こうき心

Recording by Takuro Yoshida.

Recording identifiers

ISRC
JPTE00200530
CopyrightID (CopyrightChains transaction hash)
0xb2b2bb50a1f004c2e65da7401c00528deb4b80ad713cedb60fa3ac6508453e66
Copyright registration time
2026-07-06T21:22:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:9d60be052ee687a778d65ea686378ee0259aa9d5b68742e849e904d5ba04bc7f

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.