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 0x443a51b471a11565e3aca321d355a1ad4bf967bc3f9100a5d6a1207468173e34. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/961609ed-1faf-4c24-a200-8308bb7db87d.json and https://artists.proofprofile.net/proofs/artist/961609ed-1faf-4c24-a200-8308bb7db87d.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 0x67f57647dd9c586bca4e5f5cfa7e4e1450f2f424f97b0959c9219d70d69318b8. 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/1783hGvOoFRkxtW8QxjGWS.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/1783hGvOoFRkxtW8QxjGWS.
{"copyright_id":"0xb4f0c25eedf2b1b6243b5f034a46cdc7325091e74a6c061b25e6ec1817c5b2f8","isrc":"USA6M0403602","name":"Oh Messy Life","registered_at":"2026-06-04T12:23:53Z","spotify_id":"5UGOuPyoMT5XHNA75LJlQE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f0c25eedf2b1b6243b5f034a46cdc7325091e74a6c061b25e6ec1817c5b2f8. 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/5UGOuPyoMT5XHNA75LJlQE.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/5UGOuPyoMT5XHNA75LJlQE.
{"copyright_id":"0xf8d4cdf0ea29fe7e76567000436fcc641532fa3e534bfe0e977324e2c4005ba8","isrc":"USA6M0403603","name":"Puddle Splashers","registered_at":"2026-06-05T11:37:16Z","spotify_id":"1N9jgehBjc3XVjxMv7Eiue","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8d4cdf0ea29fe7e76567000436fcc641532fa3e534bfe0e977324e2c4005ba8. 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/1N9jgehBjc3XVjxMv7Eiue.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/1N9jgehBjc3XVjxMv7Eiue.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd83d4f38c2b5e3504031455c059fbff520c753616fba5f7292a6e234c59c1684. 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/3WS9ak7rsRENV3cV9VRf2D.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/3WS9ak7rsRENV3cV9VRf2D.
{"copyright_id":"0x5818e03ce7a1b5f157a6fc1b114a46930c31c5bbc21be7651ea0feba8a158c98","isrc":"USA6M0403605","name":"In The Clear","registered_at":"2026-06-07T06:06:44Z","spotify_id":"2CUlqYEpXEGzzPAgsiVxzy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5818e03ce7a1b5f157a6fc1b114a46930c31c5bbc21be7651ea0feba8a158c98. 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/2CUlqYEpXEGzzPAgsiVxzy.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/2CUlqYEpXEGzzPAgsiVxzy.
{"copyright_id":"0x8bf2fbf35bc3993ef75c59ea54f50cb80fb67058f9d27fba4d739ea751263478","isrc":"USA6M0403606","name":"Yes, I Am Talking To You","registered_at":"2026-06-06T22:27:04Z","spotify_id":"3iNUhJz7jyoFspsJwRz09C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf2fbf35bc3993ef75c59ea54f50cb80fb67058f9d27fba4d739ea751263478. 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/3iNUhJz7jyoFspsJwRz09C.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/3iNUhJz7jyoFspsJwRz09C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e7391c48991e42b0e6ab7873d64a9596167570fffdde1b59dda48bc98b75259. 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/39wTY67FQ9UBbhXJMECw89.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/39wTY67FQ9UBbhXJMECw89.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202d473e049344fff07c1ba1ee642e25c140d015a2feecd96fd5c3345ef9b3b2. 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/74DSr5CC8YdrElw29uqu5a.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/74DSr5CC8YdrElw29uqu5a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0bf5364f4627ca270d3005936fc1c988e712562ea1da2d677d93cfc6b21b39. 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/7CBwYeN0ITNnmadZb1vjUZ.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/7CBwYeN0ITNnmadZb1vjUZ.
{"copyright_id":"0x7db74af3120a3253a0a53bde0fe8c750ed20818960cb2f5089fa9b96c3c38f17","isrc":"USA6M0403610","name":"The Sands've Turned Purple","registered_at":"2026-06-07T17:55:29Z","spotify_id":"52N5LDX2m2NUcfChskyeRw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db74af3120a3253a0a53bde0fe8c750ed20818960cb2f5089fa9b96c3c38f17. 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/52N5LDX2m2NUcfChskyeRw.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/52N5LDX2m2NUcfChskyeRw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52d99fdc56b2d6e088536ce981246e9deee5149cf43637eed8aaf4ea13555eb1. 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/1T3CfeBzFsYkhpMSWzItso.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/1T3CfeBzFsYkhpMSWzItso.
