Utakata

Recording by Anan Ryoko.

Recording identifiers

ISRC
JPD731000141
CopyrightID (CopyrightChains transaction hash)
0xbd38ac23ce83e4da5eac1e9619548b7d4ae638c0dd42ef537bfcd3850c191baf
Copyright registration time
2026-06-18T03:39:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:37853b048503ff6408d0e1760006994a107f0f84cedf8369d952ab6caba8ed5a

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.