Dávná zem

Recording by Petr Muk.

Recording identifiers

ISRC
CZA239200103
CopyrightID (CopyrightChains transaction hash)
0x8c9546aee6f3f16101cfd1cba07cdc52207bf7ab58126e5266397de71a0bf44b
Copyright registration time
2026-07-07T02:38:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8c38b1c7d440f82f13b76fee513d39239ffa5ebbbae49020b80258b070de0a54

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.