URL. Regenerated for Phase P (schema_version 4, uniformly 12-char canonical_govid) with the full canonical_fips_xwalk master and the new canonical_alias lookup table via data-raw/regenerate_fixture_corpus.R.",
   "data_vintage": {
     "census_source_downloaded": "unknown",
     "cpi_vintage": "FRED CPIAUCSL",
     "acs_vintage": "ACS 2018-2022 5-year"
   },
   "scope": {
-    "gov_types_included": [
-      0,
-      1,
-      2,
-      3
-    ],
-    "gov_types_excluded": [
-      4,
-      5
-    ],
+    "gov_types_included": [0, 1, 2, 3],
+    "gov_types_excluded": [4, 5],
     "scope_note": "v0.1 covers state, county, city/municipality, and township governments. Special districts (type 4) and school districts (type 5) are excluded pending validation in a future cycle."
   },
   "schema": {
     "long_column_count": 24,
-    "long_columns": [
-      "fips_state",
-      "type",
-      "fips_county",
-      "govid",
-      "gov_blank",
-      "gov_name",
-      "county_name",
-      "fips_state_code",
-      "fips_county_code",
-      "fips_place_code",
-      "population",
-      "popyear",
-      "enrollment",
-      "enrollyear",
-      "function_code",
-      "sch_level_code",
-      "fiscal_year_end",
-      "srvy_year",
-      "item_code",
-      "amt",
-      "srv_data",
-      "impute_flag",
-      "is_aggregate",
-      "canonical_govid"
-    ],
+    "long_columns": ["fips_state", "type", "fips_county", "govid", "gov_blank", "gov_name", "county_name", "fips_state_code", "fips_county_code", "fips_place_code", "population", "popyear", "enrollment", "enrollyear", "function_code", "sch_level_code", "fiscal_year_end", "srvy_year", "item_code", "amt", "srv_data", "impute_flag", "is_aggregate", "canonical_govid"],
     "data_dictionary": "docs/data_dictionary.md"
   },
   "files": {
@@ -56,27 +23,32 @@
       {
         "year": 2019,
         "path": "data/long/year=2019/part-0.parquet",
-        "sha256": "d93affbbf9c46bd193fa5e07d89dfa9b08ad4f6fc2442fe7a27e6e4ef28f8bd9",
+        "sha256": "c0a2bf0758af129d5dfddb6ff6665cc435ddee87fd6879e788fb56ed53ab22b8",
         "row_count": 318139,
-        "size_bytes": 1425125
+        "size_bytes": 1441404
       },
       {
         "year": 2020,
         "path": "data/long/year=2020/part-0.parquet",
-        "sha256": "c9224833bd914cc85efb2ec62f83f75c34dfa469d4398f5cb1789fd028c03389",
+        "sha256": "92570b9d55ec3425d034db37838f91c3b8359d0454d3d98730a6016b62e4bb48",
         "row_count": 317500,
-        "size_bytes": 1428049
+        "size_bytes": 1444011
       }
     ],
     "metadata": [
+      {
+        "path": "data/canonical_alias.parquet",
+        "sha256": "db784d4ec9e5abb4b033405627d8bdd6f8d8ff96b3033a5b2587b4b59113ec9c",
+        "description": "canonical_alias.parquet"
+      },
       {
         "path": "data/canonical_fips_xwalk.parquet",
-        "sha256": "4bbdf0415b0ae1a24927869bb9e8e75eca5d7bcceebdf8c26346c7cbf8472d34",
+        "sha256": "c0b1295e779b601f2782de40ab143556324e74d30d214fc10997c2244c109389",
         "description": "canonical_fips_xwalk.parquet"
       },
       {
         "path": "data/summary_categories.parquet",
-        "sha256": "60045e22bc2723318fa2cb73f8e5038250dc54d24b3447c6750dfe29035335b8",
+        "sha256": "dd59e7f58a022679ad43511c8c8e938b8dd4be81196bbeeee21e67bdcca2295b",
         "description": "summary_categories.parquet"
       }
     ]
diff --git a/tests/testthat/test-explain.R b/tests/testthat/test-explain.R
index 61b85b8..83f18ab 100644
--- a/tests/testthat/test-explain.R
+++ b/tests/testthat/test-explain.R
@@ -1,6 +1,6 @@
 test_that("cog_explain prints verb header and target", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2020L, "Corrections")
+  r <- cog_spending("121011212191", 2020L, "Corrections")
   # cli writes to stderr; capture both stdout and message streams.
   txt <- paste(c(
     capture.output(cog_explain(r)),
@@ -8,19 +8,19 @@ test_that("cog_explain prints verb header and target", {
   ), collapse = "\n")
   expect_true(grepl("cog_spending", txt))
   expect_true(grepl("Corrections", txt))
-  expect_true(grepl("101006006", txt))
+  expect_true(grepl("121011212191", txt))
 })
 
