Requiem, Op. 9: VIII. Libera me

Recording by Maurice Duruflé.

Recording identifiers

ISRC
USHM10848008
CopyrightID (CopyrightChains transaction hash)
0xbebe52416292d0de34cfae2fbd7507a6dd9de153034768f4398a95839778ef09
Copyright registration time
2026-07-07T00:20:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:66de9498cfe11860be6cd022697f3535437c30bd198a0f2e3d59e37dc6f56ca7

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.