Perdido

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA2400404
CopyrightID (CopyrightChains transaction hash)
0x14b0cbfee41e987336050457bcf3955184d07ba36064e3e8fa81db9caab0d651
Copyright registration time
2026-07-29T19:59:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:102262c6a3a8d003b6e4db9f72388c49c5e563410c4ffc5596ba095f0e3870ac

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.