Things Ain't What They Used to Be - Live

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA1504509
CopyrightID (CopyrightChains transaction hash)
0x28b6d8682f95f4232512486b0679bd222f3799416570c82b27a967bf1c5ca089
Copyright registration time
2026-07-06T08:42:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:1d8832b732b14ab073739b3de10cc9302264f60c922d339c2c5eeea4979ce6f1

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.