Solea may refer to: Solea, a simple sandal with a thong between the toes and a hobnailed sole from Roman times Soleá, a form of Flamenco music Solea (novel) by Jean-Claude Izzo Soléa, a public tr
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 0x2aa3172077c1c028d19c71b8cc4b4abfcf06ee7d3a9866e48519b6bc47dd9bea. Chain 2 (Bitcoin): anchored in block 954062 (2026-06-17T07:39:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47a31bc6-29d8-4488-801a-76ff0dde38bf.json and https://artists.proofprofile.net/proofs/artist/47a31bc6-29d8-4488-801a-76ff0dde38bf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).