Missa brevis: I. Kyrie

Recording by Krzysztof Penderecki.

Recording identifiers

ISRC
FINDE2300141
CopyrightID (CopyrightChains transaction hash)
0x2b229d6987d25731b1dc56915802be58e1125e490d9cbc3e9231d42e0d8462f3
Copyright registration time
2026-07-07T07:37:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:478aa21cd595e98d3e06f2a9f4965a5c15ff22056f623b94020f0a76e4b4b79a

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.