Take It Easy

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10502181
CopyrightID (CopyrightChains transaction hash)
0x9cb4115b0a644939ed003aa68dc555d9e170793834c81a91a4e505b9b42f67be
Copyright registration time
2026-06-20T03:44:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:018bca2ce12c850e0dc71db9a663d7813c8bf5ea2e22f35d3450fc60b7dd555f

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.