{"copyright_id":"0x0e691fddb7cbd10279220dc29b9cad096eeca0f60648a45e62c0589f4ae1ba1a","isrc":"USA6M0403612","name":"Que Suerte!","registered_at":"2026-06-08T10:31:39Z","spotify_id":"39Govw9YdNxaFgAqM4DBp0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e691fddb7cbd10279220dc29b9cad096eeca0f60648a45e62c0589f4ae1ba1a. 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/39Govw9YdNxaFgAqM4DBp0.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/39Govw9YdNxaFgAqM4DBp0.
{"copyright_id":"0xdb0f54b8406fbe4e8eee1b93b2a46b2f4ae9a2d67eeb45fa0b0d96fa0141f6d3","isrc":"USA6M0403613","name":"Take On Me","registered_at":"2026-06-06T02:04:23Z","spotify_id":"6kkNs6XdyUSIWZ4piwxxYS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb0f54b8406fbe4e8eee1b93b2a46b2f4ae9a2d67eeb45fa0b0d96fa0141f6d3. 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/6kkNs6XdyUSIWZ4piwxxYS.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/6kkNs6XdyUSIWZ4piwxxYS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a944b5fcfed40a41f90ff6d354e53fef3e758ca06ab8dfa13ee28c3fcbd8422. 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/5NiWRpAOcqdpsi43TWLpT4.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/5NiWRpAOcqdpsi43TWLpT4.
{"copyright_id":"0x0df99c004f7dcaf9f9738a4430eea81d2adec48442eab56ba0e694b532600ef2","isrc":"USA6M0403615","name":"Ooh Do I Love You","registered_at":"2026-06-07T12:08:01Z","spotify_id":"3gEgqQth1OY9XkDmYX1U9F","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df99c004f7dcaf9f9738a4430eea81d2adec48442eab56ba0e694b532600ef2. 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/3gEgqQth1OY9XkDmYX1U9F.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/3gEgqQth1OY9XkDmYX1U9F.
{"copyright_id":"0xbf6698ab94664d680e566d60527bc04a63b3dda6775f3ba5e6b4eab966ebc6f6","isrc":"USA6M0403616","name":"Hey Ma, Do I Hafta Choke On These","registered_at":"2026-06-09T14:42:14Z","spotify_id":"0ccNLbLKpv3gEUU2I91fQz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6698ab94664d680e566d60527bc04a63b3dda6775f3ba5e6b4eab966ebc6f6. 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/0ccNLbLKpv3gEUU2I91fQz.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/0ccNLbLKpv3gEUU2I91fQz.
{"copyright_id":"0xd63bf66b907c2b0cc6a64adff36d4ae2a76433b03bc8c6dda0f13c5a4a812cdb","isrc":"USA6M0403617","name":"Forget Who We Are","registered_at":"2026-06-09T15:35:19Z","spotify_id":"1DFW9NVV4eDb1TL2JJZkq2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd63bf66b907c2b0cc6a64adff36d4ae2a76433b03bc8c6dda0f13c5a4a812cdb. 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/1DFW9NVV4eDb1TL2JJZkq2.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/1DFW9NVV4eDb1TL2JJZkq2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c502b5149e868a1e68bc00b00ae8859db54ea0ab946e20cd944eca6b43a9b2a. 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/2GegrtVlbRc4onY7XXyIst.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/2GegrtVlbRc4onY7XXyIst.
{"copyright_id":"0x4bca0d61356900afb00310cfbdb04aba4ee61f214256e11bdd8bf418c770b7a9","isrc":"USA6M0403619","name":"We Are Scientists!","registered_at":"2026-06-10T01:57:10Z","spotify_id":"22E4tY7WvRie0XsKxX0OlS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bca0d61356900afb00310cfbdb04aba4ee61f214256e11bdd8bf418c770b7a9. 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/22E4tY7WvRie0XsKxX0OlS.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/22E4tY7WvRie0XsKxX0OlS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x336db0ec8260d839713dc20dadae942cc623fb83f44522d4f2ba14ebf5764a43. 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/0NmKR1pYyxmDmLcrwmxt2y.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/0NmKR1pYyxmDmLcrwmxt2y.
