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 0x852f1a1220eca44b909c3849cc69fcc23ccda27627794a84de0c7f98f3f49f07. 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/c2899e34-4ddc-466d-b7d0-3b76578d85ec.json and https://artists.proofprofile.net/proofs/artist/c2899e34-4ddc-466d-b7d0-3b76578d85ec.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 0x8518d78881b5d830ba37776182203157eb32bfdfd86e1aa2583aba1815b068ed. 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/6sfMHE7tXUoWUvmhKquAis.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/6sfMHE7tXUoWUvmhKquAis.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ccb8b51ca745855e97e8469ff7c4494a93075e26c6b50ed94fe71d2b74cc6a. 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/4CtqkqH0om2SQMK19BsRJJ.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/4CtqkqH0om2SQMK19BsRJJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f479eda8029a69e7f5d7e1e03b81f621b378bb4ad6f859888e925c7721107e. 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/2v3X0px7MyIdcpK0RTYTn5.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/2v3X0px7MyIdcpK0RTYTn5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc22a9f849600e6ad467ee76c9924744098808f8bb94680fc36fe79b15911a48. 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/2hxY8YSzjM8Sk1tq9GrnEW.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/2hxY8YSzjM8Sk1tq9GrnEW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16533e528f75cf6a308af421a85726b15ed7ea34904d885e5e2b5a71b2a4175. 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/5AI3LYNg4kMORRcm5Ra19n.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/5AI3LYNg4kMORRcm5Ra19n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36dbb236d2e23dfdb540254f6cb7a5a5e78dfd6f203efeac70c47856841ca0a. 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/48Lr6ezXThrMOLaT2dQ13p.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/48Lr6ezXThrMOLaT2dQ13p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f288617c8419ffb228da379ae38ceab42ab180a2c7a2715440d075ac1684346. 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/5eXRqIwVxWSpZyXpZ0R3GB.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/5eXRqIwVxWSpZyXpZ0R3GB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2947e4186788b978831f33ed86f388abef397881873b8fe4ed8289ee594d434. 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/7znIe5Py8UFgpRrNH3xg5b.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/7znIe5Py8UFgpRrNH3xg5b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd35e0c2bc43c859fc796d869c7aaf28499977fbfcdadb24937ac115adc2195e. 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/6f3Mtn2TOtkOV5fcpayH7d.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/6f3Mtn2TOtkOV5fcpayH7d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1954d1bc648656eb17058ab288cb5ee1a0638e96e1a3e2f30a311fec5ef34f8a. 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/0jxKlY9fWrOMGyTZnKq9li.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/0jxKlY9fWrOMGyTZnKq9li.
{"copyright_id":"0xb2a48331560add6cb40ed6228c65a2e37bae11aa4ac201b01fcaef3eedd618cc","isrc":"FR10S2420719","name":"Cumbia del Diablo","registered_at":"2026-06-08T05:37:23Z","spotify_id":"4pTzY5QdyyUoExX2AmdB57","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2a48331560add6cb40ed6228c65a2e37bae11aa4ac201b01fcaef3eedd618cc. 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/4pTzY5QdyyUoExX2AmdB57.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/4pTzY5QdyyUoExX2AmdB57.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca085a9152dd052318258bd78a62517eaa46c245c589339c219518234f991a58. 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/2CAHhgq654drIOYmzoQA4b.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/2CAHhgq654drIOYmzoQA4b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8176243718045d865b7d5403c7de32a20bd2143474f8512ae8d4fcb25e5e51b6. 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/0kD9wzZAxcVO1CFYQLV9Cy.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/0kD9wzZAxcVO1CFYQLV9Cy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f5eac473e422ff839db07fc4ea76730ea3082240fbebc34450569484d275ff5. 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/5utT3YLoDTs1omhLJGvPbP.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/5utT3YLoDTs1omhLJGvPbP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x344816f1bdc787e790e45f03721d6849e3d4c63aef147b2fc300bdc44697c512. 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/748TZff60FnoxDIRfprPEd.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/748TZff60FnoxDIRfprPEd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6532a0874f822c27f69f76485e0cc5b62c059b049666570af62a43795b8d7bdc. 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/6muyCgJWbhMduPz8QFMOT0.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/6muyCgJWbhMduPz8QFMOT0.
