よさこい鳴子踊り

Recording by Yu Sakai.

Recording identifiers

ISRC
JPPO02303865
CopyrightID (CopyrightChains transaction hash)
0x6ee53da0bb26f72658ea2c1a4222447718e06978897f9f06ce962958f5ea0014
Copyright registration time
2026-07-30T07:25:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:48:45Z
Bitcoin block
960222
Canonical record hash
sha256:523845e8cf9dc01899073e1844d3c83e976bf41528a75e7ef60dc16ba174c9e5

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.