がいな(二尺) with 踊正太郎

Recording by Mitsugu Oyama.

Recording identifiers

ISRC
JPS321301158
CopyrightID (CopyrightChains transaction hash)
0xe6f042767eac0ef3f23d90b331542981f3dab21c51f94190b338500e7663072e
Copyright registration time
2026-07-31T02:17:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:a9d83f30fa8e6e8cbde696ea83a5f20d70326af1376db902593f8913b104fdb8

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.