EXPERT BOAT

Recording by 井内 竜次.

Recording identifiers

ISRC
JPR501929769
CopyrightID (CopyrightChains transaction hash)
0x690314b88a78780667e353ea2ad5105baeb7118f845c94b30883cb89e957e058
Copyright registration time
2026-06-20T23:56:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ec3d02f6855f7208b1784b735b90ec86742ed05d9fb11ec29358d8f1a2428165

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.