1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec5280c2fa210028cf68d2ca0d2ef94b19a41f992422c3c47cfb2b356bd865c5. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc2dcd92-3210-4f1a-b75d-7ec707978e0e.json and https://artists.proofprofile.net/proofs/artist/dc2dcd92-3210-4f1a-b75d-7ec707978e0e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ngọc Chánh 2 - Về Đây Nghe Em (Shotguns 64)
Où Est Passée Ma Bohème (Còn Đâu Kiếp Lãng Du)
Je N'ai Pas Changé (Anh Vẫn Như Ngày Xưa)
Anh vẫn không đổi thay - Je n'ai pas change
Nguoi Tinh Gia Tren Dau Non (Old Lover On The Mountain )
Nguoi Tinh Gia Tren Dau Non (Old Lover On the Mountain)
Hen Em Nam 2000 (See You In the Year 2000)
Liên Khúc Mùa Đông Của Anh, Trên đỉnh mùa đông
Mùa Xuân Đầu Tiên - Tình Khúc Tuấn Khanh
Và Con Tim Đã Vui Trở Lại - Nhạc Tình Đức Huy 2