たなばた

Recording by 酒井 格.

Recording identifiers

ISRC
JPCO01202120
CopyrightID (CopyrightChains transaction hash)
0xf0cd83985d3e3db9c12396fec64ee64479033595d154f3605164674556919913
Copyright registration time
2026-06-21T04:04:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:96f1453b945ba4a75e3e618830f4391c86bba3b848c104077630f26ff0fb2398

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.