 test_that("cog_explain format='list' returns structured provenance", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2020L, "Corrections")
+  r <- cog_spending("121011212191", 2020L, "Corrections")
   prov <- cog_explain(r, format = "list")
   expect_identical(prov, attr(r, "provenance"))
 })
 
 test_that("cog_explain returns result invisibly for chaining", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2020L, "Corrections")
+  r <- cog_spending("121011212191", 2020L, "Corrections")
   res <- withVisible(cog_explain(r))
   expect_false(res$visible)
   expect_identical(res$value, r)
@@ -34,7 +34,7 @@ test_that("cog_explain errors on non-verb input", {
 test_that("cog_explain prints denominator + popyear_range + counts", {
   skip_if_no_corpus()
   with_fixture_corpus({
-    r <- cog_spending("101006006", years = 2019:2020,
+    r <- cog_spending("121011212191", years = 2019:2020,
                       category = "Police", per_capita = TRUE)
     out <- paste(c(
       capture.output(cog_explain(r)),
diff --git a/tests/testthat/test-mirror.R b/tests/testthat/test-mirror.R
index 6e812cb..2e6bac4 100644
--- a/tests/testthat/test-mirror.R
+++ b/tests/testthat/test-mirror.R
@@ -61,7 +61,7 @@ test_that("cog_mirror reads back via a fresh session against the mirror", {
   cog_close()
   options(uscogdata.url = paste0(normalizePath(tmp), "/"))
 
-  r <- cog_spending("101006006", 2020L, "Corrections")
+  r <- cog_spending("121011212191", 2020L, "Corrections")
   expect_gt(nrow(r), 0L)
-  expect_equal(unique(r$canonical_govid), "101006006")
+  expect_equal(unique(r$canonical_govid), "121011212191")
 })
diff --git a/tests/testthat/test-peers.R b/tests/testthat/test-peers.R
index 7dc05e6..2044dc6 100644
--- a/tests/testthat/test-peers.R
+++ b/tests/testthat/test-peers.R
@@ -1,25 +1,25 @@
 test_that("cog_find_peers returns same-type peers in the default pop band", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006")                # Broward County
+  peers <- cog_find_peers("121011212191")                # Broward County
   expect_s3_class(peers, "tbl_df")
   expected_cols <- c("canonical_govid", "gov_name", "fips_state",
                      "population", "pop_ratio", "rank")
   expect_true(all(expected_cols %in% names(peers)))
   expect_true(all(peers$pop_ratio >= 0.7 & peers$pop_ratio <= 1.3))
-  expect_false("101006006" %in% peers$canonical_govid)
+  expect_false("121011212191" %in% peers$canonical_govid)
   expect_equal(peers$rank, seq_len(nrow(peers)))
 })
 
 test_that("cog_find_peers respects same_state restriction", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006", same_state = TRUE,
+  peers <- cog_find_peers("121011212191", same_state = TRUE,
                           pop_range = c(0.1, 10))
   expect_true(all(peers$fips_state == "12"))
 })
 
 test_that("cog_find_peers absolute pop range works", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006",
+  peers <- cog_find_peers("121011212191",
                           pop_range = c(1.5e6, 2.5e6),
                           is_ratio = FALSE, max_peers = 20L)
   expect_true(all(peers$population >= 1.5e6 &
@@ -33,8 +33,8 @@ test_that("cog_find_peers errors cleanly on unknown govid", {
 
 test_that("cog_peer_compare accepts a cog_find_peers result directly", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006", max_peers = 4L)
-  r <- cog_peer_compare("101006006", peers, "Police", years = 2020L)
+  peers <- cog_find_peers("121011212191", max_peers = 4L)
+  r <- cog_peer_compare("121011212191", peers, "Police", years = 2020L)
   expect_s3_class(r, "tbl_df")
   expect_true("role" %in% names(r))
   expect_setequal(
@@ -47,8 +47,8 @@ test_that("cog_peer_compare accepts a cog_find_peers result directly", {
 test_that("cog_peer_compare accepts a character vector of govids", {
   skip_if_no_corpus()
   r <- cog_peer_compare(
-    "101006006",
-    peers = c("441015015", "441220220"),     # Bexar, Tarrant
+    "121011212191",
+    peers = c("481029175853", "481439135072"),     # Bexar, Tarrant
     category = "Police", years = 2020L
   )
   expect_true("peer" %in% r$role)
@@ -58,8 +58,8 @@ test_that("cog_peer_compare accepts a character vector of govids", {
 test_that("cog_peer_compare summary rows use real per-capita when requested", {
   skip_if_no_corpus()
   r <- cog_peer_compare(
-    "101006006",
-    peers = c("441015015", "441220220", "231082082"),
+    "121011212191",
+    peers = c("481029175853", "481439135072", "261163166615"),
     category = "Police", years = 2019:2020,
     per_capita = TRUE, adjust_to_year = 2022L
   )
@@ -72,8 +72,8 @@ test_that("cog_peer_compare summary rows use real per-capita when requested", {
 
