Jak Jdem Tím Zdejším Světem

Recording by Karel Zich.

Recording identifiers

ISRC
CZA167600213
CopyrightID (CopyrightChains transaction hash)
0x28f34fcf5e479daa806d7af9d7ec28e778ab7e5649ac2e3b1618d55a0745da1f
Copyright registration time
2026-06-18T06:23:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:05a20e90007debcafbae9b48f40e0564adef7c761134e37d274eaa4bf354182d

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.