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 0x0e63f66a7be048cda7bde3e2c7b264ba67b5d77ddfc4bb0fc790b01d533169dc. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/df25f0eb-02d6-4013-8a9c-cdd2f79aa458.json and https://artists.proofprofile.net/proofs/artist/df25f0eb-02d6-4013-8a9c-cdd2f79aa458.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ใกล้ๆ หน่อย (CLOSER) (Ost.21 วัน ฉันรักนาย) - Single