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 0xe5dbd2af6b7d6aa832f7d0d555ad84ccca39005ffb032b6cedc6ed061175b93d. 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/31e84098-fe75-4643-bd73-895bff4c8ffe.json and https://artists.proofprofile.net/proofs/artist/31e84098-fe75-4643-bd73-895bff4c8ffe.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 0x96e858b20a2341ecd1e29deba41d72bc72bb076229dcc091c1653e86acec1f9e. 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/39jirAjE7Zsj2O0JuqfW2H.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/39jirAjE7Zsj2O0JuqfW2H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178920ba3f9996d4ba310cf5d9338ea998bd96b35e26dab8d8b53e1beec58b45. 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/4C1Ek1uH83fSvmZ9zDAZ7D.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/4C1Ek1uH83fSvmZ9zDAZ7D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2ba6abd246071c1b5a6438515f228397ed0b669e0a6990a661bfc0138824ac. 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/52eucgbhNY4SsE5GRxgk4U.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/52eucgbhNY4SsE5GRxgk4U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc4ea763a7c20c922607fe0de35dae5198fb6b6ef5889a9f333a941271f26cbf. 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/39cKRJtWF490ePvVicFQTX.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/39cKRJtWF490ePvVicFQTX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8037a122a491af86d62fd1134e778ab8207682fe94ce6738a07d699dad1191f. 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/1APy9my2CXcPT4GoT39gvD.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/1APy9my2CXcPT4GoT39gvD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbba16200aca80529f1fe321a5917f7ebd0b1e08151022581a455df16bf3a04d. 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/6ALclcPmHF0Ri6QAb3g62M.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/6ALclcPmHF0Ri6QAb3g62M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9b26e79d75957c311bc154da544b2d7a370dbe58575d2bfc8a7bcc19c9bf54b. 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/6HQyF8llWpB5g88e2RhMEJ.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/6HQyF8llWpB5g88e2RhMEJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70164bb8f5e92f6cc7cbacb845326da31931b050710f96a00666724591fd4428. 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/1FKEuw8QjN7uLAqaWn6wnF.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/1FKEuw8QjN7uLAqaWn6wnF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2437831eb257eff3b2df45497a29ba740cc3f38896dc5982e0b1af81fb10c67a. 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/4EPTjLvFTjVgmUJufB8lki.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/4EPTjLvFTjVgmUJufB8lki.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf605f29fed76001eea94074a9ec8824f8dac10dd1a90217fca95f8fe258fda55. 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/19WWpaOsvttAl8ssELH0tG.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/19WWpaOsvttAl8ssELH0tG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c1f2b04401ab79396a922bb2f357d39e625148008d80923a9d11d37515535c4. 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/4vrlTXxZtMplRzmJYjlLbj.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/4vrlTXxZtMplRzmJYjlLbj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x895b94b28f182cbb9c8e141778ecfe8cd1c987a6b2f2f52f06b687327093ae65. 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/4L2OTnxBhg04JPzHDeYo9L.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/4L2OTnxBhg04JPzHDeYo9L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c477d3a93156c8f17553868501400ab1d1b1b8e7872bf3125b4a11b96479e8. 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/6qFZvEeJ8h3QP6waLUwcTF.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/6qFZvEeJ8h3QP6waLUwcTF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d68405c84768642c0da6739f876ee87d4cbfe9d694f7a09e7c652698e27af8. 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/5ZghlSAWSGW3xNWchfsE1M.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/5ZghlSAWSGW3xNWchfsE1M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1aaeed1c38ff9bb5d10858e438bb50487e9a7a0c3f446e3f1d7bfff2c5c9612. 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/3VL7gh3wMc5lEfCuKvmLug.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/3VL7gh3wMc5lEfCuKvmLug.
Morgen Ben Ik Vrij (Radio Edit) [feat. Nigel Sean & JiXXX]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d09424edb65bd0520653968227b385c606ed1c4924884fdca1c54f06b9dc9df. 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/44cC7Z3PJAMLmrGzBM4xZo.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/44cC7Z3PJAMLmrGzBM4xZo.