Contrariety

Recording by 加藤達也.

Recording identifiers

ISRC
JPV431900077
CopyrightID (CopyrightChains transaction hash)
0x5e6b88a5b60377e955960a0ea2ee782a989e5fc0c27bbf5dbe823bd2ba4160ab
Copyright registration time
2026-06-07T07:00:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:144749c86f6b8361baa263fede4578cb9f373922da23ce4c9dafa01e73c6b276

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.