Proč Mě Stále Hlídáš

Recording by Petr Ulrych.

Recording identifiers

ISRC
CZA167200477
CopyrightID (CopyrightChains transaction hash)
0xcbcc15496f2673f4931b6c705b89b3f1af046251b34851bd61505c7cd47e73d5
Copyright registration time
2026-07-30T08:19:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:30:10Z
Bitcoin block
960229
Canonical record hash
sha256:b05d9f361816cb4549df49d7584216202ac64f73626ee807ad6e32e92756095e

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.