キミイロカラー (feat. 初音ミク)

Recording identifiers

ISRC

JPV752307375

CopyrightID (CopyrightChains transaction hash)

0x73cacb1be4c19549b5e7720e1fda570c722937cc46f18a5000f2e1c1a9dea31e

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:26:26Z

Bitcoin block

960327

Canonical record hash

sha256:f058115c7b12b234ad617745efdfcb6bc36a9a0dc10c87cc14e76b02a839bdbd

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.