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 0x4efc7719c6a1466fcf6b94e95d7d1abb2109500c77fd41031543416d118f4d66. 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/3487c124-a8e3-4f54-85aa-f36a41a785e3.json and https://artists.proofprofile.net/proofs/artist/3487c124-a8e3-4f54-85aa-f36a41a785e3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x5047345575de359ff8ac5dd9585d8b92f00d21b3ce788e08dd87272da915455d","isrc":"GBWUL1901086","name":"Dancin - Krono Remix","registered_at":"2026-06-01T04:37:07Z","spotify_id":"4IlqQhaxrGPxmg35YcXXuS","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 0x5047345575de359ff8ac5dd9585d8b92f00d21b3ce788e08dd87272da915455d. 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/4IlqQhaxrGPxmg35YcXXuS.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/4IlqQhaxrGPxmg35YcXXuS.
{"copyright_id":"0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245","isrc":"QMLA71400326","name":"Dancin (feat. Luvli) - Krono Remix","registered_at":"2026-06-01T04:02:55Z","spotify_id":"6WkJ2OK163XXS2oARUC9JM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245. 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/6WkJ2OK163XXS2oARUC9JM.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/6WkJ2OK163XXS2oARUC9JM.
{"copyright_id":"0xb8688064e121a095b96118b6bb228cc61e7074ddd128643d770cbc8b13f10cc1","isrc":"ES5022301286","name":"Dancin (feat. Luvli) - Sped Up Version","registered_at":"2026-06-01T16:37:28Z","spotify_id":"4AawZPPdYDoIiYrWU3pgZX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8688064e121a095b96118b6bb228cc61e7074ddd128643d770cbc8b13f10cc1. 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/4AawZPPdYDoIiYrWU3pgZX.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/4AawZPPdYDoIiYrWU3pgZX.
{"copyright_id":"0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245","isrc":"QMLA71400326","name":"Dancin (feat. Luvli) - Krono Remix","registered_at":"2026-06-02T21:27:57Z","spotify_id":"1zFCe5mWCVcy3zjVdj6hKH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245. 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/1zFCe5mWCVcy3zjVdj6hKH.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/1zFCe5mWCVcy3zjVdj6hKH.
Dancin (feat. Luvli) - Danny Avila & Jumpa Remix
Dancin (feat. Luvli) [Danny Avila & Jumpa Remix]
{"copyright_id":"0x69e5f2ba50209a17b8f0c84ca566f071db8d186af7a23b5187ca2af83d324284","isrc":"ES5021900019","name":"Dancin (feat. Luvli) - Danny Avila & Jumpa Remix","registered_at":"2026-06-08T21:10:21Z","spotify_id":"4ljWHW1l7YeQZqtcjtgHSx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69e5f2ba50209a17b8f0c84ca566f071db8d186af7a23b5187ca2af83d324284. 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/4ljWHW1l7YeQZqtcjtgHSx.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/4ljWHW1l7YeQZqtcjtgHSx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061bbd5c62ef0b61071093df12f5f7a45f4dff12c9e48fbee43976023c917354. 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/2flx4440e8FwILh288iX1G.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/2flx4440e8FwILh288iX1G.
Dancin (feat. Luvli) - Zoo Station Club Remix
{"copyright_id":"0xa19383ca966ae28f1cd02ede1d12e03f240a0db47fbaf7118a7ee6907af1ffbf","isrc":"ES5021500242","name":"Dancin (feat. Luvli) - Zoo Station Club Remix","registered_at":"2026-06-11T12:23:55Z","spotify_id":"3iIQ3t7YuFtyWTyfNB2Hzs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19383ca966ae28f1cd02ede1d12e03f240a0db47fbaf7118a7ee6907af1ffbf. 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/3iIQ3t7YuFtyWTyfNB2Hzs.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/3iIQ3t7YuFtyWTyfNB2Hzs.
{"copyright_id":"0xc13f6dfb4a5ffb2415006cb036ed7fa25c57122d547adcfb721f601ceedfd756","isrc":"QMLA71400330","name":"Dancin (feat. Luvli) - Linier Remix","registered_at":"2026-06-06T11:31:34Z","spotify_id":"3os91rpisb64LD1SWHHnvs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc13f6dfb4a5ffb2415006cb036ed7fa25c57122d547adcfb721f601ceedfd756. 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/3os91rpisb64LD1SWHHnvs.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/3os91rpisb64LD1SWHHnvs.
