Obyčejná Štreka - Bonus Track

Recording by Michal Tučný.

Recording identifiers

ISRC
CZA168400137
CopyrightID (CopyrightChains transaction hash)
0xd763e91f5700d31fa8eb4e0705a32c9e3b2739be079838eb8ec420ecdc5c1878
Copyright registration time
2026-07-31T21:15:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:1b36e6c2e5412d318eaba2a8539088a450a6085549142d9651459fbfe79741ae

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.