知らない世界も見飽きた

Recording by Shunji Iwai.

Recording identifiers

ISRC
JPJ901816890
CopyrightID (CopyrightChains transaction hash)
0x815d47a537bc1b248691b803d468a24f1c63c432cc7c187dce7a8d1b47cfd7c0
Copyright registration time
2026-06-19T01:49:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:38a5e1bd0433c1f6136ab4b420a291f30da974ca36c85ad40f268f6a6b733a6e

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.