Kluk V První A - Bonus Track

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA167900085
CopyrightID (CopyrightChains transaction hash)
0x9747a0c1c02d594ae8732c54fff55ab892ee899d1027fab9f6f0ba7fbdc93b17
Copyright registration time
2026-07-31T18:43:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:11ac36f26311892f37321382e82e269e6e9081225ba875d249da2cb3b04e4d4e

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.