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
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bd949714a9d54a0fd2149a9578dece1c4d73ad4559fa055e77e498607168fb3e

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.