パスポート

Recording by Yu Sakai.

Recording identifiers

ISRC
JPBV01220503
CopyrightID (CopyrightChains transaction hash)
0xaeb90865869cf7fdcea03b2ec58e42e28e87a4563b0e1fa88d1bdbdca1f4d976
Copyright registration time
2026-07-07T03:00:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:98c0fd388e81dd8ebf1df6c4abddbde60811295cce479818f1f82141db301fb7

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.