Dvě Slůvka

Recording by Marcel Zmožek.

Recording identifiers

ISRC
CZE561500504
CopyrightID (CopyrightChains transaction hash)
0xc35a43811321faac554f301d0f90d52674fc96661a96b1ddce4cef8a8eb12031
Copyright registration time
2026-07-06T11:04:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:c959eb3d2c1823d5742b6bc2cf896a45605f13c9a8e5f74153f0f8b513a2587d

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.