 test_that("cog_peer_compare provenance reports the outer verb + peer count", {
   skip_if_no_corpus()
-  r <- cog_peer_compare("101006006",
-                        peers = c("441015015", "441220220"),
+  r <- cog_peer_compare("121011212191",
+                        peers = c("481029175853", "481439135072"),
                         category = "Police", years = 2020L)
   prov <- attr(r, "provenance")
   expect_equal(prov$verb, "cog_peer_compare")
@@ -82,7 +82,7 @@ test_that("cog_peer_compare provenance reports the outer verb + peer count", {
 
 test_that("cog_peer_compare handles zero peers gracefully", {
   skip_if_no_corpus()
-  r <- cog_peer_compare("101006006",
+  r <- cog_peer_compare("121011212191",
                         peers = character(0),
                         category = "Police", years = 2020L)
   expect_true(all(r$role == "target"))
@@ -91,7 +91,7 @@ test_that("cog_peer_compare handles zero peers gracefully", {
 
 test_that("cog_find_peers defaults `year` to most recent observed year for target", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006")
+  peers <- cog_find_peers("121011212191")
   expect_equal(attr(peers, "cohort_year"), 2020L)
   # Returned column is now `population`, not `population_acs`
   expect_true("population" %in% names(peers))
@@ -100,23 +100,23 @@ test_that("cog_find_peers defaults `year` to most recent observed year for targe
 
 test_that("cog_find_peers honors an explicit `year`", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006", year = 2019L)
+  peers <- cog_find_peers("121011212191", year = 2019L)
   expect_equal(attr(peers, "cohort_year"), 2019L)
 })
 
 test_that("cog_find_peers errors when target has no observed pop in `year`", {
   skip_if_no_corpus()
   expect_error(
-    cog_find_peers("101006006", year = 1999L),
+    cog_find_peers("121011212191", year = 1999L),
     "no observed population"
   )
 })
 
 test_that("cog_peer_compare stamps cohort_year from peers attribute", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006", year = 2019L, max_peers = 4L,
+  peers <- cog_find_peers("121011212191", year = 2019L, max_peers = 4L,
                           pop_range = c(0.5, 1.5))
-  r <- cog_peer_compare("101006006", peers, "Police", years = 2020L)
+  r <- cog_peer_compare("121011212191", peers, "Police", years = 2020L)
   expect_true("cohort_year" %in% names(r))
   expect_true(all(r$cohort_year == 2019L))
   prov <- attr(r, "provenance")
@@ -130,8 +130,8 @@ test_that("cog_peer_compare stamps cohort_year from peers attribute", {
 test_that("cog_peer_compare cohort_year is NA for bare character peers", {
   skip_if_no_corpus()
   r <- cog_peer_compare(
-    "101006006",
-    peers = c("441015015", "441220220"),
+    "121011212191",
+    peers = c("481029175853", "481439135072"),
     category = "Police", years = 2020L
   )
   expect_true(all(is.na(r$cohort_year)))
diff --git a/tests/testthat/test-revenue.R b/tests/testthat/test-revenue.R
index 7c28290..a979996 100644
--- a/tests/testthat/test-revenue.R
+++ b/tests/testthat/test-revenue.R
@@ -1,24 +1,24 @@
 test_that("cog_revenue returns expected shape for Broward Property Tax 2020", {
   skip_if_no_corpus()
-  r <- cog_revenue("101006006", years = 2020L, category = "Property Tax")
+  r <- cog_revenue("121011212191", years = 2020L, category = "Property Tax")
   expect_s3_class(r, "tbl_df")
   expected_cols <- c("year", "canonical_govid", "gov_name", "revenue_subtype",
                      "category", "amt_nominal", "codes_included",
                      "aggregate_fallback", "notes")
   expect_true(all(expected_cols %in% names(r)))
-  expect_equal(unique(r$canonical_govid), "101006006")
+  expect_equal(unique(r$canonical_govid), "121011212191")
   expect_equal(unique(r$year), 2020L)
 })
 
