Kdo Zná Tvé Pravé Příjmení

Recording identifiers

ISRC

CZA168400541

CopyrightID (CopyrightChains transaction hash)

0x5328bf32d334e7e3a4cf73b50114ad9d8eb9e62d99d4d21e1eef0c22fc6d3a01

Copyright registration time

2026-07-06T23:16:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:dfca5948ce067de4f1b09fde78c7182a0efc917242b4d9a04d0dd23ef4d333a6

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.