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 0x9288c80a8e805307c67ea4bf33bc40eb45ae9fcff7ca91ed3bc5f502687c9a9e. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d1cb2bde-c35e-42d1-bac1-72efae051c59.json and https://artists.proofprofile.net/proofs/artist/d1cb2bde-c35e-42d1-bac1-72efae051c59.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 0x8d63d360f6b4ad2fb44caad484194192de3bf631b6f6b419c6120d22a80f1ca2. 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/3vYXpkqWQ0vwuYk1jzg28l.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/3vYXpkqWQ0vwuYk1jzg28l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abdaa2aa755326502c40049145e0a9949e7e8a6787828834a8013c70fec249c. 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/6pdsVQlPj9As367CNicoTB.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/6pdsVQlPj9As367CNicoTB.
Umdali (feat. Murumba Pitch, Brandon Dhludhlu)
{"copyright_id":"0xc3a3296b45cb9f9eab0cb2174cb2b41039de01cb41ada2297b950b09df7ca6ea","isrc":"ZA56E2315057","name":"Umdali (feat. Murumba Pitch, Brandon Dhludhlu)","registered_at":"2026-06-04T13:08:30Z","spotify_id":"50NiJjKBYIi3JLy71Rx41Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a3296b45cb9f9eab0cb2174cb2b41039de01cb41ada2297b950b09df7ca6ea. 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/50NiJjKBYIi3JLy71Rx41Y.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/50NiJjKBYIi3JLy71Rx41Y.
Njalo (feat. Murumba Pitch, Cnethemba, SGVO)
The Gospel According To Artwork Sounds Chapter II
{"copyright_id":"0x0c2719f2dff05e5b223e7d0121fd859885c6f37dd74dc4b015a3ddc43553e5b8","isrc":"ZA56E2302118","name":"Njalo (feat. Murumba Pitch, Cnethemba, SGVO)","registered_at":"2026-06-05T20:26:38Z","spotify_id":"1aCjMGCMXgP0ANHVEKwSVi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c2719f2dff05e5b223e7d0121fd859885c6f37dd74dc4b015a3ddc43553e5b8. 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/1aCjMGCMXgP0ANHVEKwSVi.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/1aCjMGCMXgP0ANHVEKwSVi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae1d0a078fbeb8c35fda7898f5786122622c8b001439f15937ae8eaa10db892. 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/1HhtCzQa9NMtRcuwNsZpju.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/1HhtCzQa9NMtRcuwNsZpju.
Abuti Wadi Chipi (feat. Murumba Pitch, Zuma & Mzukulu)
{"copyright_id":"0x75893cd402262cb100356258a5fe70952af9807560322c95973dc145478a5620","isrc":"ZAA012200249","name":"Abuti Wadi Chipi (feat. Murumba Pitch, Zuma & Mzukulu)","registered_at":"2026-06-07T07:21:50Z","spotify_id":"1eogPkqnX5sfS8BUbVJAGz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75893cd402262cb100356258a5fe70952af9807560322c95973dc145478a5620. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1eogPkqnX5sfS8BUbVJAGz.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/1eogPkqnX5sfS8BUbVJAGz.
1 000 000 Amapiano Seconds (Kings Of The Surface)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb594928fcc915498696fa8da601323cf43958e9b1faccdd6c8b84c239285cd15. 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/37ADhE4yR8xTqPiQGOsC7O.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/37ADhE4yR8xTqPiQGOsC7O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3b68e1e8a0cdfe1c9c805ca8daa57074dd0de41e3a8a403c15e9fac9c661523. 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/6wYzinfgwI7nwRm7QQ5OW2.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/6wYzinfgwI7nwRm7QQ5OW2.
Duze Kwami (feat. Raspy & Murumba Pitch)
{"copyright_id":"0xb0162354f1c750ee6f6c57520bc8ea8e9f5db8c1a6460d8ea45777a18ea87548","isrc":"ZB1OS2200061","name":"Duze Kwami (feat. Raspy & Murumba Pitch)","registered_at":"2026-06-18T21:02:01Z","spotify_id":"3uKTartSbkPp2TrUwFGout","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0162354f1c750ee6f6c57520bc8ea8e9f5db8c1a6460d8ea45777a18ea87548. 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/3uKTartSbkPp2TrUwFGout.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/3uKTartSbkPp2TrUwFGout.
Ngiyaz fela (feat. Dali & Murumba Pitch)
{"copyright_id":"0xf65a7fe755bc337ad7944d561426a709537bcc3eeb832cb26cc8650d2eb60f2c","isrc":"ZB1OS2200068","name":"Ngiyaz fela (feat. Dali & Murumba Pitch)","registered_at":"2026-06-23T14:38:06Z","spotify_id":"5P45UcBhKGWPCD01paKqJi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65a7fe755bc337ad7944d561426a709537bcc3eeb832cb26cc8650d2eb60f2c. 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/5P45UcBhKGWPCD01paKqJi.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/5P45UcBhKGWPCD01paKqJi.
Visca Vimba (feat. DJ Maphorisa, Murumba Pitch & Daliwonga)
{"copyright_id":"0x3b6f76358750ae6703f0046d18af5d4aa695ee90c4e4b35af215826e6d6d3cac","isrc":"ZB1OS2200062","name":"Visca Vimba (feat. DJ Maphorisa, Murumba Pitch & Daliwonga)","registered_at":"2026-06-23T14:35:24Z","spotify_id":"2Ba1TtMPPuXuJPielfh7Dw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b6f76358750ae6703f0046d18af5d4aa695ee90c4e4b35af215826e6d6d3cac. 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/2Ba1TtMPPuXuJPielfh7Dw.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/2Ba1TtMPPuXuJPielfh7Dw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x353d472303718da0196ba7329eb9ebe1ecf3643da97eeebbab235d52aa443689. 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/0Gmiu85BDcrBK3QDhnzGYD.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/0Gmiu85BDcrBK3QDhnzGYD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e0d628b009f0021f26bbade3dd30e868613a0d9039ca7d83f42f47d54143d6. 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/3m734RbBp4lCHBjMhI2HER.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/3m734RbBp4lCHBjMhI2HER.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74077c28ee117465bf2fde558961aa9f2055d7eb6e1ae812bdf24561fe1d75f2. 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/07aodcyGZOku7S3MJY3sMn.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/07aodcyGZOku7S3MJY3sMn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3b68e1e8a0cdfe1c9c805ca8daa57074dd0de41e3a8a403c15e9fac9c661523. 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/1SIIvRsdXIgy90cf0YLElx.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/1SIIvRsdXIgy90cf0YLElx.
S'vuthela iNumber (feat. Murumba Pitch) - JnrSA Remake
{"copyright_id":"0x0a688519d16610e90afcf4f14ed15e09f83f67681a5814747ce0dff5793d5de9","isrc":"ZA34K2301657","name":"S'vuthela iNumber (feat. Murumba Pitch) - JnrSA Remake","registered_at":"2026-06-27T15:30:20Z","spotify_id":"2JLlha9VBQWnjRsjc9OXu5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a688519d16610e90afcf4f14ed15e09f83f67681a5814747ce0dff5793d5de9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2JLlha9VBQWnjRsjc9OXu5.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/2JLlha9VBQWnjRsjc9OXu5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf842876fa49ed51db9bfa4b758d998733c78164e82fac227a1d7a438bcb3d754. 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/24maH8cFZiBISds1geTzk7.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/24maH8cFZiBISds1geTzk7.