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 0x8b64a0ef9144dc078533f25bf2887f6c8f34d028f8a4c958832706e5ea49a75f. 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/2eba0753-7e1a-461a-8339-485cca777baa.json and https://artists.proofprofile.net/proofs/artist/2eba0753-7e1a-461a-8339-485cca777baa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Don't Be Afraid - Sex You Down Some Mo' Version
Don't Be Afraid (Sex You Down Some Mo' Version)
{"copyright_id":"0xf836b4b407115eb9a2c7afe6d07e26b22d8ed93b90274bfbe975b756afb833c5","isrc":"USMC19857931","name":"If You Leave Me","registered_at":"2026-06-29T11:04:06Z","spotify_id":"6mXkFLBfH4KC9skEfaNPPu","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 0xf836b4b407115eb9a2c7afe6d07e26b22d8ed93b90274bfbe975b756afb833c5. 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/6mXkFLBfH4KC9skEfaNPPu.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/6mXkFLBfH4KC9skEfaNPPu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. 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/1zztUA0VNsMBJjx3qL8FQf.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/1zztUA0VNsMBJjx3qL8FQf.
{"copyright_id":"0x41e060aa769c51f03f909546e4fbd44af9f1e382a1930daf554e3dfa071c163c","isrc":"USBB40580109","name":"Things You Do (feat. Aaron Hall)","registered_at":"2026-06-19T16:37:52Z","spotify_id":"1tdzUnenVWqnXGzp41TUwM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e060aa769c51f03f909546e4fbd44af9f1e382a1930daf554e3dfa071c163c. 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/1tdzUnenVWqnXGzp41TUwM.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/1tdzUnenVWqnXGzp41TUwM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1WDgfR50LgU4T4IV4g1GCB.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/1WDgfR50LgU4T4IV4g1GCB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wBSIydrk15boEB6i9yHog.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/7wBSIydrk15boEB6i9yHog.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fe231f11f24475d5c95ae31fd60ba15068df6db55fa59a19700696513ae54e6. 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/0Nnibn0DPzqAAkyPn8mvea.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/0Nnibn0DPzqAAkyPn8mvea.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. 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/2UuFstJoUACSL4zQCVbkAO.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/2UuFstJoUACSL4zQCVbkAO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1uKQ1APrMNRKQiwW8MZ3Y8.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/1uKQ1APrMNRKQiwW8MZ3Y8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1nFvcSWLKu2hghSOwzULnw.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/1nFvcSWLKu2hghSOwzULnw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YAPvvNPFJo8lBzbxogfrd.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/5YAPvvNPFJo8lBzbxogfrd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0rZV3z5SpV6KSaqBRSCGUy.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/0rZV3z5SpV6KSaqBRSCGUy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a97517639da07db3a42791232a60848a1af644c40839d3c1dd8438ff4c5f238. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15D2sFTljhlKpRBWht50Nd.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/15D2sFTljhlKpRBWht50Nd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb38b8505e3aa254ee350ee13235a5a15677391e55ea18ef1ef9cf124eaac410e. 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/5l6WYGy3di3k8V5QlBMvJ1.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/5l6WYGy3di3k8V5QlBMvJ1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ddea7c51a3f1bd2e76fd9279eefaa04219f2d899da9a6c178b9963e9795676. 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/01FEW2c5rCWPd6KVXHLJ7v.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/01FEW2c5rCWPd6KVXHLJ7v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ddea7c51a3f1bd2e76fd9279eefaa04219f2d899da9a6c178b9963e9795676. 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/18LDVDUi8flgFAgwRTfG9y.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/18LDVDUi8flgFAgwRTfG9y.
{"copyright_id":"0xe24b6ee9bf5258413f896c261b8faa0d7aa7cc3529e1c3585da628f8b3850b3e","isrc":"USMC19341451","name":"Don't Be Afraid - Sex You Down Some Mo' Version","registered_at":"2026-06-24T13:50:54Z","spotify_id":"18GoBVGpIPun5J4JM3HVBy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe24b6ee9bf5258413f896c261b8faa0d7aa7cc3529e1c3585da628f8b3850b3e. 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/18GoBVGpIPun5J4JM3HVBy.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/18GoBVGpIPun5J4JM3HVBy.