Requiem, Op. 9: Kyrie

Recording by Maurice Duruflé.

Recording identifiers

ISRC
SEAEM0506020
CopyrightID (CopyrightChains transaction hash)
0xb5862cb5f1fa7e843272a6c73111708b373f24a99b1155e241b866303bb926b2
Copyright registration time
2026-07-07T02:54:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b4bc2b9ab0f9226562e5883b08104be3a9187e0680ff6e9fb3be8f60920624d0

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.