Zack

Recording by Marek Hemmann.

Recording identifiers

ISRC
DELJ81932845
CopyrightID (CopyrightChains transaction hash)
0x528c875c7a49aa1c42debcdc3151a2ad01f32c2630f185945555a1bcfef55b4d
Copyright registration time
2026-06-24T22:33:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:b36e2b2e8aa8d7ae9d33618a308ff0556a4da5be4289e45d9d6d75aa605cb0ec

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.