Nejdou, Hodinky Nejdou

Recording by Karel Zich.

Recording identifiers

ISRC
CZA659701966
CopyrightID (CopyrightChains transaction hash)
0x71afa3ff513ef537b9c61bb77b68aa8a3238775fab110fa988c55de729ad5ef5
Copyright registration time
2026-07-06T20:42:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:87381759e84c1a4825d7d1a9e4296fb27416a8e9dcf5af943921cc52aa8175da

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.