Už Mi, Lásko, Není Dvacet Let

Recording by Jiří Zmožek.

Recording identifiers

ISRC
CZA168700340
CopyrightID (CopyrightChains transaction hash)
0x02f77cfb66bfcc3832d2595e1b95987bde3867d032e8d434fa1940e4a236f138
Copyright registration time
2026-06-06T18:31:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:de7b219280ce212788f5c122f30d83b4a63d0ce80b90891f46766cc33432a30f

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.