Ať Chrání Bůh Nás

Recording by Petr Kolář.

Recording identifiers

ISRC
CZA541113614
CopyrightID (CopyrightChains transaction hash)
0xf3d5829c0a3cafabb8740a5bb11c6d2b37b6fc7381640000985dd54fdca02ce8
Copyright registration time
2026-06-25T10:18:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:40d5124ae33eaadd93759fc3a44698388190c4a6ca0e0ec6adc677a3adcb3d4b

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.