Kyje () is a cadastral district of Prague, Czech Republic. In 2015 it had 9,036 inhabitants. Geography The Kyjský Pond is located in the area. Demographics Sights The main landmark is the Church
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d9df750fce809e7859168f1687e0a4a49f95c3230b428b46eb4a5f6829845f. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d74167a4-dbfc-4faa-acc9-fc26d4a0b2f3.json and https://artists.proofprofile.net/proofs/artist/d74167a4-dbfc-4faa-acc9-fc26d4a0b2f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).