Kdo Prošel Blátem A Louží

Recording by Hana Ulrychova.

Recording identifiers

ISRC
CZA167900412
CopyrightID (CopyrightChains transaction hash)
0x253d8dc86a6ce1a62dd78ba1454b17ef6e46c8e2d3ad869ee0ffe6785afb941c
Copyright registration time
2026-06-22T11:52:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a2d2482dbab16db1e52cae5fa4a788614511a0e7d77cb8d14fe2f09a9284d204

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.