A Blues - Instrumental

Recording by Martin Simpson.

Recording identifiers

ISRC
GBEEJ1900400
CopyrightID (CopyrightChains transaction hash)
0x0b6355013483bb3e1ee7c433583ea28d3206d561453291518cb2fffdd73be4c2
Copyright registration time
2026-07-07T13:01:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d3e9c5f37670d70e7c65a8ee7a889d490d5d1c234304a7e02bf16afcb1e08dee

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.