GPAI Ledger › Claude Sonnet 5 (Anthropic) › Capture 29 Aug 2026
Claude Sonnet 5 — capture 20260829T184854Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation (earlier state) — https://raw.githubusercontent.com/AIAccountabilityLab/gpai-training-transparency/e358c0273a50a424019d5b1f4d36878280e445c3/evals/claude-sonnet-5.yaml |
| Fetched (UTC) | 2026-08-29T18:48:54Z |
| Upstream commit | 3 Aug 2026 — e358c0273a50 (when this state began to stand in the upstream repository; this archive fetched it at the time above, not then) |
| Stored file | 4,079 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 | 426fef68348f38cd4eb204afad304092e32f11c20eb8e2aa85d0a074d32599ea |
| OpenTimestamps proof | 426fef68348f38cd4eb204afad304092e32f11c20eb8e2aa85d0a074d32599ea.yaml.20260829T184854Z.ots (calendar-attested; anchored in bitcoin over time) |
| Wayback | not saved |
| Prior capture of this target | ea2d61b5d7ebf854ff2091e44b0cabbafe8aa45802bb341ecbd6e657e6d65161 (captured 2026-08-29T18:46:06Z) |
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 | 4,079 bytes |
|---|---|
| Canonical text SHA-256 | 1fc6cbaf1534009004f94e8a0fcb5885f28bd8b6311066b0394889a2c1fa28b9 |
| Extracted text length | 531 words |