Laura Elizabeth Campbell (born 24 May 1953), better known as Nell Campbell or by her stage name Little Nell, is an Australian actress, singer and former club owner. She is best known for her role as C
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 0x301f74f7add3219431c95a3af68b1057d939d9c4b34be7b2f3589d351b75d227. 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/2ca0c95c-9d13-46c7-bd63-4fabccefec2a.json and https://artists.proofprofile.net/proofs/artist/2ca0c95c-9d13-46c7-bd63-4fabccefec2a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.