Tak To Přeci Nejde Říct

Recording by Michael Kocáb.

Recording identifiers

ISRC
CZA140200307
CopyrightID (CopyrightChains transaction hash)
0x81606d1dce9a77b2514899f158d141e9bc4c5d0b2d99b33c804e65755ef3e347
Copyright registration time
2026-07-07T16:31:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:216cc52113cf69015de767e65c799b92a9a45cd02d232cddeb0c309d76c9c3a4

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.