Čí Jsem Já

Recording by Karel Zich.

Recording identifiers

ISRC
CZA168100129
CopyrightID (CopyrightChains transaction hash)
0x5823ab4e022816830f617266d584ae322db3f2c270ee271d06c355888c4808fb
Copyright registration time
2026-07-07T18:38:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c3a17154ed0fbb79423f1f15b7570d328995d534a5cd148f9a0bcd177d620850

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.