Requiem, Op. 9: Sanctus

Recording by Maurice Duruflé.

Recording identifiers

ISRC
SEAEM0506040
CopyrightID (CopyrightChains transaction hash)
0xffa47b874cfa9820c8315c3ff7df8bae389242af5117a7e87124e7625292d156
Copyright registration time
2026-07-07T19:30:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0819b3d3aad1d35c9e940194103559077b29755c870a024d9ebc5d6508492a06

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.