Harp Man

Recording by John Mayall.

Recording identifiers

ISRC
GBF076721390
CopyrightID (CopyrightChains transaction hash)
0x4fa77a7997e7a38c0f7d2e79f8b765526172fc09f94d0f870358fb0dbc9228d8
Copyright registration time
2026-07-06T05:45:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:0f6f5282574d03dfc85761da8622985f81e7af4ab726c517deb041dcdcbe4190

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.