Medley: Things Ain't What They Used to Be / Hello Dolly

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA1700310
CopyrightID (CopyrightChains transaction hash)
0xb5fae8fb46fc4cee4ac1e3044945d990c684bd512b37522a8ceb5d559d3e3f67
Copyright registration time
2026-07-31T16:40:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:beceb3d1f62bdf53c9be6b0c06244aa03eeead0b4b3c3afb51b076ac78925998

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.