海を渡る橋

Recording by Tomita Lab..

Recording identifiers

ISRC
JPD000203700
CopyrightID (CopyrightChains transaction hash)
0x1337f4e612583a908062c9b103e4041f5fc8a505de8cee4c1d621be06b13d0f8
Copyright registration time
2026-07-29T15:19:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:38:18Z
Bitcoin block
960125
Canonical record hash
sha256:41a4bb0c2c78dd9498c2ddcad1b8d0dc36d39d97654804022d25a883a0458a7c

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.