GPAI Ledger › Claude Sonnet 5 (Anthropic) › Capture 29 Aug 2026
Claude Sonnet 5 — capture 20260829T185509Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation (earlier state) — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/06ddb124fa2483d962c846bc0ea88b030295607a/evals/claude-sonnet-5.yaml |
| Fetched (UTC) | 2026-08-29T18:55:09Z |
| Upstream commit | 5 Aug 2026 — 06ddb124fa24 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 4,955 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when |
| SHA-256 | ac2b0acad8f89edb3c6be8ebc234b0daf662263d872295f77d5c403d2b0f83e8 |
| OpenTimestamps proof | ac2b0acad8f89edb3c6be8ebc234b0daf662263d872295f77d5c403d2b0f83e8.yaml.20260829T185509Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | e582fc0e388655b38176d0c62f78ad534f09563aaa7f915221fe9ed8de31c051 (captured 2026-08-29T18:52:13Z) |
Verify: obtain the file from the target address above, then sha256sum it — it must equal the hash above; the .ots proof dates that hash.
Structured facts
This is another organisation's own research, and this project does not redistribute it: the file itself is not served here; these facts still pin its identity and let any copy be authenticated against this record.
| Document size | 4,955 bytes |
|---|---|
| Canonical text SHA-256 | f58c3f18a7a627fecc2ad83b479bee9b23169c2e49af0c6db1bfc736252710a2 |
| Extracted text length | 644 words |