Bottleneck Blues - Instrumental

Recording by John Fahey.

Recording identifiers

ISRC
USFI86800255
CopyrightID (CopyrightChains transaction hash)
0xf36da13bfdb34ec31ae317a30d326d513ff07273462ef42d37fac9bb4bf1fa6b
Copyright registration time
2026-07-06T22:18:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1211f83358fe35b1a8dcf8bd2f28df5ba48af635a13b74dc82304febfdbb2ab1

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.