こうき心

Recording by Takuro Yoshida.

Recording identifiers

ISRC
JPFL07011100
CopyrightID (CopyrightChains transaction hash)
0xa21e63565700ac576ae15a9d911da82764bb8c900a1546845012ed942c9b3938
Copyright registration time
2026-07-06T09:47:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:771ca826ed96ecc445ba77fe217b5053157945e637585a499d1d3c067056b831

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.