Kamarád - Bonus Track

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA167500004
CopyrightID (CopyrightChains transaction hash)
0xcb24e76d970faecb54e1d18bfab05c9a9bca5c2123cecfacbf206ba4dec2cea5
Copyright registration time
2026-06-07T14:46:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:3ec1da2adf4045ce13830e51399563d381a4a8f0c2a7d887e5869022bf36b66b

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.