Lamadi is a town and a ward in Busega District of Simiyu Region, Tanzania. It is located on the shore of Lake Victoria. On 'dala dala' mini-busses in the area, the town's name is sometimes misspelled
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 0x9b8ba344a6cab634e961f3725fa88dfc5ba9d4e1c4bac7107da02bf242332886. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9375abd7-af23-4018-8201-5abc157c084d.json and https://artists.proofprofile.net/proofs/artist/9375abd7-af23-4018-8201-5abc157c084d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).