おもちゃのマーチ

Recording by タンポポ児童合唱団.

Recording identifiers

ISRC
JPKI08692341
CopyrightID (CopyrightChains transaction hash)
0xc2da7de6f5089bbcbc618562712ca3db5515cce4f8337423fc2ebe53cc751a26
Copyright registration time
2026-06-26T20:32:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:8c97e859401cccf75b3d240b6a63e0af18c09fb30dd75d081322ed0eb05a131c

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.