Na vlastní pěst

Recording by Petr Šiška.

Recording identifiers

ISRC
CZI362100095
CopyrightID (CopyrightChains transaction hash)
0x5c906a8bf16db430a6f769d8784ddea162e10a78664bbadaa8f15cc2d9f4ec9d
Copyright registration time
2026-07-07T21:19:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:98dec6ba521273a49e92bc4530733e97eceb810d99102794540386969f72dbbe

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.