やまびこごっこ

Recording by 山岡ゆうこ.

Recording identifiers

ISRC
JPKI01810128
CopyrightID (CopyrightChains transaction hash)
0x6e37fd7bb9070034c1d4c181d6aaae38c47548d1d6c6d1e14652b3beb4ec39f5
Copyright registration time
2026-07-31T23:25:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:51:35Z
Bitcoin block
960481
Canonical record hash
sha256:2264bfcc87b94e02f6859066682b43ea0b9683fc7d31bab2ff6fc37760b8a964

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.