{"copyright_id":"0x5f3c404feda23390281653776e0245545146a3ebbd2610f7aac24e5ffb134023","isrc":"USA6M0403621","name":"Troubled By Insects","registered_at":"2026-06-10T15:15:10Z","spotify_id":"7dVbaFx2eHdLPXgwdwIXHl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f3c404feda23390281653776e0245545146a3ebbd2610f7aac24e5ffb134023. 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/7dVbaFx2eHdLPXgwdwIXHl.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/7dVbaFx2eHdLPXgwdwIXHl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5fb7dbe3532b16f4597052f05a6c7f0c67a97528a1225832ded300a4399bf00. 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/709jSf28wullbohwDoGP3k.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/709jSf28wullbohwDoGP3k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6132df979f12b0d8900a40b56e3ba633f7aae18d17d5f4a6e95652fd34b65174. 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/1iXA1OULvxIQAF4ID7Vx5q.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/1iXA1OULvxIQAF4ID7Vx5q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb79356d6f21d34d17b8799ecb7d4cd60c26ea9ccec4ff21b548d31cdf67b4a. 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/6ANofAPTaA3WsecHx7LC69.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/6ANofAPTaA3WsecHx7LC69.
No Use For a Piano Player When You Got a Player Piano
{"copyright_id":"0x6bc6dba0ea35fab0fd3d6626b15a8b66c78c58c4b110632b6231eca9453df095","isrc":"USA6M0403625","name":"No Use For a Piano Player When You Got a Player Piano","registered_at":"2026-06-17T20:20:56Z","spotify_id":"1fcz5yq1r6KjibS8ABsBwZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc6dba0ea35fab0fd3d6626b15a8b66c78c58c4b110632b6231eca9453df095. 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/1fcz5yq1r6KjibS8ABsBwZ.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/1fcz5yq1r6KjibS8ABsBwZ.
{"copyright_id":"0x16ea2a01cc5de65efeea24d8fa859b57db5fbde73147ceac5670c6296a661187","isrc":"USA6M0403626","name":"Scary Kids Scaring Kids","registered_at":"2026-06-10T01:58:03Z","spotify_id":"2aRpkHm1NYeHNTQxcLk0l7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ea2a01cc5de65efeea24d8fa859b57db5fbde73147ceac5670c6296a661187. 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/2aRpkHm1NYeHNTQxcLk0l7.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/2aRpkHm1NYeHNTQxcLk0l7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d47a3e1d1ce83a61ba903d5e15c3b4868611c01e6136494f16b4289af8135bb. 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/0CezmSvew6qjXtNq85Pdat.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/0CezmSvew6qjXtNq85Pdat.
{"copyright_id":"0x58e9046c39ca6dc900d47cf37a4485bbdf0647c5c0939cf876e8a4f723b3e105","isrc":"USA6M0403628","name":"Winter Wonderland","registered_at":"2026-06-19T08:04:45Z","spotify_id":"0HJMrrG9k9i3XlyqCMFJnh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e9046c39ca6dc900d47cf37a4485bbdf0647c5c0939cf876e8a4f723b3e105. 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/0HJMrrG9k9i3XlyqCMFJnh.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/0HJMrrG9k9i3XlyqCMFJnh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e2023e01d68a0147a8470404ab573c25eaed42341e9ad37572e26920b5c9198. 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/6IS6LHFGa3Et5XRD78F4Ow.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/6IS6LHFGa3Et5XRD78F4Ow.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92c45e00af281810a128dddb82263f1a1650d14b19b0ec0cd480c62a22f2c93. 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/2MYCNotQ3s2ez1WlMMLyGU.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/2MYCNotQ3s2ez1WlMMLyGU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1209bd988334cba7adcfb9ed1759c5e3c6060319a68d2845413b7d377c0c14ac. 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/2CJtxtl24yEgawrK3Njzgl.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/2CJtxtl24yEgawrK3Njzgl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf337ddee31b790d4b70be7a429bf07b761077889375ab7f6941471fe6f703b68. 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/5cDQldaW4I4CbdMovtL8G7.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/5cDQldaW4I4CbdMovtL8G7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e212bf7b9cdc24bb626b2c5ee1b3123b28f4f6bd8c31923951d803576bb1f49. 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/1kV1258EHwYDPeTi5BlE3O.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/1kV1258EHwYDPeTi5BlE3O.
{"copyright_id":"0xd940aaa817636be24c2f35a6ed2788dc85c52b58c1e1fba338fc1a9c59594c71","isrc":"USA6M0403634","name":"Ooh Do I Love You","registered_at":"2026-06-07T18:30:23Z","spotify_id":"5VCmFl6YgKZqSnyxwYGQGj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd940aaa817636be24c2f35a6ed2788dc85c52b58c1e1fba338fc1a9c59594c71. 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/5VCmFl6YgKZqSnyxwYGQGj.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/5VCmFl6YgKZqSnyxwYGQGj.