Schmid () is a German surname that is a cognate of "Smith", an occupational surname for a blacksmith. The spelling is more common in Switzerland than Schmidt or Schmitt. Notable people with the surnam
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 0x1b48274e13baf2f9b60f2968043ab70a2a1df458fe67a7cd2e48f62f0476b2c6. Chain 2 (Bitcoin): anchored in block 953841 (2026-06-15T22:20:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0023c31c-529e-4e05-a3fc-c1f69356fb28.json and https://artists.proofprofile.net/proofs/artist/0023c31c-529e-4e05-a3fc-c1f69356fb28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).