Leta blazniva

Recording by Petra Janů.

Recording identifiers

ISRC
CZA239700503
CopyrightID (CopyrightChains transaction hash)
0x38ece8d9d1f6f6ae9a33047a3c42471a0cf8cc1739cb525e3231b30888c98187
Copyright registration time
2026-07-31T21:05:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:32e90f40c831c7ecabdec481b562f5ca057988e8dce742ef1c32d44e7b3f0159

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.