Farewell Blues

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM11005108
CopyrightID (CopyrightChains transaction hash)
0x581e021d3b469309c061cbfcc955548c02c4c3b45a041c96babd4c8ede156383
Copyright registration time
2026-07-07T22:31:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:58c15d0185187f8feabbca8ccf313cc1af0333981b1916d5d7108ae5e6c315bf

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.