{"copyright_id":"0x1cb095561868d1f4aa71e9ccb836ee0f444a9249c92e42e5aae65ba49f65fbbd","isrc":"DGA0Q2341066","name":"Super Dope","registered_at":"2026-06-07T09:08:05Z","spotify_id":"6VKUqfkbrHoDcVdcCwIwUV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb095561868d1f4aa71e9ccb836ee0f444a9249c92e42e5aae65ba49f65fbbd. 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/6VKUqfkbrHoDcVdcCwIwUV.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/6VKUqfkbrHoDcVdcCwIwUV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28ad468c36986f9feed6ff1c2fe63555504d65271703e795c5b31547396f37d5. 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/3kR00xdtEf6QcJh9UMkgXI.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/3kR00xdtEf6QcJh9UMkgXI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5585044fe2e0073546f261ddc96d0e0ed2df937e646d7019d8fe7fd8889a59f. 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/7jOQKuaprovGcBOMb0Fss9.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/7jOQKuaprovGcBOMb0Fss9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6532a0874f822c27f69f76485e0cc5b62c059b049666570af62a43795b8d7bdc. 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/4oBBS4JZoD7WZbpWWS300u.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/4oBBS4JZoD7WZbpWWS300u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2947e4186788b978831f33ed86f388abef397881873b8fe4ed8289ee594d434. 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/5IdC49CnXDDozJBj8BhXWo.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/5IdC49CnXDDozJBj8BhXWo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd35e0c2bc43c859fc796d869c7aaf28499977fbfcdadb24937ac115adc2195e. 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/6iFaMdh0nn1iX0H6zWnMSG.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/6iFaMdh0nn1iX0H6zWnMSG.
{"copyright_id":"0x1cb095561868d1f4aa71e9ccb836ee0f444a9249c92e42e5aae65ba49f65fbbd","isrc":"DGA0Q2341066","name":"Super Dope","registered_at":"2026-06-07T09:08:05Z","spotify_id":"0PseB1z6hBnHOlcCIhlR5g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb095561868d1f4aa71e9ccb836ee0f444a9249c92e42e5aae65ba49f65fbbd. 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/0PseB1z6hBnHOlcCIhlR5g.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/0PseB1z6hBnHOlcCIhlR5g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16533e528f75cf6a308af421a85726b15ed7ea34904d885e5e2b5a71b2a4175. 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/4SQklhtpWqvP1DNqqARd8M.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/4SQklhtpWqvP1DNqqARd8M.
{"copyright_id":"0x1cb095561868d1f4aa71e9ccb836ee0f444a9249c92e42e5aae65ba49f65fbbd","isrc":"DGA0Q2341066","name":"Super Dope","registered_at":"2026-06-07T09:08:05Z","spotify_id":"1hwMYOdePXwP94VdUPo60e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb095561868d1f4aa71e9ccb836ee0f444a9249c92e42e5aae65ba49f65fbbd. 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/1hwMYOdePXwP94VdUPo60e.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/1hwMYOdePXwP94VdUPo60e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2947e4186788b978831f33ed86f388abef397881873b8fe4ed8289ee594d434. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LEduQdSpdOElZqbvC5DYm.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/1LEduQdSpdOElZqbvC5DYm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd35e0c2bc43c859fc796d869c7aaf28499977fbfcdadb24937ac115adc2195e. 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/5MG32ASgQvGONo0jSyRNsM.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/5MG32ASgQvGONo0jSyRNsM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16533e528f75cf6a308af421a85726b15ed7ea34904d885e5e2b5a71b2a4175. 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/4pIa1r5VrA4HpfAmPunIt9.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/4pIa1r5VrA4HpfAmPunIt9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2947e4186788b978831f33ed86f388abef397881873b8fe4ed8289ee594d434. 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/64cT22q9OVDfE66S8qHmXQ.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/64cT22q9OVDfE66S8qHmXQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd35e0c2bc43c859fc796d869c7aaf28499977fbfcdadb24937ac115adc2195e. 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/6pKpE2cAIEQbby8OY0uTER.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/6pKpE2cAIEQbby8OY0uTER.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16533e528f75cf6a308af421a85726b15ed7ea34904d885e5e2b5a71b2a4175. 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/1NkaF6kbM7opiCFXO9QLNm.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/1NkaF6kbM7opiCFXO9QLNm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16533e528f75cf6a308af421a85726b15ed7ea34904d885e5e2b5a71b2a4175. 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/66TrudOHaBNZbkTBFtqnap.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/66TrudOHaBNZbkTBFtqnap.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd35e0c2bc43c859fc796d869c7aaf28499977fbfcdadb24937ac115adc2195e. 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/6ncDY2rDQaBaQhG3iWPXdP.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/6ncDY2rDQaBaQhG3iWPXdP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16533e528f75cf6a308af421a85726b15ed7ea34904d885e5e2b5a71b2a4175. 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/5cuhYEoFtVbSU9K8x1UMOT.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/5cuhYEoFtVbSU9K8x1UMOT.