Tak se prober

Recording by Janek Ledecky.

Recording identifiers

ISRC
CZUM71800044
CopyrightID (CopyrightChains transaction hash)
0x4e0f42f67e3b6acc7a642b0259ca53b52510fc8d0d670c5f54ac16ab74b1f69a
Copyright registration time
2026-07-30T19:14:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:42:40Z
Bitcoin block
960300
Canonical record hash
sha256:e3fe25073b7462234f6c9fec88947d3b9a64e0d5a7e3fea161b03ef27525c825

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.