Ave regina caelorum

Recording by Guillaume Dufay.

Recording identifiers

ISRC
GBASH2164421
CopyrightID (CopyrightChains transaction hash)
0xc2feceeb37ae73eeb719d8d04e98007b40a20f3f418fecc782fb5b93b83a458d
Copyright registration time
2026-07-07T09:59:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:16697dfe6aae9fdbb108ce6d91197fca2f5efc055555acd246fcd6837767a403

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.