WEYK

Recording by 君島大空.

Recording identifiers

ISRC
JP92J2402362
CopyrightID (CopyrightChains transaction hash)
0xcbdb199169d6920c243c64e199280e0f7c8b21f0caeee20b393a41f59e9f2084
Copyright registration time
2026-06-05T14:17:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:56254e2ca61fc5cca646aa5c93d5bc478de48a62eabc64a82daee91734dc80fb

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.