diff --git a/NOTES.md b/NOTES.md
index 4c0e107..c4461c5 100644
--- a/NOTES.md
+++ b/NOTES.md
@@ -1,7 +1,7 @@
 # CI API availability observations
 
 See the [CI API compatibility matrix](docs/ci-api-compatibility.md) for the
-per-API tables covering thirteen VM, ISO and modern x64/ARM64 samples, with exact
+per-API tables covering 20 VM, ISO and modern x64/ARM64 samples, with exact
 versions, file hashes and machine-readable results. The six-sample notes below
 describe the original VM corpus and its subsequent ISO follow-up.
 
@@ -40,6 +40,9 @@ in x64 `10.0.19041.1865` and `10.0.22000.318`, and the original investigation
 finds it present in `10.0.26100.8328`. This brackets Windows 10 servicing
 observations without identifying the first update adding the export. The
 CodeIntegrity-RE `iso-corpus-index.json` records the exact files and hashes.
+The Windows 10 ARM64 21H2 sample additionally exports it in CI
+`10.0.19041.1566`; this does not establish x64 availability at that revision.
+The matrix keeps architecture-specific observations separate.
 A header declaration,
 import-library symbol, or `NTDDI_VERSION >= NTDDI_WIN10` alone does not make an
 unconditional static import loadable on the older samples. Callers supporting
@@ -47,6 +50,10 @@ those samples must avoid that import or use optional resolution with an
 explicit unavailable/fallback path. `CiSetTrustedOriginClaimId` likewise cannot
 be assumed available on every Windows 10 build; it is a CI-global setter.
 
+The original modern x64 sample has display `FileVersion` **26100.8328**, but
+its numeric fixed version is **26100.9444**. The matrix records both under the
+same SHA-256 identity and uses numeric fixed versions in its tables.
+
 ## Exact sampled files
 
