Já Jsem Tvá Neznámá

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA167100094
CopyrightID (CopyrightChains transaction hash)
0xb3c5aba9bed3e8ba651a5476cdd3fbf4e2fb5ec7afd84de3728665c462b41413
Copyright registration time
2026-06-18T11:33:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a87f3db6e9f9ab3c88a1bc265b1d986018e1973020eb85225aee68e3699a482c

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.