Blues of a Salesman

Recording by Lars Winnerbäck.

Recording identifiers

ISRC
SEUM71600726
CopyrightID (CopyrightChains transaction hash)
0x0315415fa0c1b3fbabf405a43c143c327263637941f0ef99cdbc779c4676ebef
Copyright registration time
2026-06-09T13:54:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2ca477fd4b8172cc7b5034cdb10d4c08ec1e6d16baef9cbf054f3a461ad66944

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.