タイムマシーン

Recording by Yusuke.

Recording identifiers

ISRC
JPU902300551
CopyrightID (CopyrightChains transaction hash)
0x2c32d31783da5bc2786ef55317fe73c678661856423896f15b0b9cac5fce1344
Copyright registration time
2026-07-06T09:37:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:1ddd8a9f3189e67e2eaaaf6cc389b873421c9b441ba983541e0c5c2437a79d84

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.