 test_that("cog_revenue with no category filter returns multiple categories", {
   skip_if_no_corpus()
-  r <- cog_revenue("101006006", years = 2020L)
+  r <- cog_revenue("121011212191", years = 2020L)
   expect_gt(length(unique(r$category)), 1L)
 })
 
 test_that("cog_revenue with per_capita + adjust_to_year adds all columns", {
   skip_if_no_corpus()
-  r <- cog_revenue("101006006", 2020L,
+  r <- cog_revenue("121011212191", 2020L,
                    per_capita = TRUE, adjust_to_year = 2022L)
   expect_true(all(c("amt_nominal", "amt_real",
                     "amt_per_capita_nominal", "amt_per_capita_real") %in%
@@ -27,7 +27,7 @@ test_that("cog_revenue with per_capita + adjust_to_year adds all columns", {
 
 test_that("cog_revenue result has provenance attribute", {
   skip_if_no_corpus()
-  r <- cog_revenue("101006006", 2020L)
+  r <- cog_revenue("121011212191", 2020L)
   prov <- attr(r, "provenance")
   expect_equal(prov$verb, "cog_revenue")
   expect_true(grepl("revenue_annotated", prov$sql_query))
diff --git a/tests/testthat/test-rollup.R b/tests/testthat/test-rollup.R
index 424ae72..0caaec9 100644
--- a/tests/testthat/test-rollup.R
+++ b/tests/testthat/test-rollup.R
@@ -2,9 +2,9 @@ test_that("cog_geographic_rollup aggregates state + county + city layers", {
   skip_if_no_corpus()
   r <- cog_geographic_rollup(
     govids = list(
-      state  = "100000000",               # Florida state govt
-      county = "101006006",               # Broward County
-      city   = "102006004"                # Fort Lauderdale City
+      state  = "120000226351",               # Florida state govt
+      county = "121011212191",               # Broward County
+      city   = "122011161585"                # Fort Lauderdale City
     ),
     category = "Police",
     years = 2019:2020
@@ -23,7 +23,7 @@ test_that("cog_geographic_rollup aggregates state + county + city layers", {
 test_that("cog_geographic_rollup respects per_capita + adjust_to_year", {
   skip_if_no_corpus()
   r <- cog_geographic_rollup(
-    govids = list(county = "101006006", city = "102006004"),
+    govids = list(county = "121011212191", city = "122011161585"),
     category = "Police",
     years = 2020L,
     per_capita = TRUE,
@@ -43,8 +43,8 @@ test_that("cog_geographic_rollup respects per_capita + adjust_to_year", {
 test_that("cog_geographic_rollup scope_notes describe each layer", {
   skip_if_no_corpus()
   r <- cog_geographic_rollup(
-    govids = list(state = "100000000", county = "101006006",
-                  city = "102006004"),
+    govids = list(state = "120000226351", county = "121011212191",
+                  city = "122011161585"),
     category = "Police", years = 2020L
   )
   state_notes <- unique(r$scope_note[r$layer == "state"])
@@ -58,7 +58,7 @@ test_that("cog_geographic_rollup scope_notes describe each layer", {
 test_that("cog_geographic_rollup single-layer call works", {
   skip_if_no_corpus()
   r <- cog_geographic_rollup(
-    govids = list(county = c("101006006")),
+    govids = list(county = c("121011212191")),
     category = "Corrections",
     years = 2020L
   )
@@ -69,7 +69,7 @@ test_that("cog_geographic_rollup single-layer call works", {
 test_that("cog_geographic_rollup provenance reports the outer verb", {
   skip_if_no_corpus()
   r <- cog_geographic_rollup(
-    govids = list(state = "100000000", county = "101006006"),
+    govids = list(state = "120000226351", county = "121011212191"),
     category = "Police", years = 2020L
   )
   prov <- attr(r, "provenance")
@@ -80,7 +80,7 @@ test_that("cog_geographic_rollup provenance reports the outer verb", {
 
 test_that("cog_geographic_rollup accepts data.frames per layer", {
   skip_if_no_corpus()
-  fl_state  <- cog_gov_search("^FLORIDA STATE GOVT$", type = "state")
+  fl_state  <- cog_gov_search("^FLORIDA$", type = "state")
   broward   <- cog_gov_search("^BROWARD COUNTY$", state = "FL", type = "county")
   r <- cog_geographic_rollup(
     govids = list(state = fl_state, county = broward),
@@ -92,9 +92,9 @@ test_that("cog_geographic_rollup accepts data.frames per layer", {
 
