Tak mi dej křídla

Recording by Janek Ledecky.

Recording identifiers

ISRC
CZA110306042
CopyrightID (CopyrightChains transaction hash)
0x196660b1efbb4110bc5a64651ee0478b1fefdf9d94a03004d5e407d6180bd498
Copyright registration time
2026-06-26T02:58:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9d24ccced4faede69c00393a00bd827724c5c10064cc985c5f77b9be9040b3b8

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.