Requiem, Op. 9: IV. Sanctus

Recording by Maurice Duruflé.

Recording identifiers

ISRC
GBAJY8619104
CopyrightID (CopyrightChains transaction hash)
0xdee9041e8391f029ddc99a355a503e6969c46c3c8e5159e96874dd6b405b401c
Copyright registration time
2026-07-31T19:38:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:7289834416401085b8ca5124ac8867ebe3d72e3879f26bcca6a9fdcd845b0230

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.