UNBROKEN

Recording by Takanori Nishikawa.

Recording identifiers

ISRC
JPU901804327
CopyrightID (CopyrightChains transaction hash)
0xc2b031530a470c6f6ddbead3bc1ea6570c0159a1be01aa1a631260c2d95943fe
Copyright registration time
2026-06-08T18:30:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:227d52c1c5d203be2ee6cb983ed6d55bd2f724297df9e92a21f8c0ed7adfe874

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.