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 0x6f394c518ce632db3a2789034d0684261e6a5cf3e2762d5459912f5c56237669. 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/3e8fa7ba-fa72-4960-aa5e-17d794218f61.json and https://artists.proofprofile.net/proofs/artist/3e8fa7ba-fa72-4960-aa5e-17d794218f61.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 0xc86e14478eefe0f5b401a4cdd58e7e8729d02bfd82649951724b27685c900d6e. 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/77fvN0b13uQ7FuM4mACm9c.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/77fvN0b13uQ7FuM4mACm9c.
{"copyright_id":"0x9bbb03e01fa9b569d38549d1f9e4cb40839ba6c9dc789a50bac8f086a91cda3e","isrc":"QM24S2304458","name":"This City","registered_at":"2026-06-07T10:50:31Z","spotify_id":"6oXzffAqMvzbuqBod9c56G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bbb03e01fa9b569d38549d1f9e4cb40839ba6c9dc789a50bac8f086a91cda3e. 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/6oXzffAqMvzbuqBod9c56G.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/6oXzffAqMvzbuqBod9c56G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb617d2864183f62203c7a04207e2e531a5259f24ad89fc9d595698a99571386c. 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/2ANcq7Zr2TTVO4XOQF41QM.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/2ANcq7Zr2TTVO4XOQF41QM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ad4dc2af9bcc02a8351f6c4a6d308f388048b276565700fe77fbc2e4737aec6. 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/0hvOKAS19ecTKw2gukoqvQ.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/0hvOKAS19ecTKw2gukoqvQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4751064d1f3acde93076ee1f66d75af864c39c1a6f36ea9b3e7221fc406f5b01. 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/0Ghmb2o1OMBFeZXiuY1p39.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/0Ghmb2o1OMBFeZXiuY1p39.
{"copyright_id":"0xe91a864daecb253f3984d19c3e0e49cfc8f209ab83baad9dbfade0abd2eff7af","isrc":"USA2P2146581","name":"Ups and Downs","registered_at":"2026-06-06T20:57:06Z","spotify_id":"0gSqPFgTIA2afdU43Pb6TN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91a864daecb253f3984d19c3e0e49cfc8f209ab83baad9dbfade0abd2eff7af. 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/0gSqPFgTIA2afdU43Pb6TN.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/0gSqPFgTIA2afdU43Pb6TN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc57056ef1ae46e1dd7cf34a9cb925ce5a3dbb7dd4e0d5b78376a12deb48991. 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/7vJmmgZZu66jnOT3LUcEOZ.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/7vJmmgZZu66jnOT3LUcEOZ.
{"copyright_id":"0xeee686e59611d13bef9577ddd68f08ba51ab6cd45175ebc4881e15ef2f60699f","isrc":"USA2P2146580","name":"Love Drunk (Acoustic)","registered_at":"2026-06-27T04:58:23Z","spotify_id":"0HvEY7JfhjtgkpHjct4Ps4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee686e59611d13bef9577ddd68f08ba51ab6cd45175ebc4881e15ef2f60699f. 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/0HvEY7JfhjtgkpHjct4Ps4.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/0HvEY7JfhjtgkpHjct4Ps4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc57056ef1ae46e1dd7cf34a9cb925ce5a3dbb7dd4e0d5b78376a12deb48991. 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/3yx2XsBP4801N44bBNZAc4.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/3yx2XsBP4801N44bBNZAc4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a2891c4f906d49fd64101d90c9eb6871766860d2889edb563941672f23a631. 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/2Zu93iQN1csxtM4FZgcqmk.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/2Zu93iQN1csxtM4FZgcqmk.
{"copyright_id":"0x831cbb32e3ceeaaca0a6bd98ab1f171d9ac92b62d01546525ac4521a1dcf869e","isrc":"USA2P2122216","name":"I Wish","registered_at":"2026-06-08T09:34:41Z","spotify_id":"2lFzPQ50o1wIalwntvxlz9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831cbb32e3ceeaaca0a6bd98ab1f171d9ac92b62d01546525ac4521a1dcf869e. 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/2lFzPQ50o1wIalwntvxlz9.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/2lFzPQ50o1wIalwntvxlz9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f45992d224a4df698e68472a770c512b48a7442688aa70bd17f39fc30f56305. 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/3gN1qhVzNJNemtINS42Typ.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/3gN1qhVzNJNemtINS42Typ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0bd50395ae9b3b224ff6e149f6bc78c2c3600133b441ce629605711f11fe8cb. 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/2GjwIcOhi3zaaJMumJXvfP.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/2GjwIcOhi3zaaJMumJXvfP.
