Ten druhý v nás

Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA167000032
CopyrightID (CopyrightChains transaction hash)
0xf65610e4400508c549e7393ec850a5b644f904bd3fe9dd5ef68e5d0ea3f9769a
Copyright registration time
2026-07-07T14:06:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dbf932facb430293306c30f242a1b769e79e0eb12cfebeb374ce2c5184c4c75e

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.