四畳半主義者

Recording by Michiru Oshima.

Recording identifiers

ISRC
JPT592210501
CopyrightID (CopyrightChains transaction hash)
0x471c4ddaf3efd76bb22b7a7c2e69e344d2c3452c22b3e53d9a2843e533c0961b
Copyright registration time
2026-06-23T02:05:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:51282dded34e0482fe9e699ce86be7eba40300d5f8a53c9ab9ebbcb7ca17459f

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.