 - Windows 10 1507: `10.0.10240.16463` x64, SHA-256
diff --git a/README.md b/README.md
index 1639f41..5d0f829 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Built for and tested on **Windows 10 version 1507 (or newer) x64/ARM64**. 32-Bit
   - I do not want to force any consumer of the library to drag C++ paradigms into their project. I do expect the user to utilize a modern compiler though, so the library sources themselves may have some 'C++-ish touches' here and there, for my own convenience 😉
 - Compatibility with every Windows 10 version.
   - APIs not available on older builds will give you a `STATUS_NOT_IMPLEMENTED` instead of hard-linking and therefore making your driver fail to load 🤞
-    - CI entry points are currently static imports from `ci.lib`; consumers must avoid imports unavailable on their target Windows builds. The [CI API compatibility matrix](docs/ci-api-compatibility.md) records all ten named exports across thirteen exact Windows 10/11 x64 and ARM64 CI files. Export lookup uses the correct name-ordinal mapping and rejects forwarders. Runtime ABI verification remains separate; see the remaining-work ledger below.
+    - CI entry points are currently static imports from `ci.lib`; consumers must avoid imports unavailable on their target Windows builds. The [CI API compatibility matrix](docs/ci-api-compatibility.md) records all ten named exports across 20 exact Windows 10/11 x64 and ARM64 CI files. Export lookup uses the correct name-ordinal mapping and rejects forwarders. Runtime ABI verification remains separate; see the remaining-work ledger below.
 - No conflicts with WDF or DMF
   - The consuming driver *may* (but doesn't have to) utilize Microsoft WDF or DMF in addition without having to fear any incompatibilities 💪
 - Reliable SAL annotations.
diff --git a/docs/ci-api-compatibility.json b/docs/ci-api-compatibility.json
index aeccb4a..86c39e7 100644
--- a/docs/ci-api-compatibility.json
+++ b/docs/ci-api-compatibility.json
@@ -1,10 +1,11 @@
 {
-  "schema_version": 1,
+  "schema_version": 2,
   "scope": "Observed named PE exports in exact architecture-specific ci.dll samples; not runtime or ABI certification",
+  "source_hash_encoding": "Canonical JSON: UTF-8, sorted keys, comma/colon separators, ensure_ascii=false",
   "generated_from": {
-    "corpus-index.json": "c324dddaa4b88e66eb119e2ce26023face3763fb68d496d6285b836a60d267f8",
-    "iso-corpus-index.json": "97da9e94d30854f6480429becfff34efe5b5f978a772e0113b54b9f655d8c325",
-    "manifest.json": "7712d6e88b81ac155bd1371ada61df2848e943a12abe709b7b2050ce4b91c6e5",
+    "corpus-index.json": "d2c6507794314ca38a2015c74f3b66e81a4bd82d982be0ed1911dcff1d79475a",
+    "iso-corpus-index.json": "ba526a8548f3be100e8d13019aed57de9703a142615c509870720572bc636217",
+    "manifest.json": "bd215ebd3deb480a39b5d71a6ed709dad20368cbe90879a52070b56b023284d4",
     "ci-26100.8328-evidence.json": "ea0f939df9d8b7abde40e3402c01b2ac398253728f329e8c2b7134de8df6305f"
   },
   "apis": [
@@ -203,6 +204,161 @@
         "CiVerifyHashInCatalog": true
       }
     },
+    {
+      "label": "Windows 10 1809 initial x64 ISO",
+      "ci_file_version": "10.0.17763.1",
+      "architecture": "x64",
+      "sha256": "eb177481f2aea3cae0c2f97f7058e7447c0695e4489428406598f168d4dcc5e8",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": false,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      }
+    },
+    {
+      "label": "Windows 10 1809 October v2 x64 ISO",
+      "ci_file_version": "10.0.17763.348",
+      "architecture": "x64",
+      "sha256": "da8282173cbce7ea38f8fca64db0972c3d9614ddbca98f6b96d11a4cadde92ad",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": false,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      }
+    },
+    {
+      "label": "Windows 10 1903 v1 x64 ISO",
+      "ci_file_version": "10.0.18362.1",
+      "architecture": "x64",
+      "sha256": "5d01bb84fa516e23c25def8ea03fc6b696082ccc67a61575fd00d1fe7c273d72",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": false,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      }
+    },
+    {
+      "label": "Windows 10 1903 v2 x64 ISO",
+      "ci_file_version": "10.0.18362.329",
+      "architecture": "x64",
+      "sha256": "d12131f14f781f8c314a795384e02afc3c2902bf67da9c2e75d8163c891bdd89",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": false,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      }
+    },
+    {
+      "label": "Windows 10 1909 x64 ISO",
+      "ci_file_version": "10.0.18362.418",
+      "architecture": "x64",
+      "sha256": "c3c5d32da42fa69b0795cd0f8c57252670d673fb036685db5c7d6392ffee0293",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": false,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      }
+    },
     {
       "label": "Windows 10 2004 ISO",
       "ci_file_version": "10.0.19041.1",
@@ -332,7 +488,7 @@
     },
     {
       "label": "Windows 11 24H2 sample",
-      "ci_file_version": "10.0.26100.8328",
+      "ci_file_version": "10.0.26100.9444",
       "architecture": "x64",
       "sha256": "c7d23814f3202c51fb23e3ca3d4328855787383cee5d14c4a986a13ec2aeda0b",
       "source": "ci-26100.8328-evidence.json",
@@ -349,6 +505,71 @@
         "CiVerifyHashInCatalog"
       ],
       "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": true,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      },
+      "display_file_version": "10.0.26100.8328"
+    },
+    {
+      "label": "Windows 10 21H2 ARM64 ISO (archive Raspberry Pi folder)",
+      "ci_file_version": "10.0.19041.1566",
+      "architecture": "ARM64",
+      "sha256": "a35f651261691cc67acc9c8bfd00bba7a64dd9f16d2c4b6fe1d183e34aeead78",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetCertPublisherName",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
+      "api_presence": {
+        "CiCheckSignedFile": true,
+        "CiFindPageHashesInCatalog": true,
+        "CiFindPageHashesInSignedFile": true,
+        "CiFreePolicyInfo": true,
+        "CiGetCertPublisherName": true,
+        "CiGetPEInformation": true,
+        "CiInitialize": true,
+        "CiSetTrustedOriginClaimId": true,
+        "CiValidateFileObject": true,
+        "CiVerifyHashInCatalog": true
+      }
+    },
+    {
+      "label": "Windows 10 22H2.7 ARM64 ISO",
+      "ci_file_version": "10.0.19041.2965",
+      "architecture": "ARM64",
+      "sha256": "33f2d1256f60392bbb84c4251d6435461dfa852a100e065376f83dc8a4dd2ec6",
+      "source": "iso-corpus-index.json",
+      "named_exports": [
+        "CiCheckSignedFile",
+        "CiFindPageHashesInCatalog",
+        "CiFindPageHashesInSignedFile",
+        "CiFreePolicyInfo",
+        "CiGetCertPublisherName",
+        "CiGetPEInformation",
+        "CiInitialize",
+        "CiSetTrustedOriginClaimId",
+        "CiValidateFileObject",
+        "CiVerifyHashInCatalog"
+      ],
+      "ordinal_only_export_count": 3,
       "api_presence": {
         "CiCheckSignedFile": true,
         "CiFindPageHashesInCatalog": true,
diff --git a/docs/ci-api-compatibility.md b/docs/ci-api-compatibility.md
index 6db37d9..ad5ae16 100644
--- a/docs/ci-api-compatibility.md
+++ b/docs/ci-api-compatibility.md
@@ -1,6 +1,6 @@
 # CI API compatibility matrix
 
