Cocktails for Two - Take 1

Recording by Duke Ellington.

Recording identifiers

ISRC
USBB19900140
CopyrightID (CopyrightChains transaction hash)
0x9a4df8b039633fe7ac738ea9aede9d48b6f36caedbb043901b342c9353e9a41f
Copyright registration time
2026-07-07T04:04:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a7158746986722072f7fd8d87c24a531466dc0cd63fb43055516afb0da8140ee

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.