Butterfly Joe

Recording by Kensuke Ushio.

Recording identifiers

ISRC
JPE301400700
CopyrightID (CopyrightChains transaction hash)
0xd4ed26fd10526e962c8b4472fb8b82371e83786bc8721175efce0bb644902db9
Copyright registration time
2026-06-09T06:54:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ac190990d7938779ad11afd4f2126b8906081e1d29b1cad6d2ae07675e7a9309

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.