GPAI Ledger › Claude Sonnet 5 (Anthropic) › Capture 29 Aug 2026
Claude Sonnet 5 — capture 20260829T184325Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation (earlier state) — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/fb04f913855123fef5480e30e9d7ee55eb455a82/evals/claude-sonnet-5.yaml |
| Fetched (UTC) | 2026-08-29T18:43:25Z |
| Upstream commit | 3 Aug 2026 — fb04f9138551 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 3,903 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 | 422c7d0412c02953755327e79cea99140910a8a688970f5afcb361bf812e9e72 |
| OpenTimestamps proof | 422c7d0412c02953755327e79cea99140910a8a688970f5afcb361bf812e9e72.yaml.20260829T184325Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | — first capture of this target |
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 | 3,903 bytes |
|---|---|
| Canonical text SHA-256 | 1855e431b7f93fe47fbac1208ecea6ec10a539e1b552302c3481b9c9a9fe46fd |
| Extracted text length | 435 words |