Cocktails for Two - Take 2

Recording by Duke Ellington.

Recording identifiers

ISRC
USBB19900141
CopyrightID (CopyrightChains transaction hash)
0x31722eb9626b6b5bcb03054fb9afa303e8c854fdae2849b925608fe0143a82d4
Copyright registration time
2026-07-29T15:50:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:e55fce90c227329e2f7900884b4ac2cee7c0ad4615a68d2e30368c8d919ca29f

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.