声の足跡

Recording by Hinatazaka46.

Recording identifiers

ISRC
JPU902101028
CopyrightID (CopyrightChains transaction hash)
0xc54e326aae52a6c164c75c3320c5233598521b992fc242e03867e2ff0e03de09
Copyright registration time
2026-06-07T11:21:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:64bf8060b997bad6567e25fe3fc37f38c9a76ae0c75fe1be3f2de7a13a77ae1f

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.