Sophisticated Lady - Take 2

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10502225
CopyrightID (CopyrightChains transaction hash)
0xada920785eed73b1ab2b83de96f1b20173d6cfa6dffc2251a1bd8e3d38bf8141
Copyright registration time
2026-06-10T23:52:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:04cbe3ac818252b38b4319fb6d3471322b8203feba1b82f53fa2caef56a661fd

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.