 test_that("cog_geographic_rollup rejects invalid inputs", {
   expect_error(cog_geographic_rollup(list(), "Police", 2020L), "length")
-  expect_error(cog_geographic_rollup(c("101006006"), "Police", 2020L), "list")
+  expect_error(cog_geographic_rollup(c("121011212191"), "Police", 2020L), "list")
   expect_error(
-    cog_geographic_rollup(list(planet = "100000000"), "Police", 2020L),
+    cog_geographic_rollup(list(planet = "120000226351"), "Police", 2020L),
     "state|county|city"
   )
 })
@@ -103,8 +103,8 @@ test_that("cog_geographic_rollup per-capita uses summed per-year populations", {
   skip_if_no_corpus()
   with_fixture_corpus({
     r <- cog_geographic_rollup(
-      govids   = list(state  = "010000000",
-                      county = "101006006"),
+      govids   = list(state  = "010000226085",
+                      county = "121011212191"),
       category = "Police",
       years    = 2019:2020,
       per_capita = TRUE
@@ -125,14 +125,14 @@ test_that("cog_geographic_rollup records included/excluded govids in provenance"
   skip_if_no_corpus()
   with_fixture_corpus({
     r <- cog_geographic_rollup(
-      govids   = list(county = "101006006"),
+      govids   = list(county = "121011212191"),
       category = "Police",
       years    = 2019:2020,
       per_capita = TRUE
     )
     prov <- attr(r, "provenance")
     expect_true("rollup" %in% names(prov))
-    expect_true("101006006" %in% prov$rollup$included_govids)
+    expect_true("121011212191" %in% prov$rollup$included_govids)
     expect_true(is.character(prov$rollup$excluded_govids))
   })
 })
diff --git a/tests/testthat/test-search.R b/tests/testthat/test-search.R
index 07bdb7e..adb4959 100644
--- a/tests/testthat/test-search.R
+++ b/tests/testthat/test-search.R
@@ -146,7 +146,7 @@ test_that(".resolve_basket_row exact match returns one row", {
   expect_equal(out$match_method, "exact")
   expect_equal(out$n_candidates, 1L)
   expect_equal(nrow(out$row), 1L)
-  expect_equal(out$row$canonical_govid, "101006006")
+  expect_equal(out$row$canonical_govid, "121011212191")
   expect_equal(out$row$gov_name, "BROWARD COUNTY")
 })
 
@@ -157,7 +157,7 @@ test_that(".resolve_basket_row exact match is case-insensitive", {
   )
   expect_equal(out$status, "resolved")
   expect_equal(out$match_method, "exact")
-  expect_equal(out$row$canonical_govid, "101006006")
+  expect_equal(out$row$canonical_govid, "121011212191")
 })
 
 test_that(".resolve_basket_row exact match honors per-row type", {
@@ -166,7 +166,7 @@ test_that(".resolve_basket_row exact match honors per-row type", {
     name = "SAN DIEGO CITY", state = "CA", type = "city", con = con
   )
   expect_equal(out$status, "resolved")
-  expect_equal(out$row$canonical_govid, "052037010")
+  expect_equal(out$row$canonical_govid, "062073207598")
 })
 
 test_that(".resolve_basket_row substring fallback resolves single match", {
@@ -177,7 +177,7 @@ test_that(".resolve_basket_row substring fallback resolves single match", {
   expect_equal(out$status, "resolved")
   expect_equal(out$match_method, "substring")
   expect_equal(out$n_candidates, 1L)
-  expect_equal(out$row$canonical_govid, "101006006")
+  expect_equal(out$row$canonical_govid, "121011212191")
 })
 
 test_that(".resolve_basket_row no_match returns 0-row tibble", {
@@ -207,15 +207,19 @@ test_that(".resolve_basket_row treats empty/whitespace name as no_match", {
 
 test_that(".resolve_basket_row largest_pop within single type", {
   # FL Miami substring matches 10 cities (all govs_type = 2), largest pop
-  # is MIAMI CITY at 443665.
+  # is MIAMI CITY at 443665. Under Phase P canonical naming, MIAMI-DADE
+  # COUNTY (govs_type = 1) also contains "Miami", so `type = "city"` pins
+  # the match set to a single type (as the query docs promise it will for
+  # per-row `type`), keeping this test's original intent: multiple
+  # same-type name matches resolve to the largest-population row.
   con <- uscogdata:::.ensure_session()
   out <- uscogdata:::.resolve_basket_row(
-    name = "Miami", state = "FL", type = NA_character_, con = con
+    name = "Miami", state = "FL", type = "city", con = con
   )
   expect_equal(out$status, "largest_pop")
   expect_equal(out$match_method, "substring")
   expect_gte(out$n_candidates, 2L)
-  expect_equal(out$row$canonical_govid, "102013013")
+  expect_equal(out$row$canonical_govid, "122086194757")
   expect_equal(out$row$gov_name, "MIAMI CITY")
 })
 
