Krista Erika Kosonen (born 28 May 1983) is a Finnish actress. She is known for her appearances in movies such as Jade Warrior (2006), Princess (2010), and the Norwegian HBO series Beforeigners (2019,
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 0x81c329b410a55712af418cecb6493da1843debfc70d05f5c75347c19fa0f90b4. Chain 2 (Bitcoin): anchored in block 953864 (2026-06-16T00:30:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0357c355-a9cc-48a0-8e10-d14f564e0e97.json and https://artists.proofprofile.net/proofs/artist/0357c355-a9cc-48a0-8e10-d14f564e0e97.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).