Puzzle

Recording by World's End Girlfriend.

Recording identifiers

ISRC
JPZ921200641
CopyrightID (CopyrightChains transaction hash)
0xe8ef386d1a544acf753af285b3b5867aebb3f0259aba1f3037ae276311e593cb
Copyright registration time
2026-07-07T03:02:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1cbf48c35c28820a2d759baaf45a134d10cb6f757b627024b0a59c4659c0dc34

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.