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 0x573566d0429d92623925d8b083ff0a7f8b3e43602093212b74d46364310dc9f4. 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/f408fdfc-a79b-42b3-8895-8a0b2216037d.json and https://artists.proofprofile.net/proofs/artist/f408fdfc-a79b-42b3-8895-8a0b2216037d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xf09c1fe915fef5febf59ac0db0243a5b515d3bd2ed92991e7f12a174862f4cee","isrc":"ZA82Y2000168","name":"Mang' Dakiwe (feat. Leon Lee)","registered_at":"2026-06-04T16:04:35Z","spotify_id":"5GQBwXjTLOyAeKROvGnYiN","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 0xf09c1fe915fef5febf59ac0db0243a5b515d3bd2ed92991e7f12a174862f4cee. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5GQBwXjTLOyAeKROvGnYiN.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/5GQBwXjTLOyAeKROvGnYiN.
{"copyright_id":"0xf09c1fe915fef5febf59ac0db0243a5b515d3bd2ed92991e7f12a174862f4cee","isrc":"ZA82Y2000168","name":"Mang' Dakiwe (feat. Leon Lee)","registered_at":"2026-06-04T16:04:35Z","spotify_id":"2uHImha8ZRh5gDQAsCzcle","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf09c1fe915fef5febf59ac0db0243a5b515d3bd2ed92991e7f12a174862f4cee. 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/2uHImha8ZRh5gDQAsCzcle.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/2uHImha8ZRh5gDQAsCzcle.
{"copyright_id":"0xc72d4e568e446cf3139a3d2e387d837a131c5000a2192bc7834df8f2e1c1b48f","isrc":"ZA82Y2000190","name":"Todii (feat. Mr Brown & Prince Benza)","registered_at":"2026-06-10T07:02:15Z","spotify_id":"2CrKmMYQZYSuuOBsEx8JsW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72d4e568e446cf3139a3d2e387d837a131c5000a2192bc7834df8f2e1c1b48f. 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/2CrKmMYQZYSuuOBsEx8JsW.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/2CrKmMYQZYSuuOBsEx8JsW.
{"copyright_id":"0xcc194a5c15b5350c4f6fe1b6d286a5e55ad80d45947d9be6f929ca5aaa23db1f","isrc":"ZA82Y2000191","name":"I need your tatch (feat. Soul Kulture)","registered_at":"2026-06-22T08:28:16Z","spotify_id":"7xfNKQWHJvdXlPXrNgQOzX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc194a5c15b5350c4f6fe1b6d286a5e55ad80d45947d9be6f929ca5aaa23db1f. 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/7xfNKQWHJvdXlPXrNgQOzX.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/7xfNKQWHJvdXlPXrNgQOzX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774aa1abf2a4cbb9a0092d387e5e390a4471f38902ab9d4594ec9635c3ca9414. 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/15oJ7edT8e8vuu7yLGqMJV.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/15oJ7edT8e8vuu7yLGqMJV.
{"copyright_id":"0xdae0807de42763bb7c44c9032cd9f3c76aae355c3b642ce137675f2bc9d7aef5","isrc":"ZA82Y2000193","name":"Bambelela (feat. Sphiwe)","registered_at":"2026-06-09T20:32:50Z","spotify_id":"5xYLuOQOmUYViO1xYiGi3y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae0807de42763bb7c44c9032cd9f3c76aae355c3b642ce137675f2bc9d7aef5. 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/5xYLuOQOmUYViO1xYiGi3y.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/5xYLuOQOmUYViO1xYiGi3y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b8beddf44e29c17540d2ec8a3d2b7931d849ac5f217cec48abf59b9f7d4231a. 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/7EJPqUb6rRqNiJ0jtwlaGV.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/7EJPqUb6rRqNiJ0jtwlaGV.
{"copyright_id":"0x94b15da69fe695fcbadabe85dd20cc863969d75a47ac005e036ba3deddb04e12","isrc":"ZA82Y2000196","name":"Road to Vigro - Instrumental","registered_at":"2026-06-10T21:09:24Z","spotify_id":"039RlZErD6CgxBMRsoLBTJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b15da69fe695fcbadabe85dd20cc863969d75a47ac005e036ba3deddb04e12. 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/039RlZErD6CgxBMRsoLBTJ.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/039RlZErD6CgxBMRsoLBTJ.
{"copyright_id":"0x53ad7270cc78f6fa2289d376ca427ed1ad33ee90c3623547a13fa2c0bbef40d7","isrc":"ZA82Y2000197","name":"Baby Don't Lie (feat. Leon Lee)","registered_at":"2026-06-11T18:23:04Z","spotify_id":"1PslYQ6er3aJIMh1lmbB1m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ad7270cc78f6fa2289d376ca427ed1ad33ee90c3623547a13fa2c0bbef40d7. 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/1PslYQ6er3aJIMh1lmbB1m.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/1PslYQ6er3aJIMh1lmbB1m.
{"copyright_id":"0x628efc7cbfd88de0bc6783b0c5b1fc9f7a43aab39ddcdc739966ae3427f260f4","isrc":"ZA82Y2000201","name":"Lihle Izulu (feat. Soul Kulture)","registered_at":"2026-06-21T18:47:22Z","spotify_id":"2NFltpA7NzulRpLhM5NH6e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628efc7cbfd88de0bc6783b0c5b1fc9f7a43aab39ddcdc739966ae3427f260f4. 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/2NFltpA7NzulRpLhM5NH6e.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/2NFltpA7NzulRpLhM5NH6e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0b5b18268fa7564a45a9e7c9e4d25da135feb4acb6d6cf439b86ec92785f39. 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/3vPTA5dwgw9QbZubqBJ0fb.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/3vPTA5dwgw9QbZubqBJ0fb.
