Běžná věc

Recording by Helena Vondráčková.

Recording identifiers

ISRC
CZA100308337
CopyrightID (CopyrightChains transaction hash)
0x34ae76d2c702d3285a7c3bdc2bc7e572ff604ca2e45c852692ae86c819bdb362
Copyright registration time
2026-07-07T02:14:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:7b55a2fc2440cb531070c85144e743d5c3533b74bfbeb5cfbbf094e4ddbf3e78

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.