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 0x3acbe202ef5b49cf45a328e18559debf44b72fd3eddade871a9411cd2bb245a2. 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/7b94e0bb-19fb-4e8d-a2dc-de02128284fd.json and https://artists.proofprofile.net/proofs/artist/7b94e0bb-19fb-4e8d-a2dc-de02128284fd.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 0xa9bdc24c67fd7836bbecfc1b256b71d6bb8972c81d5dffe94dcf23834169c89b. 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/4LbxKvqzh4qLXE58aoHIbJ.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/4LbxKvqzh4qLXE58aoHIbJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef93ae0c7a0c9510e988002a88018d278764b31a8d87e08d45d98b3fb1c1fe3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Gt6f7eFnYLMnIgEJDJySD.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/5Gt6f7eFnYLMnIgEJDJySD.
Ngwana Daddy (feat. Kwesta, Thebe, Vettys & Vaal Nation)
4 The Kulture (feat. Busiswa & Mdu Masilela)
Piki Piki (feat. Cassper Nyovest & Kaylow)
{"copyright_id":"0x3e61da50f17d6ba6fe639a0f2aa6556960cc3c21bbf5f74dfd390f7504c223bc","isrc":"ZAA011900230","name":"Piki Piki (feat. Cassper Nyovest & Kaylow)","registered_at":"2026-06-10T16:03:29Z","spotify_id":"2wusY9SHSYS34zgFFSNRuQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e61da50f17d6ba6fe639a0f2aa6556960cc3c21bbf5f74dfd390f7504c223bc. 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/2wusY9SHSYS34zgFFSNRuQ.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/2wusY9SHSYS34zgFFSNRuQ.
Tonight (feat. Holly Rey & Mdu Masilela)
{"copyright_id":"0xc7cef2371c610e9e8a8711dce96d6cb7732f24744c129692757f9e1b7c2e937f","isrc":"ZAA011900097","name":"Ngwana Daddy (feat. Kwesta, Thebe, Vettys & Vaal Nation)","registered_at":"2026-06-10T16:02:24Z","spotify_id":"2UXkXGHil9uSCzwtxgC7Kf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7cef2371c610e9e8a8711dce96d6cb7732f24744c129692757f9e1b7c2e937f. 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/2UXkXGHil9uSCzwtxgC7Kf.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/2UXkXGHil9uSCzwtxgC7Kf.
{"copyright_id":"0x6c581d35577832402c6acfddcf2df03e24d22e13e672988b400f079d7771f0af","isrc":"ZAA011900233","name":"4 The Kulture (feat. Busiswa & Mdu Masilela)","registered_at":"2026-06-21T20:37:05Z","spotify_id":"20BqsWpjxp1KzBbpM9CqMG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c581d35577832402c6acfddcf2df03e24d22e13e672988b400f079d7771f0af. 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/20BqsWpjxp1KzBbpM9CqMG.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/20BqsWpjxp1KzBbpM9CqMG.
Suk'emabhozeni (feat. Londie London & Leehleza)
{"copyright_id":"0x4377676e918257d02ca03b80c97c77fc6845e2c8959c4f0dfaead04144dc1c82","isrc":"ZAA011900235","name":"Suk'emabhozeni (feat. Londie London & Leehleza)","registered_at":"2026-06-06T16:32:45Z","spotify_id":"0vazSdtpIB2opHQA1SabMB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4377676e918257d02ca03b80c97c77fc6845e2c8959c4f0dfaead04144dc1c82. 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/0vazSdtpIB2opHQA1SabMB.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/0vazSdtpIB2opHQA1SabMB.
Monate Mpolaye (feat. Cassper Nyovest, Thebe & Vettys)
{"copyright_id":"0x6ef93ae0c7a0c9510e988002a88018d278764b31a8d87e08d45d98b3fb1c1fe3","isrc":"ZAXI51800001","name":"Monate Mpolaye (feat. Cassper Nyovest, Thebe & Vettys)","registered_at":"2026-06-04T14:42:49Z","spotify_id":"0Z2yuqm4cHFqlVKIp8M7GK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef93ae0c7a0c9510e988002a88018d278764b31a8d87e08d45d98b3fb1c1fe3. 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/0Z2yuqm4cHFqlVKIp8M7GK.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/0Z2yuqm4cHFqlVKIp8M7GK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9269997746f9170ff77266b10aa1d14b08c1500759b339cb99f7e9719705df5c. 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/2wc61wD3sj2yW5wGDr5Bsq.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/2wc61wD3sj2yW5wGDr5Bsq.
4 The Kulture (Radio edit) (feat. Busiswa & Mdu Masilela)
Suk'emabhozeni (Radio edit) (feat. Londie London & Leehleza)
{"copyright_id":"0xb44013f428b5384dfb96106633f5d13e4c7647250250352b1510713da75a9960","isrc":"ZAA011900246","name":"Suk'emabhozeni (Radio edit) (feat. Londie London & Leehleza)","registered_at":"2026-06-21T02:04:00Z","spotify_id":"64FJ5JI5hDtMAH8K6MhLNV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb44013f428b5384dfb96106633f5d13e4c7647250250352b1510713da75a9960. 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/64FJ5JI5hDtMAH8K6MhLNV.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/64FJ5JI5hDtMAH8K6MhLNV.
Tonight (Radio edit) (feat. Holly Rey & Mdu Masilela)
Top Level (feat. Kamo Mphela & The Lowkeys)
Top Level (feat. Kamo Mphela & The Lowkeys) - Radio Edit
Azul (feat. Bean RSA, Prime De 1st & Big Nuz)
Azul (feat. Bean RSA, Prime De 1st & Big Nuz) - Radio Edit
{"copyright_id":"0x566d27af0df163f6ce81153ba178f62e4e92002fa75b8af0003c0f209fc446dd","isrc":"ZAA012200386","name":"Azul (feat. Bean RSA, Prime De 1st & Big Nuz) - Radio Edit","registered_at":"2026-06-29T05:47:29Z","spotify_id":"58zzWqZRPtFZGMzhUorMfd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566d27af0df163f6ce81153ba178f62e4e92002fa75b8af0003c0f209fc446dd. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58zzWqZRPtFZGMzhUorMfd.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/58zzWqZRPtFZGMzhUorMfd.
Sumbody Nice (feat. Murumba Pitch & Junior Taurus)
Thandi Zinto (feat. Aymos, Bean RSA & Junior Taurus)
Tjukutja (feat. Abidoza, Tumza D'kota & SjavasDaDeejay)