Clear Black Sea

Recording by Yasuharu Takanashi.

Recording identifiers

ISRC
JPE301201870
CopyrightID (CopyrightChains transaction hash)
0xf425583eb201b035a26e28e227f723be9418243e2aa407f979c3cf0adefa0ed4
Copyright registration time
2026-07-06T07:31:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:2479dd43feabb16284fb237137dfdbb98014ab775e839ef7d95b8ea2b3769641

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.