Poor Boy Blues

Recording by John Fahey.

Recording identifiers

ISRC
QMQQH1608534
CopyrightID (CopyrightChains transaction hash)
0x52aa51a1b44a25553e5d8eabac5e2786f6bc241c684ff2b2a0c463b70bb113ab
Copyright registration time
2026-07-07T12:55:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:36b18a05a02cca48e8375ded0f0d31b9fe64d1d4c69f787c3b4e8d52aa672cd2

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.