-This matrix records **named export presence in 13 exact `ci.dll` files**,
+This matrix records **named export presence in 20 exact `ci.dll` files**,
 with architecture stated separately for each sample.
 **Yes** means the complete PE export directory contains the name; **No** means
 it does not. Neither result is inferred from a header, import library or PDB.
@@ -11,7 +11,14 @@ In particular, the Windows 10 22H2 consumer ISO contains CI **19041.1865**.
 Do not extrapolate a cell to every servicing revision of that Windows release.
 
 [Machine-readable matrix](ci-api-compatibility.json) includes exact SHA-256 identities,
-all per-API results and hashes of the retained source inventories.
+all per-API results and canonical JSON hashes of the retained source inventories.
+Source hashes ignore whitespace and line-ending differences between checkouts;
+the binary SHA-256 identities always cover the exact original bytes.
+
+The tables use numeric `VS_FIXEDFILEINFO` versions. The original modern x64
+sample has **fixed version 26100.9444** but its string `FileVersion` reports
+**26100.8328**. Original research/header labels retain that string version;
+they identify the same SHA-256 file, not two different CI samples.
 
 ## Windows 10 1507–1803 x64 samples
 
@@ -28,20 +35,50 @@ all per-API results and hashes of the retained source inventories.
 | `CiValidateFileObject` | Yes | Yes | Yes | Yes | Yes | Yes |
 | `CiVerifyHashInCatalog` | Yes | Yes | Yes | Yes | Yes | Yes |
 
-## Later Windows 10 and Windows 11 x64 samples
+## Later Windows 10 x64 samples
 
-| API | 19041.1 | 19041.1865 | 22000.318 | 22621.2792 | 26100.8328 |
-| --- | --- | --- | --- | --- | --- |
-| `CiCheckSignedFile` | Yes | Yes | Yes | Yes | Yes |
-| `CiFindPageHashesInCatalog` | Yes | Yes | Yes | Yes | Yes |
-| `CiFindPageHashesInSignedFile` | Yes | Yes | Yes | Yes | Yes |
-| `CiFreePolicyInfo` | Yes | Yes | Yes | Yes | Yes |
-| `CiGetCertPublisherName` | No | Yes | Yes | Yes | Yes |
-| `CiGetPEInformation` | Yes | Yes | Yes | Yes | Yes |
-| `CiInitialize` | Yes | Yes | Yes | Yes | Yes |
-| `CiSetTrustedOriginClaimId` | Yes | Yes | Yes | Yes | Yes |
-| `CiValidateFileObject` | Yes | Yes | Yes | Yes | Yes |
-| `CiVerifyHashInCatalog` | Yes | Yes | Yes | Yes | Yes |
+| API | 17763.1 | 17763.348 | 18362.1 | 18362.329 | 18362.418 | 19041.1 | 19041.1865 |
+| --- | --- | --- | --- | --- | --- | --- | --- |
+| `CiCheckSignedFile` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiFindPageHashesInCatalog` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiFindPageHashesInSignedFile` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiFreePolicyInfo` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiGetCertPublisherName` | No | No | No | No | No | No | Yes |
+| `CiGetPEInformation` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiInitialize` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiSetTrustedOriginClaimId` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiValidateFileObject` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+| `CiVerifyHashInCatalog` | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
+
+## Windows 11 x64 samples
+
+| API | 22000.318 | 22621.2792 | 26100.9444 |
+| --- | --- | --- | --- |
+| `CiCheckSignedFile` | Yes | Yes | Yes |
+| `CiFindPageHashesInCatalog` | Yes | Yes | Yes |
+| `CiFindPageHashesInSignedFile` | Yes | Yes | Yes |
+| `CiFreePolicyInfo` | Yes | Yes | Yes |
+| `CiGetCertPublisherName` | Yes | Yes | Yes |
+| `CiGetPEInformation` | Yes | Yes | Yes |
+| `CiInitialize` | Yes | Yes | Yes |
+| `CiSetTrustedOriginClaimId` | Yes | Yes | Yes |
+| `CiValidateFileObject` | Yes | Yes | Yes |
+| `CiVerifyHashInCatalog` | Yes | Yes | Yes |
+
+## Windows 10 ARM64 samples
+
+| API | 19041.1566 | 19041.2965 |
+| --- | --- | --- |
+| `CiCheckSignedFile` | Yes | Yes |
+| `CiFindPageHashesInCatalog` | Yes | Yes |
+| `CiFindPageHashesInSignedFile` | Yes | Yes |
+| `CiFreePolicyInfo` | Yes | Yes |
+| `CiGetCertPublisherName` | Yes | Yes |
+| `CiGetPEInformation` | Yes | Yes |
+| `CiInitialize` | Yes | Yes |
+| `CiSetTrustedOriginClaimId` | Yes | Yes |
+| `CiValidateFileObject` | Yes | Yes |
+| `CiVerifyHashInCatalog` | Yes | Yes |
 
