Kamaradi hrajeme dal

Recording by Vítězslav Vávra.

Recording identifiers

ISRC
CZA230900662
CopyrightID (CopyrightChains transaction hash)
0x202f95b3f3c74af6a55345fd23b4385f8944c9039afc8194816729af020cacc5
Copyright registration time
2026-07-07T08:53:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4bb2c09ac7723410b534b81a4504cd858d70b151cba9ae1fe89b57be725ea87d

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.