BB2

Recording by Sawano Hiroyuki.

Recording identifiers

ISRC
JPTF02213005
CopyrightID (CopyrightChains transaction hash)
0x22aef077d431ed1e44a5ab96729da4fb80774afe414f7527b167bbddd17ab687
Copyright registration time
2026-06-17T21:09:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:788c783fab334be132dd56eaf04590537a9d282315ba9fa2b24faea65579be93

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.