Obyčejnej Kluk

Recording by Petr Rezek.

Recording identifiers

ISRC
CZA168100028
CopyrightID (CopyrightChains transaction hash)
0xeb8e196bd8c9ae4c5aadfbd95146ec4dd901c2679d85a382bf14e2bc800de529
Copyright registration time
2026-07-30T10:38:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28Z
Bitcoin block
960250
Canonical record hash
sha256:e7af913e6c12283d69192cd50698c734b9308e227321fac8d37fe565636ae994

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.