Memphis Blues

Recording by W.C. Handy.

Recording identifiers

ISRC
USA4A0901011
CopyrightID (CopyrightChains transaction hash)
0x4aa889651b826242e57b29b1ff80d75a7a2c858fc4d2e3442fc06f6c7b32822e
Copyright registration time
2026-06-21T05:44:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b810d6a5d511a61eaac278e6d42bb3b792a9db896641ea31e3d051c159ca344b

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.