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 0x268115cbc4c48c946e56002f758bb9081f027d54b708c88a855312d764f91425. 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/0294af57-23b7-49a9-b9e3-150909fd771d.json and https://artists.proofprofile.net/proofs/artist/0294af57-23b7-49a9-b9e3-150909fd771d.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 0xe9ee6e1ce5ca8735f038fd04086b0b13ddfc339c45728e5ff2d44be21171303b. 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/4At5yxLAYfDniqwFa0VCV8.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/4At5yxLAYfDniqwFa0VCV8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8f9f60490cfee785dcb9635e4e065c0a11f00d26b9b8de2fee78d048e27ab70. 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/4HfPqI7QIU5YzjjxxSMmRo.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/4HfPqI7QIU5YzjjxxSMmRo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2059b38c1984cb993a73760940f9e8dd488c065ecd207693457c112c9669503. 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/6g8gSy5FRcgBWHeSScpECl.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/6g8gSy5FRcgBWHeSScpECl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc177bbb20450d93aedf11459a811748c5ccd9b75e065673161019740e493469. 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/5cZAD8EQheirCnWBaPS0On.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/5cZAD8EQheirCnWBaPS0On.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92101b143567b6eabd0d6a0c0f38e516663f722b5bcaa837297bcaafdfdbaa5c. 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/6V31n9Lkni1DKLVG2oouhE.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/6V31n9Lkni1DKLVG2oouhE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc96f5bb227a9b72ada813b95b8bd11d47b9cd1e27f895746c8bf4aa5e41397c0. 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/0kyuU81nNsPaYjGQ5dwY5e.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/0kyuU81nNsPaYjGQ5dwY5e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90fb9ccd8b97084ed217f6284e33baa35213ca2c3d5546f2bada05f84065cb78. 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/5asj11vQ6VWmTJP8kQ2Lig.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/5asj11vQ6VWmTJP8kQ2Lig.
{"copyright_id":"0xe6190d774de167599ccf081ed8d90ca0253d086fe14bb4d2ab22e6cf3e1adadc","isrc":"US39N2300339","name":"Like That (feat. Aleya Mae)","registered_at":"2026-06-09T20:36:15Z","spotify_id":"39tTbcfjAL000DxMUMJhO0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6190d774de167599ccf081ed8d90ca0253d086fe14bb4d2ab22e6cf3e1adadc. 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/39tTbcfjAL000DxMUMJhO0.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/39tTbcfjAL000DxMUMJhO0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd993347e069101222bca38f99775e7758e7ce3342786bbc12bded225e715d15b. 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/6xylQub9EOn4H0et2wE2rD.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/6xylQub9EOn4H0et2wE2rD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0594b9df886f036323ca95148bab4eb3361d5d302f380eb40ed3669e50e179d4. 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/7gW131CT4bxZ7M3uQqUheT.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/7gW131CT4bxZ7M3uQqUheT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86209dc9105241acf5cae8de44f7d2aa48be0f894c340530945669c3667579bb. 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/2wKiKOCW9AyJUXAFALUbm9.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/2wKiKOCW9AyJUXAFALUbm9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340e954ace15797fbc75bec55efb9d6c068514a1b077dfb1532e892644ce14a5. 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/4y2PKLDSnodMO1r94Qupxl.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/4y2PKLDSnodMO1r94Qupxl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1023de326575d2bb4fb51867e0968393c6e8e9487ddfecc26702800be48b08b. 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/3eBZOEzakLG48zsIKlOZYY.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/3eBZOEzakLG48zsIKlOZYY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f1132533f6e2d884c57176400b460e6bd7f4144aba1b44218e1542a4f6ffd7. 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/6MhSoIJOIgGjp3ICuSWiHR.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/6MhSoIJOIgGjp3ICuSWiHR.
{"copyright_id":"0xd9b78e9ad2481c929a408bcf208d78ffcc28f5354c75c99b11444ba62e63ea3b","isrc":"QZTV32281399","name":"Chasing The Sun","registered_at":"2026-06-23T13:05:01Z","spotify_id":"3eSRJGpW7HcbmWxZ7gJfWV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9b78e9ad2481c929a408bcf208d78ffcc28f5354c75c99b11444ba62e63ea3b. 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/3eSRJGpW7HcbmWxZ7gJfWV.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/3eSRJGpW7HcbmWxZ7gJfWV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a81851d2ff76d87334caca3c76a7db6513601b30bc97139428a7c929e45ecfe. 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/580bVQON9M6F78f1q9jV0A.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/580bVQON9M6F78f1q9jV0A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6afbfb4e043cd824798a082455703a37da262514973d0d49b470038c1fa42356. 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/0V5YAFMgVe5fi5flC8n5cZ.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/0V5YAFMgVe5fi5flC8n5cZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82a3a6cd79490b0022be4d8e6a505ef03798fb0669255669206304ae05de250. 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/3wyUvhOvdiALMePqtVUQkj.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/3wyUvhOvdiALMePqtVUQkj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd5c146339e204e45506ece30dc9cae9d9e05891855f75005418a82f310701c. 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/5jUaHkdlsGnJNkJgIlxOCi.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/5jUaHkdlsGnJNkJgIlxOCi.
