Blues After Hours

Recording by Pinetop Perkins.

Recording identifiers

ISRC
USARL7870214
CopyrightID (CopyrightChains transaction hash)
0xc326de5d4c3090417d32dc22413de295078be655f4d85b47f3056fe86f17f2a6
Copyright registration time
2026-06-10T17:01:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c788c36a6220e5071d117f92ffde44a3e6064150cf79d5d852eab805f88ad9fd

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.