備忘録

Recording identifiers

ISRC

JPU901901509

CopyrightID (CopyrightChains transaction hash)

0xc3b88b3fbc4ef2833ec6318b24f05af4e0eac2a9115c8798c97b4c1e3e71976f

Copyright registration time

2026-06-08T09:10:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T17:25:41Z

Bitcoin block

953536

Canonical record hash

sha256:c7a490d367d7de8964001b329e7da8d56a3d1df73e9748807cada87cffdbf85e

• 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.