Villoldo is a municipality located in the province of Palencia, Castile and León, Spain. According to the 2022 census (INE), the municipality has a population of 335 inhabitants. References Category
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 0x86d12f7bcafe570706a45a68966a5068cafcd9c12fd3248c56a8d0fc1ffff902. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65c3ec13-f41e-4929-8633-d009ce737fb3.json and https://artists.proofprofile.net/proofs/artist/65c3ec13-f41e-4929-8633-d009ce737fb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).