津軽じょんがら節 独奏

Recording by Yutaka Oyama.

Recording identifiers

ISRC
JPP521310007
CopyrightID (CopyrightChains transaction hash)
0xc19897e8cee64412423c3cf6dd7a2829f96d7a462fd9a79f2a4294db91e00b2a
Copyright registration time
2026-07-31T07:18:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:580436171e5cd3fb5c9fd9aada005d21520dab67fd54ed42989207d14453daab

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.