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 0x21b72fe06007378a663e18986661418cbcc8fbc469f2421678306b1426fdcb59. Chain 2 (Bitcoin): anchored in block 953808 (2026-06-15T16:45:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f2a0635a-87c2-4fad-9132-20ae8a919f0b.json and https://artists.proofprofile.net/proofs/artist/f2a0635a-87c2-4fad-9132-20ae8a919f0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ผิดที่สำคัญตัว (เพลงประกอบซีรีส์ "Waterboyy the Series")
ออเจ้าเอย (เพลงประกอบละคร บุพเพสันนิวาส)
เลดี้บานฉ่ำ (เพลงประกอบละคร "เลดี้บานฉ่ำ")
ความทรงจำ (เพลงประกอบละคร "กั๊กนักรักซะเลย")
ไม่พูดไม่ใช่ไม่รัก (เพลงประกอบซีรีส์ เลิฟ@นาย Oh! My Sunshine Night)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x9671b30017f649fe5e659a11bfb63b517f8bf3ce42b2bbd76380b2bcbe89bbcc. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THMOB2312273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a52a2f6789659dcfece702dc5b6f27dbf10951fd6d189a751a5c7043b9c7eb. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T02:01:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THRSP1243637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30636ef4d9d27b50d61941c7891c150b68b668e7263054e9e74f9d60ca7bfa79. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THMOB2412681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50dcd7f8a066d49a875706bd2c07203c9d7e7bed5f0bdb19dba19232e25466d7. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:07:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THMOB2412917.