Kat

Recording by Martin Pošta.

Recording identifiers

ISRC
CZA230000148
CopyrightID (CopyrightChains transaction hash)
0xd17b986cbd88c6f617b44b99c822e39052dc5d5c7b472b5e88a76fb08b2de9d8
Copyright registration time
2026-06-25T10:17:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:566f45bf6b83b30cd2f3aeb039d3dabc95f9849ae14eeee56bdb2584b6895b3a

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.