海の上から

Recording by Yasuaki Shimizu.

Recording identifiers

ISRC
JPCO08221190
CopyrightID (CopyrightChains transaction hash)
0xb83098af36061918fce6425d423f470a8894ce75153d1b1c43071ceb6d7abf13
Copyright registration time
2026-06-19T20:10:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:45220d7cb4a2304a86106f0c554cec72348c4786060d54730f04198bf286c518

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.