GPAI Ledger › Claude Opus 4.1 (Anthropic) › Capture 16 Sep 2026
Claude Opus 4.1 — capture 20260916T072623Z
| Provider | Anthropic |
|---|---|
| Target | AIAL evaluation page — https://aial.ie/research/gpai-training-transparency/evals/anthropic-claude-opus-4-1/ |
| Fetched (UTC) | 2026-09-16T07:26:23Z |
| Stored file | 11,787 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 | 879071227e202f2f96e407d1739f6697daf05a8d1e37f644e706af73ba1681c6 |
| OpenTimestamps proof | 879071227e202f2f96e407d1739f6697daf05a8d1e37f644e706af73ba1681c6.html.20260916T072623Z.ots (calendar-attested; anchored in bitcoin over time; identical bytes were first archived on 31 Aug 2026 — that version carries the earliest attestation) |
| 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 | 11,787 bytes |
|---|---|
| Canonical text SHA-256 | 1daf3df3c6498dcf5401f1836693fdeacda8f0a9f665e7950097e67ae035f235 |
| Extracted text length | 209 words |