Song of Cherubim

Recording by Krzysztof Penderecki.

Recording identifiers

ISRC
SEBAC9305170
CopyrightID (CopyrightChains transaction hash)
0xd32dc46f28dde4573655c5fda334bed908cc86c20d0fed23125b0680d995625a
Copyright registration time
2026-01-28T22:54:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:eb9b5f5a56805102116a71a69cd77c009b0737792facbfbf31f4049ac706d254

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.