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 0x9b455345df234cd1d11faab01bc699121ae223a1f276d7053da16b05d3d7f911. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a84360ea-2c7c-4a33-aa0d-2ffb1cfce94e.json and https://artists.proofprofile.net/proofs/artist/a84360ea-2c7c-4a33-aa0d-2ffb1cfce94e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nhạc Bolero Năm 2017 - Chàng Trai Chăn Dê - Hoa Nở Về Đêm
Nhạc Bolero Hay Nhất 2017 - Đoạn Tuyệt - Hoa Nở Về Đêm
Tuyển Tập Những Ca Khúc Bolero Tâm Trạng Nhất 2017 Của Nguyễn Thành Viên
LK Bolero song ca NGUYỄN THÀNH VIÊN ft PUOL LÊ
Liên Khúc Vọng Kim Lang Xuân - Ra Giêng Anh Cưới Em
Em Có Bằng Lòng Về Quê Mẹ Cùng Anh (feat. Hoàng Hải)
Mười Ngón Tay Tình Yêu (feat. Khánh Linh) [Remix Version]
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7295d506387e352bd6cbd0db59ab8fbe9769a13563578ceeb0cea3a7ef90cf4b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/VNA0M1934019.
Tình Yêu Trả Lại Trăng Sao (feat. Thế Vũ)