 ## Windows 11 ARM64 samples
 
@@ -72,6 +109,16 @@ all per-API results and hashes of the retained source inventories.
   `1db7ae5a08bd2361fc7fcdd373fb980e8d680035e67b02e5967095db0443effd`.
 - Windows 10 1803: **10.0.17134.1130 x64**, SHA-256
   `8ce3b8fe38c23b699f30b045383640019a429d3a9d513285c655bffe03a796d9`.
+- Windows 10 1809 initial x64 ISO: **10.0.17763.1 x64**, SHA-256
+  `eb177481f2aea3cae0c2f97f7058e7447c0695e4489428406598f168d4dcc5e8`.
+- Windows 10 1809 October v2 x64 ISO: **10.0.17763.348 x64**, SHA-256
+  `da8282173cbce7ea38f8fca64db0972c3d9614ddbca98f6b96d11a4cadde92ad`.
+- Windows 10 1903 v1 x64 ISO: **10.0.18362.1 x64**, SHA-256
+  `5d01bb84fa516e23c25def8ea03fc6b696082ccc67a61575fd00d1fe7c273d72`.
+- Windows 10 1903 v2 x64 ISO: **10.0.18362.329 x64**, SHA-256
+  `d12131f14f781f8c314a795384e02afc3c2902bf67da9c2e75d8163c891bdd89`.
+- Windows 10 1909 x64 ISO: **10.0.18362.418 x64**, SHA-256
+  `c3c5d32da42fa69b0795cd0f8c57252670d673fb036685db5c7d6392ffee0293`.
 - Windows 10 2004 ISO: **10.0.19041.1 x64**, SHA-256
   `2955710d34db26e352e62b20861ba338f0216cc36b378d128057be955e184282`.
 - Windows 10 22H2 consumer ISO: **10.0.19041.1865 x64**, SHA-256
@@ -80,8 +127,13 @@ all per-API results and hashes of the retained source inventories.
   `301ae49ac5b87cf1cbe07d9d3c6486a066d045b6bf55fc8eb392d52951ec69ff`.
 - Windows 11 23H2 English ISO: **10.0.22621.2792 x64**, SHA-256
   `9ed77b8a53946ced8c3540edb26a765060dff908544634e7b069aa49f2b41559`.
-- Windows 11 24H2 sample: **10.0.26100.8328 x64**, SHA-256
+- Windows 11 24H2 sample: **10.0.26100.9444 x64**, SHA-256
   `c7d23814f3202c51fb23e3ca3d4328855787383cee5d14c4a986a13ec2aeda0b`.
+  String FileVersion: **10.0.26100.8328** (original research label).
+- Windows 10 21H2 ARM64 ISO (archive Raspberry Pi folder): **10.0.19041.1566 ARM64**, SHA-256
+  `a35f651261691cc67acc9c8bfd00bba7a64dd9f16d2c4b6fe1d183e34aeead78`.
+- Windows 10 22H2.7 ARM64 ISO: **10.0.19041.2965 ARM64**, SHA-256
+  `33f2d1256f60392bbb84c4251d6435461dfa852a100e065376f83dc8a4dd2ec6`.
 - Windows 11 22H2.9 ARM64 ISO: **10.0.22621.1702 ARM64**, SHA-256
   `4164ac08fd19628c5ab6cbca6234265ac2bf7f39d5149f57d3845646d8a8ad60`.
 - Windows 11 24H2 ARM64 ISO: **10.0.26100.1591 ARM64**, SHA-256
@@ -92,9 +144,12 @@ all per-API results and hashes of the retained source inventories.
 - `CiValidateFileObject` is already exported in the sampled Windows 10 1507 file.
 - `CiSetTrustedOriginClaimId` is present in the sampled 1703 file and absent in
   the three earlier samples. This does not prove its first introduction build.
-- `CiGetCertPublisherName` is absent in 19041.1 and present in 19041.1865.
+- On sampled x64 files, `CiGetCertPublisherName` is absent in 19041.1
+  and present in 19041.1865.
   Its first Windows 10 servicing update remains unknown. It is also present
-  in the sampled 22000.318 and 26100.8328 files.
+  in the sampled 22000.318 and 26100.9444 fixed-version files.
+- The Windows 10 ARM64 21H2 sample already exports the publisher-name API
+  in CI 19041.1566. That does not establish x64 availability at that revision.
 - CI entry points currently use static imports from `ci.lib`. An unavailable
   import can prevent driver loading; this matrix does not add an automatic
   `STATUS_NOT_IMPLEMENTED` fallback. Supporting these older samples requires
@@ -106,8 +161,8 @@ all per-API results and hashes of the retained source inventories.
 
