No Papa No - Take 1

Recording by Duke Ellington.

Recording identifiers

ISRC
USBB19900037
CopyrightID (CopyrightChains transaction hash)
0x42e282aeaf9abd3d0bbc4966e790cab7311a81dd136475f45142f4426e9de62b
Copyright registration time
2026-07-31T19:08:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:509d3442ce9a2cadac3575935040cee20a01c32ac4dde472521bc54948b8196f

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.