Boukyou

Recording by 大山 曜.

Recording identifiers

ISRC
JPR502201036
CopyrightID (CopyrightChains transaction hash)
0x449ffb8d28130644bbd875066c9187107987edc0bcc9437960b5e17066369c5d
Copyright registration time
2026-06-26T21:00:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:454ce395d7d7fc0504d7f997339a54ae0f13752b4cfc708aa8e0d09d3382dda3

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.