Sloppy Joe - Take 1

Recording by Duke Ellington & His Cotton Club Orchestra.

Recording identifiers

ISRC
USBB19900057
CopyrightID (CopyrightChains transaction hash)
0x3d4be4415b8bced3faca210d0c0b6bf0176d293074989486d62f9c41741f175c
Copyright registration time
2026-07-31T11:30:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:e1845f038dbc32a629ec53b019aa51d0fc9146f1b7e31d234e5bae663b1dfe8c

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.