Já Bych Si Rád Najal Dům

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166500028
CopyrightID (CopyrightChains transaction hash)
0x13b4fd70ec6ccd9ae2dcf655e71301e6d662a39392d11e9166330d42af9ea15c
Copyright registration time
2026-07-29T16:25:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:128e3b9c2cbcb86df7bdde527a0877591f68e681e0a8c41200d94ff04d931a7c

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.