Holka Ta Okatá

Recording by Václav Neckář.

Recording identifiers

ISRC
CZA167200008
CopyrightID (CopyrightChains transaction hash)
0x1a4cda9a3c82a775069b309dce1e128f8d096da09b2667a49d1abb07a13fe457
Copyright registration time
2026-07-31T23:11:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:9e6c2d3b06801a2e53c7526aa220297b8167f63c8a96fd8f2f405503a9f5d0ac

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.