Zidan or more formally Zaydan is a given name and family name in various cultures. As an Arabic name () it is also romanised as Zidane or Zeidan. As a Chinese given name, it can be written in various
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 0x56a27b529d9436225853c86f006260281262c8a56197f27b2555eca5e8fdeaa0. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d79bb5be-1694-4545-bf2e-c1ec50d53797.json and https://artists.proofprofile.net/proofs/artist/d79bb5be-1694-4545-bf2e-c1ec50d53797.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wujudkan (Gigs Banyumas SUPERKIDS MUSIC CAMP)