Riedel is a German surname. Notable people with the surname include: Adolph Friedrich Johann Riedel (1809-1872), German industrialist and politician August Riedel (Johann Friedrich Ludwig Heinrich
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa006541f87b42b8fa2625b48d53a8b7209f8a71e65b1b8272dee2012a40516a5. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9eea8d96-9412-4fcd-8149-c3b944001bc5.json and https://artists.proofprofile.net/proofs/artist/9eea8d96-9412-4fcd-8149-c3b944001bc5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).