@@ -241,7 +245,7 @@ test_that(".resolve_basket_row resolves with type override on ambiguous case", {
   )
   expect_equal(out$status, "resolved")
   expect_equal(out$match_method, "substring")
-  expect_equal(out$row$canonical_govid, "052037010")
+  expect_equal(out$row$canonical_govid, "062073207598")
 })
 
 # ---- basket mode public surface ----
@@ -254,7 +258,7 @@ test_that("cog_gov_search basket mode resolves clean inputs in input order", {
   )
   expect_s3_class(basket, "tbl_df")
   expect_equal(nrow(basket), 3L)
-  expect_equal(basket$canonical_govid, c("101006006", "052037010", "442227001"))
+  expect_equal(basket$canonical_govid, c("121011212191", "062073207598", "482453176394"))
   expect_equal(basket$gov_name, c("BROWARD COUNTY", "SAN DIEGO CITY", "AUSTIN CITY"))
 })
 
@@ -284,7 +288,7 @@ test_that("cog_gov_search basket mode skips ambiguous and no_match rows", {
   ))
   # Broward resolves; San Diego ambiguous; Notarealplace no_match.
   expect_equal(nrow(basket), 1L)
-  expect_equal(basket$canonical_govid, "101006006")
+  expect_equal(basket$canonical_govid, "121011212191")
   res <- attr(basket, "resolution")
   expect_equal(nrow(res), 3L)
   expect_equal(res$status, c("resolved", "ambiguous", "no_match"))
@@ -306,20 +310,24 @@ test_that("cog_gov_search basket mode recycles single state", {
     state = "CA"
   )
   expect_equal(nrow(basket), 2L)
-  expect_equal(basket$canonical_govid, c("052037010", "052001009"))
+  expect_equal(basket$canonical_govid, c("062073207598", "062001123093"))
 })
 
 test_that("cog_gov_search basket mode within-type largest_pop records candidates", {
   skip_if_no_corpus()
+  # `type = "city"` for the Miami row pins the match set to govs_type = 2;
+  # under Phase P canonical naming MIAMI-DADE COUNTY also contains "Miami"
+  # and would otherwise make this an ambiguous (cross-type) match.
   basket <- suppressMessages(cog_gov_search(
     name  = c("Miami",  "OAKLAND CITY"),
-    state = c("FL",     "CA")
+    state = c("FL",     "CA"),
+    type  = c("city",   NA)
   ))
   expect_equal(nrow(basket), 2L)
   res <- attr(basket, "resolution")
   miami_row <- res[res$query_name == "Miami", ]
   expect_equal(miami_row$status, "largest_pop")
-  expect_equal(miami_row$canonical_govid, "102013013")
+  expect_equal(miami_row$canonical_govid, "122086194757")
   expect_gte(miami_row$n_candidates, 2L)
   expect_gte(nrow(miami_row$candidates[[1]]), 2L)
 })
@@ -396,7 +404,7 @@ test_that("cog_gov_search basket mode skips per-row excluded type without aborti
   ))
   # Broward should resolve; the special_district row should be no_match.
   expect_equal(nrow(basket), 1L)
-  expect_equal(basket$canonical_govid, "101006006")
+  expect_equal(basket$canonical_govid, "121011212191")
   res <- attr(basket, "resolution")
   expect_equal(res$status, c("resolved", "no_match"))
   # query_type should record what the user passed for the excluded-type row
diff --git a/tests/testthat/test-spending.R b/tests/testthat/test-spending.R
index 6f69faf..c767e6b 100644
--- a/tests/testthat/test-spending.R
+++ b/tests/testthat/test-spending.R
@@ -1,12 +1,12 @@
 test_that("cog_spending returns expected shape for Broward Corrections 2020", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", years = 2020L, category = "Corrections")
+  r <- cog_spending("121011212191", years = 2020L, category = "Corrections")
   expect_s3_class(r, "tbl_df")
   expected_cols <- c("year", "canonical_govid", "gov_name", "spend_subtype",
                      "category", "amt_nominal", "codes_included",
                      "aggregate_fallback", "notes")
   expect_true(all(expected_cols %in% names(r)))
-  expect_equal(unique(r$canonical_govid), "101006006")
+  expect_equal(unique(r$canonical_govid), "121011212191")
   expect_equal(unique(r$year), 2020L)
   expect_equal(unique(r$category), "Corrections")
   expect_true(all(r$spend_subtype %in% c("operations", "capital")))
@@ -15,7 +15,7 @@ test_that("cog_spending returns expected shape for Broward Corrections 2020", {
 
