Když Tohle Vím Jen Já

Recording by Marie Rottrova.

Recording identifiers

ISRC
CZA161201453
CopyrightID (CopyrightChains transaction hash)
0xa1f7f7c052d99d319118478e7d2e39045338d91a80ca9069a112eb73f42d2ee7
Copyright registration time
2026-07-31T18:05:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:f090dfcbb32896d5b2b90686858d2bf7af9a2cf6833c883dc4d042167dadd2dc

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.