More Than One Heart

Recording by 川村ゆみ.

Recording identifiers

ISRC
JPK651669011
CopyrightID (CopyrightChains transaction hash)
0x4c7201ce75ffbab180cd79dbe9e6887657bf9d9d0a5164ac5b1318677cc3cabc
Copyright registration time
2026-06-20T23:36:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5a4cac4e31814d33423f997068df6c6f5ce9a35f51493183957d83f5c13041df

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.