Requiem: Agnus Dei (II)

Recording by Maurice Duruflé.

Recording identifiers

ISRC
GBF077411625
CopyrightID (CopyrightChains transaction hash)
0x91673379cb6297d683892369260eefebc1db98b44937612ced57b9a8d8468d72

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:5d54c357392c6704b9025db04a883daaf18d4bc2a0bc03e94b438c05fe52a4fc

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.