Back to the Unknown

Recording by Gus McArthur.

Recording identifiers

ISRC
GBKPL2033043
CopyrightID (CopyrightChains transaction hash)
0xc84e3b4ba730382b5347d9c8213b11d77a23e9b55a2d9a9860721dce3d63c426
Copyright registration time
2026-07-31T18:52:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:54e808ed77d465647913d17916509ce462919db29a5998c39077faad79bfd7a9

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.