曖昧Blue

Recording by 川崎鷹也.

Recording identifiers

ISRC
JPWP02570191
CopyrightID (CopyrightChains transaction hash)
0xdb705df03e90273dda340e8b99b58e3747109f490bcc968abcfaf39660d1cbb6
Copyright registration time
2026-06-01T23:02:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:eb3e76ce9990975263b37ed98e48d66daf4ef2ca89a1131224be6ae747aeff98

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.