Requiem, Op. 9: IX. In paradisum

Recording by Maurice Duruflé.

Recording identifiers

ISRC
GBAJY2443609
CopyrightID (CopyrightChains transaction hash)
0x9547e65cb341f19fd53e0dbc729f69a796a31bddd204541b5970e696ecd55d1b
Copyright registration time
2026-06-21T22:14:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2de0e8ec1f7cb2fd5d25d72273dc5b51dd57001e14e755e836aeefad2bc2feb0

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.