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 0x526a0085235b9059a110e927fa3230d2613d56eb42449df773ef8c2d29d820cb. 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/addeb81c-f622-4bb1-8a04-951da0ba1b11.json and https://artists.proofprofile.net/proofs/artist/addeb81c-f622-4bb1-8a04-951da0ba1b11.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1 000 000 Amapiano Seconds (Kings Of The Surface)
{"copyright_id":"0xce673f47e51e49fd5480875ec1a9d3a23af9b2d4454fe8697835e38ded9f26a1","isrc":"ZAE3A2100056","name":"Izintombi - Intro","registered_at":"2026-06-23T13:15:18Z","spotify_id":"5cNus0A0oCZkKyMPDuVgWx","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 0xce673f47e51e49fd5480875ec1a9d3a23af9b2d4454fe8697835e38ded9f26a1. 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/5cNus0A0oCZkKyMPDuVgWx.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/5cNus0A0oCZkKyMPDuVgWx.
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.
{"copyright_id":"0xf85f8b7bdf93687f8998c310e8562a8de76cb452e5e725afe856a693216e8751","isrc":"ZAE3A2100058","name":"Everything Happens 4 A Reason","registered_at":"2026-06-25T11:15:33Z","spotify_id":"0CqKMQmIN8LJkguq9IK4Gg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85f8b7bdf93687f8998c310e8562a8de76cb452e5e725afe856a693216e8751. 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/0CqKMQmIN8LJkguq9IK4Gg.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/0CqKMQmIN8LJkguq9IK4Gg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe7a805f32e17f1ba7e24660c7c282ace17cceb66f954dba4eb37db74cc82e6. 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/6TpXVRRdLW103eqwLGMoA0.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/6TpXVRRdLW103eqwLGMoA0.
{"copyright_id":"0xeebd03fda5816b8fa27aef947329956df0edebbc77d894cd2e88a05a622f72c8","isrc":"ZAE3A2100063","name":"Mrs Party (Khala AmaGirls)","registered_at":"2026-06-27T12:45:40Z","spotify_id":"48Z0yx4fvr4tRpm9xtXkmJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebd03fda5816b8fa27aef947329956df0edebbc77d894cd2e88a05a622f72c8. 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/48Z0yx4fvr4tRpm9xtXkmJ.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/48Z0yx4fvr4tRpm9xtXkmJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce4d796a680255fc87550920c714c8e0c0db7dd69b5c210ecf4fa67dd5c1985. 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/2K23QYlJ3ZEHf5dRZOSd9h.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/2K23QYlJ3ZEHf5dRZOSd9h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7d2a81bb02809872857cbb86e5e0236c49f663c8a9c7fc9996a3d69c3d8332. 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/4cydojyAXqjbrqIZFcUOKk.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/4cydojyAXqjbrqIZFcUOKk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bedf5857e7f2e20099cd6ad0d2069fc58cb5a85eadbded9592a2c2cc7649b1d. 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/3LeMCpDULUg4grtuOi2i0O.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/3LeMCpDULUg4grtuOi2i0O.
{"copyright_id":"0xe4c638a5631a9efb52da63f0a2deb38cd851f85587a7f8418637b1ed922cbe9c","isrc":"ZAE3A2100001","name":"Yini Sdakwa","registered_at":"2026-06-04T10:48:16Z","spotify_id":"3DTrNeNbY9juslM5BmZqUE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c638a5631a9efb52da63f0a2deb38cd851f85587a7f8418637b1ed922cbe9c. 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/3DTrNeNbY9juslM5BmZqUE.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/3DTrNeNbY9juslM5BmZqUE.
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.
{"copyright_id":"0x5feb5f05193d8f9681d6ef6a1ca5a597753b87fc9b26cb1b547cb59b7936199c","isrc":"ZAQJX2100032","name":"Don't Tatazel (Kushubile)","registered_at":"2026-06-18T20:11:14Z","spotify_id":"2IKhgsMyGIOIJbcA3X8O28","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5feb5f05193d8f9681d6ef6a1ca5a597753b87fc9b26cb1b547cb59b7936199c. 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/2IKhgsMyGIOIJbcA3X8O28.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/2IKhgsMyGIOIJbcA3X8O28.
Nomalanga (feat. Jessica LM, Teejay & ThackzinDJ)
{"copyright_id":"0xabc44e6198647cce91688171800e81fc187890014375c68e82ae0fc98ee6ea80","isrc":"ZAA012200256","name":"Nomalanga (feat. Jessica LM, Teejay & ThackzinDJ)","registered_at":"2026-06-21T03:50:13Z","spotify_id":"70Tl7vkTR8Sxa2DBeAGHLh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc44e6198647cce91688171800e81fc187890014375c68e82ae0fc98ee6ea80. 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/70Tl7vkTR8Sxa2DBeAGHLh.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/70Tl7vkTR8Sxa2DBeAGHLh.
Amaneighbour (feat. Reece Madlisa, Zuma and ThackzinDJ)
{"copyright_id":"0x8ec515dfac139a77262ce6d426294c5e4a0d7b8130b7a3b48df8cb054a959125","isrc":"ZAP5U2100018","name":"Amaneighbour (feat. Reece Madlisa, Zuma and ThackzinDJ)","registered_at":"2026-06-05T13:47:47Z","spotify_id":"3MTka3gGcKdefd8pytInzR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ec515dfac139a77262ce6d426294c5e4a0d7b8130b7a3b48df8cb054a959125. 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/3MTka3gGcKdefd8pytInzR.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/3MTka3gGcKdefd8pytInzR.