Slone is a surname. Notable people with the surname include: Carl Slone (c. 1937–2020), American basketball coach Philip Slone (1907–2003), U.S. soccer player Ricca Slone, Canadian-born American polit
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 0xf1d5ea81150626df29c39c3cd5ab514c6e162be5bfff0eeaddd60da2c1b0a50e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d6b25366-676b-4948-be4f-40c4046e322f.json and https://artists.proofprofile.net/proofs/artist/d6b25366-676b-4948-be4f-40c4046e322f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).