Circular

Recording by Susumu Yokota.

Recording identifiers

ISRC
GBCKB9800006
CopyrightID (CopyrightChains transaction hash)
0xc36a75eb20a8db71851cb97b08ec1b4376a944705718af86f853deb519e64ffe
Copyright registration time
2026-06-26T21:19:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:ed103bc211ce07c885e2ba70b5e32f679745663479de77bb9d50c3157b74463b

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.