{"copyright_id":"0xf4584eb1fff094a7ed8cd593fe68818d1fc1e533daa896a1ae69319fe7e79d5f","isrc":"GB8KE2163917","name":"First Thing's First","registered_at":"2026-06-20T10:41:36Z","spotify_id":"6GeejHYd9fA9JlBFRW4NTN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4584eb1fff094a7ed8cd593fe68818d1fc1e533daa896a1ae69319fe7e79d5f. 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/6GeejHYd9fA9JlBFRW4NTN.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/6GeejHYd9fA9JlBFRW4NTN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9601de4955357d8d448db16c782b2acb247cc719df218a69b2a9c7e76bb6e374. 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/60IzoE1xPyizNnmVT9QF19.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/60IzoE1xPyizNnmVT9QF19.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9841b9196a7e320ffb9b65540fe5f432ae1ca12a41f56daa7616534df0c0724. 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/1nruXXU3erq3cQvs8v2FCv.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/1nruXXU3erq3cQvs8v2FCv.
{"copyright_id":"0x806cfc51d73d4248a71e77a81bb1253eb60c28fd31f0f2c59fa0a255a228e1c6","isrc":"GB2LD2310063","name":"World on Fire","registered_at":"2026-06-25T19:39:48Z","spotify_id":"0vyzWCQaPRwaJPbRv9SB1q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x806cfc51d73d4248a71e77a81bb1253eb60c28fd31f0f2c59fa0a255a228e1c6. 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/0vyzWCQaPRwaJPbRv9SB1q.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/0vyzWCQaPRwaJPbRv9SB1q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4129365646a24a65d164a34d4f0bf2dec7597e5518499a8a31cdcbb961b6aa0b. 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/4hJ9GlqWQKgEU24yUbqDZB.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/4hJ9GlqWQKgEU24yUbqDZB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340e954ace15797fbc75bec55efb9d6c068514a1b077dfb1532e892644ce14a5. 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/2Bhv2dpgjAfpJejQltrlOJ.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/2Bhv2dpgjAfpJejQltrlOJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980178a75fe0f2343468bee98992bd1c10f1d56003c6157228b4ad4abe1e6e09. 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/4mljaiRBQOvFCjcnzxlQ3F.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/4mljaiRBQOvFCjcnzxlQ3F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cced29659aae599e94f30a6f971f9ec390b112a35f85085c62c575073abc0f6. 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/6Pmp4ry6tvpUfjPHz13vid.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/6Pmp4ry6tvpUfjPHz13vid.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a81851d2ff76d87334caca3c76a7db6513601b30bc97139428a7c929e45ecfe. 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/5U2RXOeFuQmUEo5bnTqw62.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/5U2RXOeFuQmUEo5bnTqw62.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90169f463acfe6fd70792775f53f694a328be2345bd592359b16e606dd588cf. 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/1oM23dG5YJnZMzQ4h2WB7r.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/1oM23dG5YJnZMzQ4h2WB7r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe14b328cd01c375835e0f8b6106f2bcfe967f015bd2fee1b1a2afb6fc038ce68. 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/5xOiGNzu5MFI61zwZE9aUq.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/5xOiGNzu5MFI61zwZE9aUq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b419df62c5dda222b9681a984a8e22205e250b7ae4dc9e0b5b44c30a799773. 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/6ATC3vIrH7oY7hyf76949u.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/6ATC3vIrH7oY7hyf76949u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f30417cb0d7bc9f72a0bb86fb809c5ff76c75dba304b5f395708acb063c170. 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/7cvPZ07NJuPc7HiBVgH03X.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/7cvPZ07NJuPc7HiBVgH03X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f4031b2fa05e67422fc13aa1c1b4702410ff0cf990e3b86fb1ba3720b061cdf. 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/5ot87nGhldqGyltfMilGXm.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/5ot87nGhldqGyltfMilGXm.
{"copyright_id":"0x09d9b502e7dd3d6edbdb1c0f190dac966ec9460238c0e4bb32ce73ad9a4f12c2","isrc":"GB2LD2210254","name":"Change Your Mind","registered_at":"2026-06-19T15:43:23Z","spotify_id":"4fYCAF9CPXD1SKx4mo7m4U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09d9b502e7dd3d6edbdb1c0f190dac966ec9460238c0e4bb32ce73ad9a4f12c2. 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/4fYCAF9CPXD1SKx4mo7m4U.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/4fYCAF9CPXD1SKx4mo7m4U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e400bedb2f43c7fd54119af4b9a390993ddc3331503b829a2e0b2b3c0263734. 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/2fRQBjisNcIzY4BVOrBh3C.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/2fRQBjisNcIzY4BVOrBh3C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0594b9df886f036323ca95148bab4eb3361d5d302f380eb40ed3669e50e179d4. 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/5pfGB3NjWu7OwK7GWUjEFO.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/5pfGB3NjWu7OwK7GWUjEFO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f534382d098fd2cb07ae8f992fd71e9b9c9cc16c7b3a80c67311fe59a2e735e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0JS9Gi1mQ8zR7Mt8V0lSgY.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/0JS9Gi1mQ8zR7Mt8V0lSgY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda3ef00391cf54e4a00672e9d77b804e51dff20ff373bbdbe3daa27f55eb2a2b. 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/2EcVGFQzGzTUH1tiZzfQCZ.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/2EcVGFQzGzTUH1tiZzfQCZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d3ed95dd31a4b37e93519b0adfc2342df51442e2c01fcd42b4749b5949f586. 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/3XgP1pFQurnXzxCBucsh53.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/3XgP1pFQurnXzxCBucsh53.