Backward Country Boy Blues - Remastered

Recording by Duke Ellington.

Recording identifiers

ISRC
USBN20200163
CopyrightID (CopyrightChains transaction hash)
0x6da9eead8f8691ba8fd5086d2bd8ac0d51903ef33253ebf2772aa54e6a4bb22e

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:30:37Z
Bitcoin block
960509
Canonical record hash
sha256:1b814735cf2e0d3bf197dc03186fc55980725be5829130d0f2eb7aec7e957905

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.