Tessanne Amanda Chin (; born September 20, 1985) is a Jamaican recording artist, best known for winning Season 5 of NBC's reality TV singing competition The Voice as part of Adam Levine's team. She ha
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 0x74243839f8710da2065cb508b731266308a7a01be9565bc54fa256593d5d0929. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/448cc5be-9837-457f-a098-22fc122082b8.json and https://artists.proofprofile.net/proofs/artist/448cc5be-9837-457f-a098-22fc122082b8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).