Requiem in memoriam Josquin Desprez: II. Kyrie

Recording identifiers

ISRC

FRZ140020020

Release date of the album this recording appears on

2002-03-15

CopyrightID (CopyrightChains transaction hash)

0xc34404f65c2dbda1498a0484ee1e16cf85ef8e402ad22731fec2c21371ea2a27

Copyright registration time

2026-06-24T21:10:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:db2b07698ba2a82fae7071c7678a36c34052a0c1a4b61cd180651eb24910c749

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC FRZ140020020

What this proof establishes

This recording was released in 2002, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.