Requiem, Op. 9: In paradisum

Recording by Maurice Duruflé.

Recording identifiers

ISRC
SEAEM0506090
CopyrightID (CopyrightChains transaction hash)
0xdc190043116c42ba705cc1f7c34968b311754c0f654df2f1417bb3e5c26e144a
Copyright registration time
2026-07-30T20:41:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:00:46Z
Bitcoin block
960314
Canonical record hash
sha256:1105a47bbd37c825b85841232fb42fa7a4347572631aa990abf21843a737e8bb

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.