{"copyright_id":"0xa8b2ce69077ae37d89e95fd2aaf3b3c84a9d5612d1dc25f602ff135b765d3033","isrc":"USA2P2033962","name":"Say You Won't Leave Me","registered_at":"2026-06-07T17:11:25Z","spotify_id":"3c8103dxeVZBxt7yYBWKfw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8b2ce69077ae37d89e95fd2aaf3b3c84a9d5612d1dc25f602ff135b765d3033. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3c8103dxeVZBxt7yYBWKfw.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/3c8103dxeVZBxt7yYBWKfw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e407d606f9012ed1609b44ac1a6511940e6676b14d030b84e8016cae90eda4e. 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/1UAcHbaw2FwtdAAQln4mK9.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/1UAcHbaw2FwtdAAQln4mK9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf53078e826ba28b294526f5e82371d51b511ad13abd3dc07412450e32d7af032. 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/0DH1FCOIDP93GqXkUlF9S8.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/0DH1FCOIDP93GqXkUlF9S8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911e432470f54882a0b1738cff099e6a42e871fbc194af86b244b168d7c8df5c. 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/0AM5zr8HhEy1a2OsWybnH8.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/0AM5zr8HhEy1a2OsWybnH8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e407d606f9012ed1609b44ac1a6511940e6676b14d030b84e8016cae90eda4e. 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/6b3OOZ7U8mqNO7ImHEyMRR.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/6b3OOZ7U8mqNO7ImHEyMRR.
{"copyright_id":"0xa8b2ce69077ae37d89e95fd2aaf3b3c84a9d5612d1dc25f602ff135b765d3033","isrc":"USA2P2033962","name":"Say You Won't Leave Me","registered_at":"2026-06-07T17:11:25Z","spotify_id":"1E4EqBF3kSKoKOx2WCw2X9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8b2ce69077ae37d89e95fd2aaf3b3c84a9d5612d1dc25f602ff135b765d3033. 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/1E4EqBF3kSKoKOx2WCw2X9.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/1E4EqBF3kSKoKOx2WCw2X9.
{"copyright_id":"0x8baac4d55e7f48a856dc3e7f86fdd23671f6cef368d3da1f7c10b9a895d29629","isrc":"USA2P2029695","name":"Night Sky","registered_at":"2026-06-09T23:19:42Z","spotify_id":"1ttpcgJjwjLRxQrJ3Oeow7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8baac4d55e7f48a856dc3e7f86fdd23671f6cef368d3da1f7c10b9a895d29629. 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/1ttpcgJjwjLRxQrJ3Oeow7.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/1ttpcgJjwjLRxQrJ3Oeow7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa621b21d44156b252e8aa6167b03cbda6a70754727d294087636b2975b30e19e. 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/50BLXifJ7APafbz0mlnPbT.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/50BLXifJ7APafbz0mlnPbT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dbcf413314b9ef125ea220acb60aa4a29363c25a3cdc2e72ba8a273f34113ad. 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/0s8YU2Hd3OMCrw0q168Uc3.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/0s8YU2Hd3OMCrw0q168Uc3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59bfb04853e41ab9f75783845b256e2ef2cc0c4d088d6639985f567806d3f276. 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/6mVtgpwjf8RnhxsCxnD6oc.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/6mVtgpwjf8RnhxsCxnD6oc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88c974e75ec4ee3302fb25b2a9f9eb1958750c790d676581d09ba55eafe1157. 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/4SffP6mlhnhumLGnGr8VWK.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/4SffP6mlhnhumLGnGr8VWK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda87204f11f4c972f1166731cecb2982c211d03ba26b83c8b2a48c5e5253290. 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/3Bpc7UXEEIi8BrfzRQiSRX.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/3Bpc7UXEEIi8BrfzRQiSRX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x498496135475a66f86ee706d2b3153f0b896235b82b454a999d2fb2f2690b96f. 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/3rlUmNmRyF4i5xrR7awCUV.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/3rlUmNmRyF4i5xrR7awCUV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda87204f11f4c972f1166731cecb2982c211d03ba26b83c8b2a48c5e5253290. 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/3wwKj6h9l58pVOWUKIc2Kx.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/3wwKj6h9l58pVOWUKIc2Kx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59bfb04853e41ab9f75783845b256e2ef2cc0c4d088d6639985f567806d3f276. 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/7h80S4jc9suHRbH3bPSBcU.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/7h80S4jc9suHRbH3bPSBcU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c391e06006eda88b894c2a419f1ba57ef7e95c80db5f281a82595a2327ffd20. 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/1WGyC4si6ztHHNVM3gI5VQ.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/1WGyC4si6ztHHNVM3gI5VQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38400be7710a790a11a0e6a7e68f88f9187bb078e7812b115cdc11c9bbdb605a. 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/5AFJu2ztDpjULgkrdM0zVi.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/5AFJu2ztDpjULgkrdM0zVi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd4fb7c9456d0d981a28200057271640cf43682aa33466b338b9f192f920f05. 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/6p128YQodqDtEPDaMLtP4A.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/6p128YQodqDtEPDaMLtP4A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf51533bc429625dab4c1fe5d6b1931d74490e962dda10ead297508c569583dd. 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/6BBrA2q3JpDAnEjO86GB7z.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/6BBrA2q3JpDAnEjO86GB7z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1975e51c7fed3b35d86d72401c3cd1ed6510a1e0cc3bd04966853d5d840542ee. 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/77tpR5X3Ac0CCpWTRpfbQr.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/77tpR5X3Ac0CCpWTRpfbQr.