Answer

Recording by 川崎鷹也.

Recording identifiers

ISRC
JPWP02100321
CopyrightID (CopyrightChains transaction hash)
0x4f4f01755ec931a3ac5bba078ce7791c9ba98a63c5e97eab1c0660603a8d4d47
Copyright registration time
2026-06-04T13:42:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a878db12d7c3be62af7c0a3e4f324766644bcc5125c15d233cbc569ba57e32ae

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.