Requiem: III. Psalmus

Recording by Pierre de la Rue.

Recording identifiers

ISRC
FRZ148815080
CopyrightID (CopyrightChains transaction hash)
0xd9839e4b7542837d12b4f204d5614b59f9a9468244906373da8db136a33b9c5b
Copyright registration time
2026-07-07T19:46:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:b315362658e0bd5027206ebae9aeb8cf6056d91e5aa35ba336aeedf10adfe926

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.