To co je vzacne

Recording by Martin Babjak.

Recording identifiers

ISRC
CZA239900589
CopyrightID (CopyrightChains transaction hash)
0x3bdeafe211f3a97182594ffe480247abb71fc5a0ec7686ad9cdfab197b49304d
Copyright registration time
2026-07-07T08:33:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:caeef63b67fe17780dc362c28f12ebcf62ea7c7bffa8b6e28d3ed0be703af40f

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.