Cool, Cool Blues

Recording by Sonny Boy Williamson II.

Recording identifiers

ISRC
DEXO52434721
CopyrightID (CopyrightChains transaction hash)
0xd22979c3207af24d2b916ad409b956974aa8a56a72dfb7d68cd516195a0df731
Copyright registration time
2026-07-31T04:00:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:85fe43cee49690d57cc3ca8240c3af6970675d12dd280327ef858052bd7ca7d3

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.