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 0x9461d55066fd183c0da8b052de01fcfed04469686c81690aac938de0d630bb01. 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/8c728da1-6487-4ae1-9c9e-c60fc3748701.json and https://artists.proofprofile.net/proofs/artist/8c728da1-6487-4ae1-9c9e-c60fc3748701.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nỗi Buồn Rơi Dưới Gót Giày - From "One Way Dandelion"
Sài Gòn Chiều Nay Có Mưa Bay (Aucoustic Version)
Sài Gòn Chiều Nay Có Mưa Bay - Aucoustic Version
Buồn Không Em / Nếu Em Ở Lại - Live At Drunk On Music
{"copyright_id":"0xd0bf1177092f1da7b1c5b548a9d23bd64107384175aa5009700aa3923eca12ae","isrc":"FRX452219174","name":"Buồn Không Em / Nếu Em Ở Lại - Live At Drunk On Music","registered_at":"2026-06-08T14:39:34Z","spotify_id":"6cAcDNGnworYQ4b61qtdPD","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 0xd0bf1177092f1da7b1c5b548a9d23bd64107384175aa5009700aa3923eca12ae. 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/6cAcDNGnworYQ4b61qtdPD.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/6cAcDNGnworYQ4b61qtdPD.
Đường Một Chiều - Live At Drunk On Music
{"copyright_id":"0x8c6ac37316771dcf249924329198f83734855ab3e0cc6af9adc092102b8bac29","isrc":"FRX452219175","name":"Đường Một Chiều - Live At Drunk On Music","registered_at":"2026-06-07T09:20:40Z","spotify_id":"7wWGjgCkHmd8dOs8xneZfy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6ac37316771dcf249924329198f83734855ab3e0cc6af9adc092102b8bac29. 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/7wWGjgCkHmd8dOs8xneZfy.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/7wWGjgCkHmd8dOs8xneZfy.
Nỗi Buồn Rơi Dưới Gót Giày - Live At Drunk On Music
{"copyright_id":"0x31683912c20162635eade725c344611063f8d70e8c5c9c30412840b301be5b97","isrc":"FRX452219176","name":"Nỗi Buồn Rơi Dưới Gót Giày - Live At Drunk On Music","registered_at":"2026-06-18T05:57:13Z","spotify_id":"0ykh93HvKq9mY2P55jZqUo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31683912c20162635eade725c344611063f8d70e8c5c9c30412840b301be5b97. 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/0ykh93HvKq9mY2P55jZqUo.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/0ykh93HvKq9mY2P55jZqUo.
{"copyright_id":"0x9801dce10644505a7afc7671786f476babf2eb8fe75a233fef05583ac40cdbb1","isrc":"FRX452219177","name":"Anh Ơi Ở Lại - Live At Drunk On Music","registered_at":"2026-06-08T05:55:34Z","spotify_id":"7kEjvQfqZvUvyYeuqlrugS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9801dce10644505a7afc7671786f476babf2eb8fe75a233fef05583ac40cdbb1. 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/7kEjvQfqZvUvyYeuqlrugS.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/7kEjvQfqZvUvyYeuqlrugS.
Đừng Quên Tên Anh - Live At Drunk On Music
{"copyright_id":"0x2ff513427b11fe8cbc143220419a42712f7e1baaa1214a1d9580ef388a929f60","isrc":"FRX452219180","name":"Đừng Quên Tên Anh - Live At Drunk On Music","registered_at":"2026-06-10T01:13:11Z","spotify_id":"6gbhroOZS16o8i1nNXDM8f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ff513427b11fe8cbc143220419a42712f7e1baaa1214a1d9580ef388a929f60. 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/6gbhroOZS16o8i1nNXDM8f.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/6gbhroOZS16o8i1nNXDM8f.
Giọt Buồn Để Lại - Live At Drunk On Music
{"copyright_id":"0xed73c416c26cb4182ec632749101487570577729d5b619b347c4835074f50acb","isrc":"FRX452219183","name":"Giọt Buồn Để Lại - Live At Drunk On Music","registered_at":"2026-06-23T16:15:50Z","spotify_id":"15T9dVkSUwxTlookSXzsZl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed73c416c26cb4182ec632749101487570577729d5b619b347c4835074f50acb. 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/15T9dVkSUwxTlookSXzsZl.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/15T9dVkSUwxTlookSXzsZl.