Song of Cherubim

Recording by Krzysztof Penderecki.

Recording identifiers

ISRC
HKI191121502
CopyrightID (CopyrightChains transaction hash)
0xa8d78e8b008ac3f0f69e7f4536b9e968663fcc796226d9e76dd22148f698d1fa
Copyright registration time
2026-07-07T16:33:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ddf8fa91217de34b35c6649998ad54be8515e8355e60668a5121e38950d22a93

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.