Ještě Se Mi Směj

Recording by Petra Janů.

Recording identifiers

ISRC
CZA168700339
CopyrightID (CopyrightChains transaction hash)
0x405d65affe73a7503a764729645b981f14aa9588a207d8d2c15700b30f198153
Copyright registration time
2026-06-11T14:07:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7cbdfb413def5c61c4c48910a8ed66d0a4059a3058ba57940909f42959d4c077

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.