Workin' Man Blues

Recording by Albert Cummings.

Recording identifiers

ISRC
USBP10610501
CopyrightID (CopyrightChains transaction hash)
0xf5998443740f0cf170e098332ac89fc2232b9bcaffe9625b2c1c83dc8b219a03
Copyright registration time
2026-06-06T14:00:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:16d486eaa364feb57f8ed8daa626357ba212fd835719c5d6c4a9dd3c4bd55ba4

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.