Ve dvou

Recording by Helena Vondráčková.

Recording identifiers

ISRC
CZA232000635
CopyrightID (CopyrightChains transaction hash)
0x84dbaf17e168d0c6a967503f85760170202bb0f333dcb3e0263235950b3aeda1
Copyright registration time
2026-07-07T12:53:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:43ecdb9f02088a2a9ee54c6c8c3917007abc70688bafd020ea840251f229c683

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.