Circulating Ocean: Waves from the Ocean -

Recording by Toshio Hosokawa.

Recording identifiers

ISRC
HKI191341305
CopyrightID (CopyrightChains transaction hash)
0xc43bc342e7ac55c12d090b57f0392ceb9c7f2b19fd0ec12629e9c4dc9f9f8a74
Copyright registration time
2026-07-07T05:18:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4d1f6f442b29397f0a3ed2b1444e73273cd47a034d1ad1360983f94cebd50e97

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.