GPAI Ledger The public record of EU AI Act training-data summaries

GPAI Ledger › GPT-5.5 (OpenAI) › Capture 16 Sep 2026

GPT-5.5 — capture 20260916T075504Z

ProviderOpenAI
TargetAIAL evaluation page — https://aial.ie/research/gpai-training-transparency/evals/openai-gpt-5-5/
Fetched (UTC)2026-09-16T07:55:04Z
Stored file25,907 bytes — not served (third-party research, archived but not republished here); the hash and timestamp proof below still establish what was published when
SHA-25608d5f5a7e254c0e1efa9bb525101f10c801b1f9cf333234a8dff6d92a5ff1dfe
OpenTimestamps proof08d5f5a7e254c0e1efa9bb525101f10c801b1f9cf333234a8dff6d92a5ff1dfe.html.20260916T075504Z.ots (calendar-attested; anchored in bitcoin over time; identical bytes were first archived on 31 Aug 2026 — that version carries the earliest attestation)
Waybacknot 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 size25,907 bytes
Canonical text SHA-2561473dcf74515b7f5546b9e280648d092b0e081e23776927318adedf6d2986a9b
Extracted text length1,420 words