Retrograde

Recording by Combine.

Recording identifiers

ISRC
GB8KE1859106
CopyrightID (CopyrightChains transaction hash)
0xb76080a58e6072fc88206a7cc2136069207afb773f217a7cb69c106f4f34b5d8
Copyright registration time
2026-07-07T16:01:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a43f13b7bbba3468ebaebf5e2aa923c18561dec032a834d8cc80c39a2329a44d

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.