My Jsme Ti Kluci Akorát

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA167100058
CopyrightID (CopyrightChains transaction hash)
0x33fff22d412182cda04925a8751fcd46623352cd0c4da198fc27513a56018d7d
Copyright registration time
2026-07-07T07:02:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4a69fe138a1f2f5b1b05e2cbce2162dab2b76354c0ef93ed1f72dd0c37e72efd

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.