親戚の狂人

Recording by マツタケワークス.

Recording identifiers

ISRC
JPZ922409573
CopyrightID (CopyrightChains transaction hash)
0x1dc0cd58930acd6c747c9ea04c8474a6c90816c8cccc0b669a5d5829c95d54ca
Copyright registration time
2026-07-30T07:23:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:2c19748ff6418a86af6b3633f5e05395c9ae76b5201677ec91dfcb30b3ade87e

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.