Jó, Třešně Zrály

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166400087
CopyrightID (CopyrightChains transaction hash)
0xc4d8a0599370b416bade3e157c1cdb7cbed173328be1c69148c3b0f64dc7776a
Copyright registration time
2026-06-04T16:06:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3eae4df81168248d86aa27d6439b08b4e1a0a26fe18117599e509d932067e9ea

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.