Requiem: Sanctus (II)

Recording by Maurice Duruflé.

Recording identifiers

ISRC
GBF077411623
CopyrightID (CopyrightChains transaction hash)
0x92d28938c97e04369c12cb513ababb9890e22791a3f886bf5048248fa9dba413
Copyright registration time
2026-07-31T04:06:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:b644c8479d97c804cba84087c46dee93451332f0d31a183ab09e7dd41bc43e77

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.