Idlozi Lami (feat. Nkosazana and DJ FreeTz)
Mang'Dakiwe Remix (feat. Dj Obza, Bongo Beats, Makhadzi, Leon Lee and Mr Brown)
{"copyright_id":"0xb1d48db83f7e7612de1046f8bf80f0ab25d1b39252b5c14b9bf7fcb53134fda8","isrc":"ZA82Y2100046","name":"Mang'Dakiwe Remix (feat. Dj Obza, Bongo Beats, Makhadzi, Leon Lee and Mr Brown)","registered_at":"2026-06-08T03:49:16Z","spotify_id":"5wtaXrrmoyCfCQQfI2xbYx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1d48db83f7e7612de1046f8bf80f0ab25d1b39252b5c14b9bf7fcb53134fda8. 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/5wtaXrrmoyCfCQQfI2xbYx.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/5wtaXrrmoyCfCQQfI2xbYx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202a7630f300c7c390236a03c4af16d2a095bc7a2e61e7062917cae81e8eb833. 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/4RqgdKABroNbhvxJElDBUO.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/4RqgdKABroNbhvxJElDBUO.
Uthando Lwami (feat. Mduduzi Ncube and Mvzzle)
Sthandwa'sam (feat. Mthandazo Gatya and Dj Gizo)
{"copyright_id":"0x53e98b3d29a39eb72c413ff45563b1cfbdd1db45d86baafefee273296611b9f7","isrc":"ZA82Y2100345","name":"Sthandwa'sam (feat. Mthandazo Gatya and Dj Gizo)","registered_at":"2026-06-11T17:32:34Z","spotify_id":"6joHa6cPpEhaD8TKSfXARw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e98b3d29a39eb72c413ff45563b1cfbdd1db45d86baafefee273296611b9f7. 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/6joHa6cPpEhaD8TKSfXARw.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/6joHa6cPpEhaD8TKSfXARw.
{"copyright_id":"0xa73621a95f0df1e1453def6683cb12a4edf5b2ef2dc5f781707524dfd82782a9","isrc":"ZA82Y2100346","name":"Ngixolele (feat. Leon Lee)","registered_at":"2026-06-18T05:48:47Z","spotify_id":"5MBFpg2OXGgG6gwfWZEmCA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa73621a95f0df1e1453def6683cb12a4edf5b2ef2dc5f781707524dfd82782a9. 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/5MBFpg2OXGgG6gwfWZEmCA.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/5MBFpg2OXGgG6gwfWZEmCA.
{"copyright_id":"0xa48f1331c470539a3fc7618af0f6f3bd21bbd80234c5fa19291ce7f83ccf5955","isrc":"ZA82Y2100296","name":"Uthando Lwami (feat. Mduduzi Ncube and Mvzzle)","registered_at":"2026-06-06T12:58:37Z","spotify_id":"4y7TMOsoF0rfSLEv6SK5Gh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa48f1331c470539a3fc7618af0f6f3bd21bbd80234c5fa19291ce7f83ccf5955. 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/4y7TMOsoF0rfSLEv6SK5Gh.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/4y7TMOsoF0rfSLEv6SK5Gh.
Uzobuya (feat. Koki Riba and Muungu Queen)
{"copyright_id":"0x75c00f13c28efba389137c100981fd30b4bdbb07667b276932ec9e571a447b95","isrc":"ZA82Y2100347","name":"Uzobuya (feat. Koki Riba and Muungu Queen)","registered_at":"2026-06-10T21:00:56Z","spotify_id":"7oPfcBQAMAajFv6L2XX9a0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c00f13c28efba389137c100981fd30b4bdbb07667b276932ec9e571a447b95. 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/7oPfcBQAMAajFv6L2XX9a0.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/7oPfcBQAMAajFv6L2XX9a0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04ff6eda9d8bf9150419369b3dc93a8f6b789962eb14a872939b8cd51ba0869. 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/1SaNMMJQmTgSrunz715hXV.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/1SaNMMJQmTgSrunz715hXV.
Lazaro (Muteuro) [feat. Gemvalley Musiq and Mr Brown]
{"copyright_id":"0x97fbdd72befd4bc9361c3d35d209713a65e851719f033851f85a9fedd0bdffbd","isrc":"ZA82Y2100356","name":"Ithonga (feat. Drip Gogo)","registered_at":"2026-06-04T14:09:41Z","spotify_id":"5967kTlojanMsRqQOETKAl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97fbdd72befd4bc9361c3d35d209713a65e851719f033851f85a9fedd0bdffbd. 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/5967kTlojanMsRqQOETKAl.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/5967kTlojanMsRqQOETKAl.
Mthobi Wenhliziyo (feat. DJ Gizo, DJ Mboniiey & Khalil Black)
Nthwe Sharp (feat. Leon Lee & Anjelic Voices)
Hamba Juba (feat. Bongo Beats & CHARLOTTE LYF)
Sivusa Abalele (feat. Nkosazana & Master KG)
Parake (feat. Pat Medina & SlayZee MuziQ)
Bohlale 2.0 (feat. De Fenix, The Real Yano & Nxani Rsa)
Impilo (feat. Bongo Beats, Lady Sphesh, Vocal Musiq & Ntsako Ree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d95f2fffe8ef25372825806cf5a9bcf8839bc7d4dfbc1b021166e22956de0c0. 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/4nCXMviwBEbP5JhiJchflP.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/4nCXMviwBEbP5JhiJchflP.