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 0xc61981c251c6df4568e397d97326edcce73a10829b1fa05ca3f80c2defe88295. 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/049266d6-b718-470d-bb98-95a495c566eb.json and https://artists.proofprofile.net/proofs/artist/049266d6-b718-470d-bb98-95a495c566eb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quên Anh Em Mới Có Hạnh Phúc (Mất Trí Nhớ, Pt. 2)
Chi Con Lai Day - Ho Quang Hieu ft Chi Dan
Chieu Nay Khong Co Mua Bay Trung Quan Idol
Mashup Mua Phi Truong Mua Buon Live Hoa Am Anh Sang 2016 Trung Quan Idol
Mashup Trot Yeu Dau Mua Live Hoa Am Anh Sang 2016 Trung Quan Idol DJ Huy DX (1)
The Gioi Thu 4 Tu (Tu Yeu Chinh Minh) Beat
Quen Anh Em Moi Co Hanh Phuc - Mat Tri Nho, Pt. 2
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 0x95988ea65e0dabcb18a6d65a2d178b7644987b94dc12f62c6813946f36a5df62. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hTaYqhJ3gEmv9DCpNLqU0.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/7hTaYqhJ3gEmv9DCpNLqU0.
{"copyright_id":"0xd72eb56a19defd7193cb1c4715e6c5dbf3db703af523a5e44d5c4af60b52f88d","isrc":"VNA0F1781464","name":"Đêm giao thừa nghe khúc dân ca","registered_at":"2026-06-27T04:56:09Z","spotify_id":"0GSrvOiEMYsCUnTQPwcAXi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72eb56a19defd7193cb1c4715e6c5dbf3db703af523a5e44d5c4af60b52f88d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GSrvOiEMYsCUnTQPwcAXi.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/0GSrvOiEMYsCUnTQPwcAXi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfe77bef67d0e975b55056d0a0607b994de4e1f7f7f11f172aa3dfb420a27a79. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0MhLaaIep8UU4jAxa3Nk8U.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/0MhLaaIep8UU4jAxa3Nk8U.
{"copyright_id":"0xaf433ffde9091d18dd89d846ab08971cc29ae1bc3983e52e942c6fce27e84082","isrc":"VNA0F1781469","name":"LK : Mùa xuân ơi - Long phụng xum vầy","registered_at":"2026-06-23T07:38:19Z","spotify_id":"2HFLUTwOIw6P6ZAMjpu83G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf433ffde9091d18dd89d846ab08971cc29ae1bc3983e52e942c6fce27e84082. 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/2HFLUTwOIw6P6ZAMjpu83G.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/2HFLUTwOIw6P6ZAMjpu83G.
Anh Không Sao Đâu (Gameshow Sao Là Sao Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb98aba8fe2c2f5c4999a46cccf9fd0f946b6c4bee265dda0d37abb6f96e45c97. 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/4JybIY2QrwMYiSnno5luaV.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/4JybIY2QrwMYiSnno5luaV.
Mashup Tình Em Mùa Xuân/Hãy Mang Đến Những Mùa Xuân
Anh Ba Khía - Gameshow Sao Là Sao Version
Anh Muốn Em Sống Sao - Gameshow Sao Là Sao Version
Hãy Tha Thứ Cho Anh - Gameshow Sao Là Sao Version
Lại Gần Hôn Anh - Gameshow Sao Là Sao Version
Sự Thật Không Như Mong Đợi (Avatar Remix)
Careless Whisper (Lời Thì Thầm Vụng Dại) - Live At Chi Dân
Túp Lều Lý Tưởng - Hai Mươi Bốn Mươi - Live At Chi Dân
Người Tôi Yêu - Live Concert Bài Hát Đầu Tiên
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80cf54bec94356c7536719424b49534a1e5ded34b824ed3775f78755af9c65b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tCEQcPMpAAhn6Or1VhArU.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/4tCEQcPMpAAhn6Or1VhArU.
{"copyright_id":"0xf0a0205414e6a42d04fbde661fc12ddfbe7c4a51b3d1b720cadc94911e4ac26e","isrc":"FRX282113098","name":"Nơi Ấy Con Tìm Về","registered_at":"2026-06-08T05:22:25Z","spotify_id":"2CiiNLAYAUaclTLPO0rKKk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a0205414e6a42d04fbde661fc12ddfbe7c4a51b3d1b720cadc94911e4ac26e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CiiNLAYAUaclTLPO0rKKk.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/2CiiNLAYAUaclTLPO0rKKk.
{"copyright_id":"0x8ef5568d9152bc36339dadd284feebe47922a616a7907da9f3ce50e6cd38b0d8","isrc":"DGA0P2440406","name":"Quên Anh Em Mới Có Hạnh Phúc","registered_at":"2026-06-24T21:26:26Z","spotify_id":"4IzaSIeL0s0IzM35D1e29R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef5568d9152bc36339dadd284feebe47922a616a7907da9f3ce50e6cd38b0d8. 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/4IzaSIeL0s0IzM35D1e29R.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/4IzaSIeL0s0IzM35D1e29R.