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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef1e9e6c216ab83f04b6010d9105ce88a9e4b3eb21254b03b3f18953bef9c1e6. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf41af05-c026-4afd-b02f-b343c34f1a2f.json and https://artists.proofprofile.net/proofs/artist/bf41af05-c026-4afd-b02f-b343c34f1a2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quá Khứ Anh Không Thể Quên - Instrumental
Anh đã yêu người mới - Remix Instrumental
Em hạnh phúc anh thấy vui - Remix Instrumental
Nếu em đã không còn yêu - Remix Instrumental
Em ơi anh phải làm sao - Remix Instrumental
Yêu Lâu Nhưng Đâu Dám Nói (remix thailand)
Yêu Lâu Nhưng Đâu Dám Nói - remix thailand
Nếu Em Đã Không Còn Yêu (Remix thailand)
Nếu Em Đã Không Còn Yêu - Remix thailand
Em ơi anh phải làm sao (remix hot tiktok)
Em ơi anh phải làm sao - remix hot tiktok
Quá khứ anh không thể quên hot trend tiktok
Em ơi anh phải làm sao trend 1 (HOT REMIX)
Em ơi anh phải làm sao trend 1 - HOT REMIX
Quá Khứ Anh Không Thể Quên (Remix & Lofi)
Quá Khứ Anh Không Thể Quên - Style HuyPT
{"copyright_id":"0x424d866626f644e74986d220dcc18c135ae84760104908026ec2bf7a5ff66930","isrc":"VNA0R2500389","name":"Quá Khứ Anh Không Thể Quên - Style HuyPT","registered_at":"2026-06-27T16:05:49Z","spotify_id":"2gMYkfrJyv3ZIp1fwYqTDp","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x424d866626f644e74986d220dcc18c135ae84760104908026ec2bf7a5ff66930. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gMYkfrJyv3ZIp1fwYqTDp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gMYkfrJyv3ZIp1fwYqTDp.
{"copyright_id":"0xf827c690aaf46d61db58bf4b17b821b847158a45b3b68ac2a3b98eae671b7f7e","isrc":"VNA0R2500390","name":"Quá Khứ Anh Không Thể Quên - ZZ Remix","registered_at":"2026-06-18T12:09:23Z","spotify_id":"50QD5cR0BK2H8JvXLRk48d","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf827c690aaf46d61db58bf4b17b821b847158a45b3b68ac2a3b98eae671b7f7e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/50QD5cR0BK2H8JvXLRk48d.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50QD5cR0BK2H8JvXLRk48d.
Quá Khứ Anh Không Thể Quên - Văn Khánh Remix
{"copyright_id":"0x2207687b3bf215a1cdad07f8265f4606ab25f05c60c295a67b5ed706e8950996","isrc":"VNA0R2500392","name":"Quá Khứ Anh Không Thể Quên - Văn Khánh Remix","registered_at":"2026-06-23T15:52:54Z","spotify_id":"6kNm9MACaxKqMXSJPBX1XV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2207687b3bf215a1cdad07f8265f4606ab25f05c60c295a67b5ed706e8950996. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kNm9MACaxKqMXSJPBX1XV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kNm9MACaxKqMXSJPBX1XV.
Em ơi anh phải làm sao New (Special Version)
Em ơi anh phải làm sao New - Special Version
Đôi Khi Yêu lắm Cũng Xa Nhau x Đứng Sau quá khứ (Remix)
Đôi Khi Yêu lắm Cũng Xa Nhau x Đứng Sau quá khứ - Remix
Quá Khứ Anh Không Thể Quên (Tiếng Trung)
Quá Khứ Anh Không Thể Quên - Tiếng Trung