BB×UT

Recording by Sawano Hiroyuki.

Recording identifiers

ISRC
JPTF02213010
CopyrightID (CopyrightChains transaction hash)
0x52f22ed0187bc023535dec1bb01bc7afebf9d412dc3176b26d86b08697245013
Copyright registration time
2026-06-11T04:42:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9635f72e36d3fdd74749439d00c7a23df286de92c688dd05a4a735fc48b8ebc4

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.