Jednou Otevřu Si Cukrárnu

Recording by Petra Černocká.

Recording identifiers

ISRC
CZA161101127
CopyrightID (CopyrightChains transaction hash)
0x4decb7f56572fd5e948a3d0fefb7db7b6905f40f707e18638f89c7964765e98b
Copyright registration time
2026-06-24T22:38:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:897fed83f58eea7b2a9a6eb7dba46ff84e9ffb349c34a1d34cf713598449ce76

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.