 test_that("cog_spending vectorised years + categories", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2019:2020,
+  r <- cog_spending("121011212191", 2019:2020,
                     category = c("Corrections", "Police"))
   expect_true(all(r$year %in% 2019:2020))
   expect_true(all(r$category %in% c("Corrections", "Police")))
@@ -24,7 +24,7 @@ test_that("cog_spending vectorised years + categories", {
 
 test_that("cog_spending with per_capita adds per-capita nominal column", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2020L, "Corrections", per_capita = TRUE)
+  r <- cog_spending("121011212191", 2020L, "Corrections", per_capita = TRUE)
   expect_true("amt_per_capita_nominal" %in% names(r))
   expect_false("amt_real" %in% names(r))
   expect_false("amt_per_capita_real" %in% names(r))
@@ -34,7 +34,7 @@ test_that("cog_spending with per_capita adds per-capita nominal column", {
 
 test_that("cog_spending with adjust_to_year adds real column", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2019:2020, "Corrections",
+  r <- cog_spending("121011212191", 2019:2020, "Corrections",
                     adjust_to_year = 2022L)
   expect_true("amt_real" %in% names(r))
   r2019 <- dplyr::filter(r, year == 2019L)
@@ -43,7 +43,7 @@ test_that("cog_spending with adjust_to_year adds real column", {
 
 test_that("cog_spending with per_capita + adjust_to_year adds all columns", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2020L, "Corrections",
+  r <- cog_spending("121011212191", 2020L, "Corrections",
                     per_capita = TRUE, adjust_to_year = 2022L)
   expect_true(all(c("amt_nominal", "amt_real",
                     "amt_per_capita_nominal", "amt_per_capita_real") %in%
@@ -68,16 +68,16 @@ test_that("cog_spending for unknown govid returns empty tibble + informs", {
 test_that("cog_spending records found + missing govids in provenance", {
   skip_if_no_corpus()
   suppressMessages(
-    r <- cog_spending(c("101006006", "XXXINVALID"), 2020L, "Corrections")
+    r <- cog_spending(c("121011212191", "XXXINVALID"), 2020L, "Corrections")
   )
   prov <- attr(r, "provenance")
-  expect_equal(sort(prov$scope$govids_found), "101006006")
+  expect_equal(sort(prov$scope$govids_found), "121011212191")
   expect_equal(sort(prov$scope$govids_missing), "XXXINVALID")
 })
 
 test_that("cog_spending result has provenance attribute matching schema", {
   skip_if_no_corpus()
-  r <- cog_spending("101006006", 2020L, "Corrections")
+  r <- cog_spending("121011212191", 2020L, "Corrections")
   prov <- attr(r, "provenance")
   expect_type(prov, "list")
   expect_equal(prov$verb, "cog_spending")
@@ -93,7 +93,7 @@ test_that("cog_spending result has provenance attribute matching schema", {
 
 test_that("cog_spending rejects invalid inputs", {
   expect_error(cog_spending(list(), 2020L), "character|data frame")
-  expect_error(cog_spending("101006006", "2020"), "years")
+  expect_error(cog_spending("121011212191", "2020"), "years")
 })
 
 test_that("cog_spending accepts a cog_gov_search result directly", {
@@ -101,12 +101,12 @@ test_that("cog_spending accepts a cog_gov_search result directly", {
   picks <- cog_gov_search("^BROWARD COUNTY$", state = "FL", type = "county")
   expect_gt(nrow(picks), 0L)
   r <- cog_spending(picks, 2020L, "Corrections")
-  expect_equal(unique(r$canonical_govid), "101006006")
+  expect_equal(unique(r$canonical_govid), "121011212191")
 })
 
