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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f8f90e5e48486775104b7fa8e9dd24eb72f7f6cf21538785ae300d6433d10c95

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.