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 0x86acdbc29d315c7e7a67fbabe0bf49b8ea4ffee7c1ee5add54a89adf07790aa3. 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/b66e5cc0-00c5-442e-9842-6d9d06260807.json and https://artists.proofprofile.net/proofs/artist/b66e5cc0-00c5-442e-9842-6d9d06260807.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x663990fab3c9a82bb02c467b2e07c1f3af7aa8dc0916dca6f9a1b117c1a8f71f","isrc":"FR59R2291161","name":"Cảm Ơn Tổn Thương - Ciray Remix","registered_at":"2026-06-29T06:02:46Z","spotify_id":"39ksWQiki1EyeOPgaxkarg","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 0x663990fab3c9a82bb02c467b2e07c1f3af7aa8dc0916dca6f9a1b117c1a8f71f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/39ksWQiki1EyeOPgaxkarg.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/39ksWQiki1EyeOPgaxkarg.
{"copyright_id":"0x9d10e41545d0f936b7939ae38b95c7bb8ea2856eef8b70bfe8f9cc9e8d48ced8","isrc":"VNA0F2105372","name":"Cảm Ơn Tổn Thương (Vinahouse)","registered_at":"2026-06-20T12:22:11Z","spotify_id":"4bZbHLV1MPyHKwrofMoJ9X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d10e41545d0f936b7939ae38b95c7bb8ea2856eef8b70bfe8f9cc9e8d48ced8. 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/4bZbHLV1MPyHKwrofMoJ9X.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/4bZbHLV1MPyHKwrofMoJ9X.
{"copyright_id":"0xb1076f750b2959d32c1664e696a33651c3d63843bc48a4f856c45dfe76d30144","isrc":"QMFME2241322","name":"Yêu Một Người Gian Dối - Vinahouse","registered_at":"2026-06-29T06:04:34Z","spotify_id":"7gCssPXLgWH1gjJI3zfYB2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1076f750b2959d32c1664e696a33651c3d63843bc48a4f856c45dfe76d30144. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7gCssPXLgWH1gjJI3zfYB2.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/7gCssPXLgWH1gjJI3zfYB2.
{"copyright_id":"0xd811fa368fa5ea4c33060bb3d6581aef35b82a1998ca64b065d5f88a88c6c03a","isrc":"FR10S2206880","name":"Không Trọn Vẹn Nữa","registered_at":"2026-06-29T06:03:54Z","spotify_id":"5PasDDPGUSGFbQyRhK36MS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd811fa368fa5ea4c33060bb3d6581aef35b82a1998ca64b065d5f88a88c6c03a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5PasDDPGUSGFbQyRhK36MS.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/5PasDDPGUSGFbQyRhK36MS.
{"copyright_id":"0x2ee004b4f9aa2d758100ced77cad7a416dd3f738afa4ccacf20202fdb529bd6b","isrc":"FR59R2216094","name":"Đừng Hẹn Kiếp Sau","registered_at":"2026-06-29T06:02:22Z","spotify_id":"5DHsAJpUpToEYhqxWCkj1F","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee004b4f9aa2d758100ced77cad7a416dd3f738afa4ccacf20202fdb529bd6b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DHsAJpUpToEYhqxWCkj1F.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/5DHsAJpUpToEYhqxWCkj1F.
Tựng Mình Đứng Dậy - Vietlouis X Brobear Remix
Tự Mình Đứng Dậy - DJ Trang Moon Remix Instrumental
Tự Mình Đứng Dậy - Bibo Remix Instrumental
Tự Mình Đứng Dậy - Mike.N Remix Instrumental
Tự Mình Đứng Dậy - Vietlouis X Brobear Remix Instrumental
Tự Mình Đứng Dậy - Andy Remix Instrumental
Tự Mình Đứng Dậy - Ciray Remix Instrumental
Tự Mình Đứng Dậy - Vux Lofi Instrumental
Tự Mình Đứng Dậy - Roller Lofi Instrumental
Người Lạ Thoáng Qua - DJ Trang Moon Remix
Thương Người Chẳng Chịu Thương Em - Live Session
Thương Người Chẳng Chịu Thương Em, Pt.2 - Live Session
Thế Nào Là Tình Yêu Piano - Live Session
Người Thương Em Cả Đời Em Xua Đuổi (Rumba)
Thuỷ Chung - Thanh Huyy Remix Instrumental
Em Nào Có Tội - Quý Nhỏ Remix, Instrumental
{"copyright_id":"0xc0f32638eb890f995fbd900dded98ccf07d8c658a76ac3e05a55110a22af5979","isrc":"US38Y2520861","name":"Không Trọn Vẹn Nữa - Beo Lofi Mix","registered_at":"2026-06-29T06:03:16Z","spotify_id":"5HZyoFvzLFMaBIWm5JDKgx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f32638eb890f995fbd900dded98ccf07d8c658a76ac3e05a55110a22af5979. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5HZyoFvzLFMaBIWm5JDKgx.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/5HZyoFvzLFMaBIWm5JDKgx.
Không Trọn Vẹn Nữa (Beat) [Beo Lofi Mix]
Không Trọn Vẹn Nữa (Beat) - Beo Lofi Mix
Người Thương Em Cả Đời Em Xua Đuổi (Lofi Beat)
Người Thương Em Cả Đời Em Xua Đuổi - Lofi Beat
Người Thương Em Cả Đời Em Xua Đuổi (Lofi)
Người Thương Em Cả Đời Em Xua Đuổi - Lofi
Cà Phê Đắng Tim Em Đau - Việt Mino Remix
Người Lạ Thoáng Qua - Vuhuynh, Thaonguyen Remix 138