 test_that("cog_spending accepts a cog_find_peers result directly", {
   skip_if_no_corpus()
-  peers <- cog_find_peers("101006006", max_peers = 3L)
+  peers <- cog_find_peers("121011212191", max_peers = 3L)
   r <- cog_spending(peers, 2020L, "Police")
   expect_setequal(unique(r$canonical_govid),
                   sort(peers$canonical_govid))
@@ -132,7 +132,7 @@ test_that("cog_spending accepts a basket-mode cog_gov_search result", {
 test_that("per_capita denominator is the per-year F-33 population", {
   skip_if_no_corpus()
   with_fixture_corpus({
-    r <- cog_spending("101006006", years = 2019:2020,
+    r <- cog_spending("121011212191", years = 2019:2020,
                       category = "Police", per_capita = TRUE)
     r_ops <- r[r$spend_subtype == "operations", ]
     # Implied denominator from amt_nominal / amt_per_capita_nominal
@@ -140,9 +140,10 @@ test_that("per_capita denominator is the per-year F-33 population", {
     names(implied_pop) <- r_ops$year
     # Use absolute tolerance: within 1 person of per-year F-33 values.
     # Hardcoded values are Broward County's per-year Census F-33 population
-    # from the bundled fixture (regenerated 2026-04-29 against cog_pipeline
-    # aad34c6 + bd3e744). 1,940,907 is the static ACS 2018-2022 5-year value
-    # the legacy implementation would use; we assert it is NOT what we get.
+    # from the bundled fixture (regenerated 2026-07-11 against cog_pipeline
+    # publish tree, pipeline_commit 1a00925, Phase P schema_version 4).
+    # 1,940,907 is the static ACS 2018-2022 5-year value the legacy
+    # implementation would use; we assert it is NOT what we get.
     expect_true(abs(implied_pop[["2019"]] - 1935878) < 1)
     expect_true(abs(implied_pop[["2020"]] - 1952778) < 1)
     expect_false(all(abs(implied_pop - 1940907) < 1))
@@ -152,7 +153,7 @@ test_that("per_capita denominator is the per-year F-33 population", {
 test_that("pop_source = 'census_f33' does not produce unavailable-pop note", {
   skip_if_no_corpus()
   with_fixture_corpus({
-    r <- cog_spending("101006006", years = 2019L,
+    r <- cog_spending("121011212191", years = 2019L,
                       category = "Police", per_capita = TRUE)
     expect_true(all(r$pop_source == "census_f33"))
     expect_true(all(is.na(r$notes) | r$notes == "" |
@@ -177,7 +178,7 @@ test_that("aggregate fallback + unavailable pop produce concatenated notes", {
 test_that("provenance records per-year denominator metadata", {
   skip_if_no_corpus()
   with_fixture_corpus({
-    r <- cog_spending("101006006", years = 2019:2020,
+    r <- cog_spending("121011212191", years = 2019:2020,
                       category = "Police", per_capita = TRUE)
     pc <- attr(r, "provenance")$transformations$per_capita
     expect_true(pc$applied)
diff --git a/tests/testthat/test-views.R b/tests/testthat/test-views.R
index 0d5b526..2d1255a 100644
--- a/tests/testthat/test-views.R
+++ b/tests/testthat/test-views.R
@@ -66,15 +66,16 @@ test_that("gov_population_yearly exposes one row per (year, canonical_govid)", {
       con,
       "SELECT year, canonical_govid, population, popyear
        FROM gov_population_yearly
-       WHERE canonical_govid = '101006006'
+       WHERE canonical_govid = '121011212191'
        ORDER BY year"
     )
     expect_setequal(df$year, c(2019L, 2020L))
     expect_equal(nrow(df), 2L)
     expect_true(all(!is.na(df$population)))
-    # Hardcoded values are from the bundled fixture (regenerated 2026-04-29
-    # against cog_pipeline aad34c6 + bd3e744). Update if the fixture is
-    # rebuilt against a different source vintage.
+    # Hardcoded values are from the bundled fixture (regenerated 2026-07-11
+    # against cog_pipeline publish tree, pipeline_commit 1a00925, Phase P
+    # schema_version 4). Update if the fixture is rebuilt against a
+    # different source vintage.
     expect_equal(df$population[df$year == 2019L], 1935878L)
     expect_equal(df$population[df$year == 2020L], 1952778L)
     # Uniqueness on (year, canonical_govid) across the whole view.
diff --git a/vignettes/population-denominators.Rmd b/vignettes/population-denominators.Rmd
index fae9596..0c65873 100644
--- a/vignettes/population-denominators.Rmd
+++ b/vignettes/population-denominators.Rmd
@@ -48,8 +48,8 @@ Census sometimes uses a population estimate from one year prior to the fiscal ye
 ```r
 years <- 2010:2023
 out <- purrr::map_dfr(years, function(y) {
-  peers <- cog_find_peers("231082082", year = y, max_peers = 10L)
-  cog_peer_compare("231082082", peers,
+  peers <- cog_find_peers("261163166615", year = y, max_peers = 10L)
+  cog_peer_compare("261163166615", peers,
                    category = "Police", years = y,
                    per_capita = TRUE)
 })