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 0x2df4211124a0156e674e33e097010636d5d91b108f0e03407236bd692324fde7. 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/4440aa72-dd7a-43ce-8705-f448bd3ec663.json and https://artists.proofprofile.net/proofs/artist/4440aa72-dd7a-43ce-8705-f448bd3ec663.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
So Em Teus Bracos - Soh Ayng Tbush Brah-Soos
Boys and Girls Come out to Play - Single
Sofia the First Main Title Theme - From "Sofia the First"
{"copyright_id":"0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd","isrc":"USWD11264594","name":"Sofia the First Main Title Theme - From \"Sofia the First\"","registered_at":"2026-06-01T20:05:58Z","spotify_id":"3dfpZwSuosIuFqksY0F6gT","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 0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3dfpZwSuosIuFqksY0F6gT.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/3dfpZwSuosIuFqksY0F6gT.
{"copyright_id":"0xffded04ab6d6a56b0408af1082006780d661acdb98f27b08595bb020de30ee0b","isrc":"USWD11467148","name":"Friendship Is the Formula","registered_at":"2026-06-18T04:40:58Z","spotify_id":"0Rwd7u56MxYSjteLpCnd1C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffded04ab6d6a56b0408af1082006780d661acdb98f27b08595bb020de30ee0b. 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/0Rwd7u56MxYSjteLpCnd1C.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/0Rwd7u56MxYSjteLpCnd1C.
{"copyright_id":"0xc7e3e84c5ad94b17c2b1cb27fd5c766edaafa5ba68a92543ca390781a9e6812e","isrc":"USWD11467147","name":"Hoppin' Out With You","registered_at":"2026-06-22T07:06:01Z","spotify_id":"3E7OxgFgSWV9pKaE0D7hTn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7e3e84c5ad94b17c2b1cb27fd5c766edaafa5ba68a92543ca390781a9e6812e. 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/3E7OxgFgSWV9pKaE0D7hTn.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/3E7OxgFgSWV9pKaE0D7hTn.
{"copyright_id":"0x74b569aefd30da587808cf9c44b45f7a656c4d152e716c4c02df2408b5d72b2d","isrc":"USWD11468963","name":"Vereint geht’s besser","registered_at":"2026-06-24T22:17:08Z","spotify_id":"0utt4YDlvH0DidFgDaC25T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b569aefd30da587808cf9c44b45f7a656c4d152e716c4c02df2408b5d72b2d. 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/0utt4YDlvH0DidFgDaC25T.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/0utt4YDlvH0DidFgDaC25T.
{"copyright_id":"0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd","isrc":"USWD11264594","name":"Sofia the First Main Title Theme - From \"Sofia the First\"","registered_at":"2026-06-01T20:05:58Z","spotify_id":"0cubetELf73EVGb9mSeiHL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0cubetELf73EVGb9mSeiHL.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/0cubetELf73EVGb9mSeiHL.
{"copyright_id":"0x93c1819babd6b4fa251601f3fd1552f4e1eb19945c119763f1123fa4de170b47","isrc":"USWD11469667","name":"Play With Us - From \"Sofia the First\"","registered_at":"2026-06-07T09:28:08Z","spotify_id":"7zMbUVtmADgU3hAUk6GFjb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93c1819babd6b4fa251601f3fd1552f4e1eb19945c119763f1123fa4de170b47. 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/7zMbUVtmADgU3hAUk6GFjb.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/7zMbUVtmADgU3hAUk6GFjb.
Believe in Your Dream - From "Sofia the First"
{"copyright_id":"0xce0a5ae652b8ae28e16d3cae20324b45df00cc2d1156728f04ba0da9da323b4c","isrc":"USWD11469668","name":"Believe in Your Dream - From \"Sofia the First\"","registered_at":"2026-06-07T09:28:26Z","spotify_id":"7w35ABI69lIJVHkeOvrtz9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0a5ae652b8ae28e16d3cae20324b45df00cc2d1156728f04ba0da9da323b4c. 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/7w35ABI69lIJVHkeOvrtz9.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/7w35ABI69lIJVHkeOvrtz9.
Disney Junior Music Dance Party! The Album
{"copyright_id":"0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd","isrc":"USWD11264594","name":"Sofia the First Main Title Theme - From \"Sofia the First\"","registered_at":"2026-06-01T20:05:58Z","spotify_id":"7dTWPxlhMSMYaxwqnHhg1r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd. 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/7dTWPxlhMSMYaxwqnHhg1r.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/7dTWPxlhMSMYaxwqnHhg1r.
Vulgo Fechação (feat. Kamylinha Santos & Sofia)
{"copyright_id":"0xd6c04145ff8d1d086d9882e6ccea21d9c3d4e1b9929b8e9b186da3cb6d7bc812","isrc":"QZEQU2136649","name":"Vulgo Fechação (feat. Kamylinha Santos & Sofia)","registered_at":"2026-06-20T06:26:42Z","spotify_id":"5jklDnMAXVDQwsoDfnLCS7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6c04145ff8d1d086d9882e6ccea21d9c3d4e1b9929b8e9b186da3cb6d7bc812. 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/5jklDnMAXVDQwsoDfnLCS7.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/5jklDnMAXVDQwsoDfnLCS7.
{"copyright_id":"0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd","isrc":"USWD11264594","name":"Sofia the First Main Title Theme - From \"Sofia the First\"","registered_at":"2026-06-01T20:05:58Z","spotify_id":"0VAyasNXrPAf5t0xLytZi8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc801b7a3bcc80bc80927d7c423fe0c38e7c79c26a2271ae911d4c83aacee3bdd. 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/0VAyasNXrPAf5t0xLytZi8.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/0VAyasNXrPAf5t0xLytZi8.