Blue Tone

Recording by Yoko Kanno.

Recording identifiers

ISRC
JPVI09815180
CopyrightID (CopyrightChains transaction hash)
0x6664d58e69b3480fc0cc9b48edbbaa9f1ccdd6fb31360a9e427bbfcada468af7
Copyright registration time
2026-07-30T06:32:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:57:05Z
Bitcoin block
960218
Canonical record hash
sha256:ab19c65fa23fdee74299fe964a2c68d1ea6439edaadccaeae7f0b91a1376e87d

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.