Je To Levné A Silné A Dobré

Recording by Petr Novak.

Recording identifiers

ISRC
CZA160606416
CopyrightID (CopyrightChains transaction hash)
0x7282c5f6bcda88dc17615f980d4b912d304286606cd5f1ddec448e5a3dd25ee2
Copyright registration time
2026-07-07T01:37:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c59acf84d465bcd78e93dfd1fcdb7d1e6b6c95809b4e3ce9d86d38cddb63bf8a

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.