Hosch is a surname. Notable people with the surname include: Finn Hösch (born 2003), German ski mountaineer Julie Hosch (born 1939), American politician Larry Hosch (born 1977), American politician N
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 0xfb4494e3c035f2c42971417d5c77797955e3181a2897b4497b1fed663313c2ec. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/179a5cd5-7e4e-4530-806e-3ab2c17f33ca.json and https://artists.proofprofile.net/proofs/artist/179a5cd5-7e4e-4530-806e-3ab2c17f33ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).