Nikdy To Nevzdam

Recording by Janek Ledecky.

Recording identifiers

ISRC
CZA210203112
CopyrightID (CopyrightChains transaction hash)
0x3bdd6e4509f8929f8a42b77c56ed85902e505cf1954393ffb6bcb67e31613d00
Copyright registration time
2026-06-28T05:55:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:af949be9f8d1d20ff480790eef2d8feeb0e49a17ff5bf7431158096710387c8f

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.