Subhan or Sobhan (Arabic: سبحان sub·ḥān) is masculine given name and surname of Arabic origin meaning "praise, exalted, glory". Notable people with the name include: Given name Abdul Subhan Khan (die
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 0xe6d079b9bca02e5eec000587e9dc68a7d0a826bcbc6ae276438e74928e2482d2. Chain 2 (Bitcoin): anchored in block 953923 (2026-06-16T09:51:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a809ce4-b3cd-45f6-b32c-e99cacfe3d8e.json and https://artists.proofprofile.net/proofs/artist/1a809ce4-b3cd-45f6-b32c-e99cacfe3d8e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).