Countermeasure

Recording by 成田旬.

Recording identifiers

ISRC
JPPC02311893
CopyrightID (CopyrightChains transaction hash)
0x41cd0485a2015d3edb9afd05d3b73efafc742dc21fec70abc3de0af70709d709
Copyright registration time
2026-07-06T22:39:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f23d9139f8d9825dcb3d4883a9e74c566afcef317354ae49dc5c4e767d510c56

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.