Blonďák S Červenou Bugatkou

Recording by Naďa Urbánková.

Recording identifiers

ISRC
CZA540149005
CopyrightID (CopyrightChains transaction hash)
0xb21e23cbe24b8cb6d03fc1996939d999375812b32f29e21bc6460f142bc490e9
Copyright registration time
2026-07-07T06:00:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:75dc060c69bbb01220d99f7384bf9cce48837a58e2063632806bf1ab4e409561

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.