Test Drive

Recording by Johannes Repka.

Recording identifiers

ISRC
DEYX82123267
CopyrightID (CopyrightChains transaction hash)
0x9491809c693bb4c16cc8165311c84533db1553b09b5ca40bae2aa95164d25786
Copyright registration time
2026-07-31T12:33:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:132a6312c90e2f99ba1e579e24a2a330692180bcf7a36ab556486d7ea532059d

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.