めだかの学校

Recording by 山岡ゆうこ.

Recording identifiers

ISRC
JPKI01719626
CopyrightID (CopyrightChains transaction hash)
0x432449bddf670b53ce78170f57ecaf0d1a6b2784446a327de3ee801dc584fb20
Copyright registration time
2026-07-29T15:45:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:3a3345381fd56a2f9b4d2b383c81a0662be54d97b938d55babf6df234c07b4cc

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.