 ## Coverage gaps and evidence
 
-**Unknown / not sampled:** x86 export availability; Windows 10 ARM64;
-pre-Windows-10; Windows 10 1809/1903/1909; and other servicing revisions
+**Unknown / not sampled:** x86 export availability; pre-Windows-10;
+earlier Windows 10 ARM64 releases; and other servicing revisions
 or architecture/release combinations absent from these tables.
 These are gaps, not negative export results. No interval between
 two samples is certified. Runtime verification and cross-version ABI checks
diff --git a/docs/implementation-status.md b/docs/implementation-status.md
index 30e7420..7cc0d5c 100644
--- a/docs/implementation-status.md
+++ b/docs/implementation-status.md
@@ -59,8 +59,9 @@ and compilation do not close these:
    statuses, policies and fixture/environment identities (issue #3).
 2. Complete historical and ARM64 ABI/structure verification and runtime tests.
    The [published export matrix](ci-api-compatibility.md) now covers all ten
-   named APIs across thirteen exact Windows 10/11 x64 and ARM64 CI files.
-   Windows 11 ISO extraction adds 23H2 x64 and 22H2/24H2 ARM64 observations.
+   named APIs across 20 exact Windows 10/11 x64 and ARM64 CI files.
+   ISO coverage includes Windows 10 1809/1903 revisions, 1909, 21H2/22H2 ARM64,
+   and Windows 11 23H2 x64 plus 22H2/24H2 ARM64.
    The ARM64 observations establish export presence; their structure layouts
    and runtime behavior remain unverified. This closes the initial export-presence
    matrix; additional releases, servicing revisions and architectures remain
diff --git a/docs/mincrypt-contracts.md b/docs/mincrypt-contracts.md
index cfcaebb..e032656 100644
--- a/docs/mincrypt-contracts.md
+++ b/docs/mincrypt-contracts.md
@@ -15,10 +15,15 @@ records and readable `evidence/` files. The historical corpus below adds
 sampled x64 Windows 10 observations; ARM64 and unsampled-build compatibility
 remain open. Compile-target `NTDDI_VERSION` is not runtime layout negotiation.
 
+The original modern research and `Domito.MinCrypt.26100.h` use the string
+`FileVersion` label **26100.8328**. That same exact binary has numeric
+`VS_FIXEDFILEINFO` version **26100.9444**, which the export matrix uses. Its
+SHA-256 and recovered contracts are unchanged; these labels identify one file.
+
 ## Historical x64 corpus: availability and structure evolution
 
 The [CI API compatibility matrix](ci-api-compatibility.md) lists observed named
-exports for thirteen exact x64/ARM64 CI files, including the later ISO samples. Consult it
+exports for 20 exact x64/ARM64 CI files, including the later ISO samples. Consult it
 for import availability, and the contracts below for layout and ownership limits.
 
 [NOTES.md](../NOTES.md) lists the exact identities of six sampled Windows 10