{"copyright_id":"0x3365bd361069f932f36041d13fe9dac971d1bf1e931591dca9fd9aca2cf644fa","isrc":"QMLA71400354","name":"Dancin (feat. Luvli) - Füchse Remix","registered_at":"2026-06-08T21:11:17Z","spotify_id":"6sdNpfwPPAyDpZlHOMvANR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3365bd361069f932f36041d13fe9dac971d1bf1e931591dca9fd9aca2cf644fa. 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/6sdNpfwPPAyDpZlHOMvANR.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/6sdNpfwPPAyDpZlHOMvANR.
Dancin (feat. Luvli) - Krono Extended Remix
{"copyright_id":"0x99f53af51e5b50d88b2593c629761d8ef2e32ccfaca18d09392345a5ef5cd460","isrc":"QMLA71400327","name":"Dancin (feat. Luvli) - Krono Extended Remix","registered_at":"2026-06-04T09:58:41Z","spotify_id":"5o97IsOGSYy67xqIxSprpL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f53af51e5b50d88b2593c629761d8ef2e32ccfaca18d09392345a5ef5cd460. 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/5o97IsOGSYy67xqIxSprpL.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/5o97IsOGSYy67xqIxSprpL.
Dancin (feat. Luvli) - Philip George Remix
{"copyright_id":"0x0d6330f99dc3fabbc79ecfd19cec3466ad12e5aaa98b616e7f6a6e961e26ebb1","isrc":"ES5021500239","name":"Dancin (feat. Luvli) - Philip George Remix","registered_at":"2026-06-20T08:19:16Z","spotify_id":"2jLxGO8FukajZNDvE0rmf4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6330f99dc3fabbc79ecfd19cec3466ad12e5aaa98b616e7f6a6e961e26ebb1. 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/2jLxGO8FukajZNDvE0rmf4.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/2jLxGO8FukajZNDvE0rmf4.
Dancin (feat. Luvli) - Patrick Hagenaar Colour Code Remix
{"copyright_id":"0xdca7912a5f172746cf2548a7adab7919e405abe798881858671afc3878f153bc","isrc":"ES5021500240","name":"Dancin (feat. Luvli) - Patrick Hagenaar Colour Code Remix","registered_at":"2026-06-20T08:20:17Z","spotify_id":"7MYwLsNvA6e9xCFuWY24qo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdca7912a5f172746cf2548a7adab7919e405abe798881858671afc3878f153bc. 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/7MYwLsNvA6e9xCFuWY24qo.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/7MYwLsNvA6e9xCFuWY24qo.
Dancin (feat. Luvli) - The Golden Boy Remix
{"copyright_id":"0xf54dfaecb522cbfc6f17317c3382169489a4d66e51e14a01221c71735925caa5","isrc":"QMLA71400353","name":"Dancin (feat. Luvli) - Keeno Remix","registered_at":"2026-06-18T18:59:55Z","spotify_id":"6s44vnxg18MhaJkpNgcYYT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54dfaecb522cbfc6f17317c3382169489a4d66e51e14a01221c71735925caa5. 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/6s44vnxg18MhaJkpNgcYYT.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/6s44vnxg18MhaJkpNgcYYT.
{"copyright_id":"0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245","isrc":"QMLA71400326","name":"Dancin (feat. Luvli) - Krono Remix","registered_at":"2026-06-01T04:02:54Z","spotify_id":"7e4WUmVRG8wmXJ01avnPfA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245. 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/7e4WUmVRG8wmXJ01avnPfA.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/7e4WUmVRG8wmXJ01avnPfA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2899f52897075fa20d2445f5af1fefd71e966f51035628b63449309caaca72c1. 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/5NkHEvfKh8dOe8D2hCBl2p.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/5NkHEvfKh8dOe8D2hCBl2p.
{"copyright_id":"0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245","isrc":"QMLA71400326","name":"Dancin (feat. Luvli) - Krono Remix","registered_at":"2026-06-01T04:02:55Z","spotify_id":"4EYd2FvVLpTEXcASl4cp9g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d190cf60d56e7addc8fcdb5c29ac4c351f9657d84173605b59a9a659df2245. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4EYd2FvVLpTEXcASl4cp9g.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/4EYd2FvVLpTEXcASl4cp9g.