Seiko 1

Recording by Yasuaki Shimizu.

Recording identifiers

ISRC
BE6F51700820
CopyrightID (CopyrightChains transaction hash)
0x2fc65b6fa4bfb428bdcf4ca943a2124d7f8779021cd4abc5ae42302d3f7b903c
Copyright registration time
2026-06-18T12:39:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ed964d792779e4c7c040bf44ef95763ff0b8bf58a336b89a4692970476928d81

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.