Řekni mi proč

Recording by Ivan Kral.

Recording identifiers

ISRC
CZUM71800192
CopyrightID (CopyrightChains transaction hash)
0x44565f12e29dce43ab9fbe38f3cf8964b72dd9b3112280957559f790fa149c74
Copyright registration time
2026-06-21T07:57:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ce0a06bdb025f0e9a73beacc7e2869c4c6697de7bcc16a32efdb554abe647187

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.