GPAI Ledger › Claude Sonnet 5 (Anthropic) › Capture 31 Aug 2026
Claude Sonnet 5 — capture 20260831T103707Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation page — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/38dfbd8da731954fe4eef2364736805a3eef99be/public/evals/claude-sonnet-5/index.html |
| Fetched (UTC) | 2026-08-31T10:37:07Z |
| Upstream commit | 3 Aug 2026 — 38dfbd8da731 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 19,425 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 | 76afd31bbb5ed8749004a6d4814a273da987ecebd8244bce74e39d4ca5050837 |
| OpenTimestamps proof | 76afd31bbb5ed8749004a6d4814a273da987ecebd8244bce74e39d4ca5050837.html.20260831T103707Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | 156be39e60c95c2bf659b00877377a50d6ee8ff9e9cd47ba509242dd4a03902a (captured 2026-08-31T10:32:24Z) |
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 | 19,425 bytes |
|---|---|
| Canonical text SHA-256 | 4a267435c7df7988815d8acff26164931e99a0bea5c177e908751c19d96c4774 |
| Extracted text length | 679 words |