I Must Have That Man

Recording by Duke Ellington.

Recording identifiers

ISRC
USBB19900042
CopyrightID (CopyrightChains transaction hash)
0xc876453b2a77e56e80f7ae8248a4fc3384d9c60a9c72d89c4b4dacab9ae95318
Copyright registration time
2026-07-07T03:07:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:44deb289185643780b2a98fb92a2276fe0c5d26fa9bdf71ab42ffece6b948185

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.