BZ BZ - Intl. version

Recording by Rei.

Recording identifiers

ISRC
JPPO02100342
CopyrightID (CopyrightChains transaction hash)
0xc00b18208ecce9686e99b40c3821bd2cad6d237fd60ecf0e5c1e3361006dba21
Copyright registration time
2026-07-07T20:13:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4483f24b54ea770cb9345a0ac80f9fc4b020836bdf1986d27b88ac3a91fa0def

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.