Crazy Blue

Recording by Herman Düne.

Recording identifiers

ISRC
FRPJK2200080
CopyrightID (CopyrightChains transaction hash)
0x29d972c3d8d2c244220460a44376274384ea988a83b8387a488f52a559a5dc6d
Copyright registration time
2026-07-07T08:25:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:448712d980412df004a379af234774757dc745cb249eacf5349095c343faf507

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.