Proč Nejsi Tam, Kde Já?

Recording by Leona Machálková.

Recording identifiers

ISRC
CZA259900375
CopyrightID (CopyrightChains transaction hash)
0x2a97f776b15d092f45a355aa3d43ebc77ab1e748ba0465021b7d870669ac16a8
Copyright registration time
2026-07-30T05:21:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:43:45Z
Bitcoin block
960212
Canonical record hash
sha256:688bf30e6f079d1dcba61aed34013ddaea457f2720c24e4bf165c8d2f63a9b07

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.