Unchained

Recording by Van Halen.

Recording identifiers

ISRC
USY252163055
CopyrightID (CopyrightChains transaction hash)
0x05bd5f2f0e365c99226ea3f9cc78cd0da452df5f72afdc8cabaaa2d318b1794d
Copyright registration time
2026-06-22T18:17:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:27376e06b66667265ebb7a6d768611b7b32359692067523940a9f9365c28e3b7

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.