Já s tebou hlavu ztrácím

Recording by Helena Vondráčková.

Recording identifiers

ISRC
CZA231700010
CopyrightID (CopyrightChains transaction hash)
0x9dc3002b22f786532c32ba985e0f210a8b7d8ff3da67598b23ce54920e9ad7bc
Copyright registration time
2026-07-31T06:44:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:9f95f3c0445b164c893e82e8c60d83ca323dc6faa1bdbd032be043918ec9a3d7

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.