Smooth Operator

Recording by The Jeff Steinberg Jazz Ensemble.

Recording identifiers

ISRC
US86A2200071
CopyrightID (CopyrightChains transaction hash)
0xd6aea97c796191bdaaec023f3793f2dd249542ad74d0b2547bd4ca24e7c280b2
Copyright registration time
2026-07-06T22:51:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6e147dd360ca8d251d3f15138f28014af1a2069913774be8d8153edd73ad9356

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.