ココロウツロ

Recording by Junichi Matsumoto.

Recording identifiers

ISRC
JPVI01813480
CopyrightID (CopyrightChains transaction hash)
0xb17b791df212f9d4a7e63605abd07112824170cbb222838668b597c3cc81a713
Copyright registration time
2026-06-20T19:19:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b882c148ae6d116710e2cea3b646457f16609945dfd154f2a3d7b6c65b157162

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.