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 0x317d80e6e7f2e0737b97d496d2341196fa76782437f544b07841382d4ada0f4b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3155c2f-e9be-41ae-9803-489c35bc8af4.json and https://artists.proofprofile.net/proofs/artist/c3155c2f-e9be-41ae-9803-489c35bc8af4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xb329b500f1e0241824dd1e682be9df92e04046788a060dfa398204ededb8246a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tDEr14VVwfIpXQM0jWfdt.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/4tDEr14VVwfIpXQM0jWfdt.
Áng Trời Nhẹ Tênh Thương Hòn Mây Mãi Không Với Được Remix - Mây Remix Hot Trend (TLee Remix)
Mây Hòa Theo Gió Có Người Đơn Phương Remix - Mây (Zeke Remix )
Gió (Speedup Remix) - Gió Mang Hương Về Giờ Em Về Đây Speed Up (Thanh Huyy Remix)
tôi ngỡ tình ta xanh ngát trời xuân đâu biết ngày đông (gió slowed)
tôi ngỡ tình ta xanh ngát trời xuân đâu biết (gió speed up)
{"copyright_id":"0x1ed9c5599cdd08b04d28dabdb6ce0597d7c54381e008c56fa5dc24f7443cad0b","isrc":"VNA0F2308395","name":"tôi ngỡ tình ta xanh ngát trời xuân đâu biết (gió speed up)","registered_at":"2026-06-20T13:02:38Z","spotify_id":"5OTg3x50vhWM9CCRGIkdVG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed9c5599cdd08b04d28dabdb6ce0597d7c54381e008c56fa5dc24f7443cad0b. 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/5OTg3x50vhWM9CCRGIkdVG.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/5OTg3x50vhWM9CCRGIkdVG.
tôi ngỡ tình ta xanh ngát trời xuân đâu biết (gió slowed)
gió mang hương về giờ em ở đâu (gió speed up)
{"copyright_id":"0x836d418eecd12d78eec394e17b35afb5e5eb293ca8d7f11d5f9275b0834dea3b","isrc":"VNA0F2308399","name":"Gió x Đom Đóm (Mashup)","registered_at":"2026-06-18T20:45:44Z","spotify_id":"0zkOg5zKALPBGks1xRU4GC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836d418eecd12d78eec394e17b35afb5e5eb293ca8d7f11d5f9275b0834dea3b. 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/0zkOg5zKALPBGks1xRU4GC.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/0zkOg5zKALPBGks1xRU4GC.
{"copyright_id":"0xcb4bd02e01d1856b458d5be9d900f2c0ac70ec610eb4b298baca7d1e18b75c92","isrc":"VNA0F2308400","name":"Gió x Anh Sẽ Đợi (Mashup)","registered_at":"2026-06-06T05:34:16Z","spotify_id":"2meEJZpBNVSKDzjREPR1zN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb4bd02e01d1856b458d5be9d900f2c0ac70ec610eb4b298baca7d1e18b75c92. 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/2meEJZpBNVSKDzjREPR1zN.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/2meEJZpBNVSKDzjREPR1zN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x146f395c77e5a7ed0347e77db6665830f9cbbd6948afd72eb352b2b1068a0e8c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4TTMaujngQsVSVzSV1Ajk3.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/4TTMaujngQsVSVzSV1Ajk3.
Skill Yourself (feat. Ronnin, Jank, Ace & DJ Vilaz)