Poppoya

Recording by 坂本龍一.

Recording identifiers

ISRC
JPCO02436170
CopyrightID (CopyrightChains transaction hash)
0x81ef62db327e12b084dc76816c71f8e123f7d3c9345ff51dd380f62a24befe1b

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:dabe2e63bc843f9747ed0fa8df62138e697d600a53ea47de059de560ba2de69c

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.