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 0x9af99ac48b3444b950680c1e19b9b878aef2c4c4b9f19c5d71f08fcaa8033cc5. 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/d5b71906-ae26-4a39-874f-f64b32f60bca.json and https://artists.proofprofile.net/proofs/artist/d5b71906-ae26-4a39-874f-f64b32f60bca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Saawariya (Original Motion Picture Soundtrack)
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 0x0ee8a0fc74db546aabc7285459e434b5573b591860c58568e33cbb4f10335f18. 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/5T6yrJuKWnkCH2OlQsoO7z.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/5T6yrJuKWnkCH2OlQsoO7z.
{"copyright_id":"0x46ee9cf226ba7404eddab8b2f4bb00629a506ded0851cbedf151dc360bc73172","isrc":"INS170709290","name":"Jab Se Tere Naina","registered_at":"2026-06-01T07:05:20Z","spotify_id":"0gRNu9dVzi5aC87AI1empZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ee9cf226ba7404eddab8b2f4bb00629a506ded0851cbedf151dc360bc73172. 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/0gRNu9dVzi5aC87AI1empZ.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/0gRNu9dVzi5aC87AI1empZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb745b2bdd9a559750e3a9e723ccc091fa86df9cf8d6a47d3964485e1f0c1ddfd. 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/64kG1s7XzOpaWVwFRjvIV7.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/64kG1s7XzOpaWVwFRjvIV7.
{"copyright_id":"0x3d8b429ca1c788d1edc12932ddcbf97f6bacbeb8282dae7029a146c70e505207","isrc":"INS170709292","name":"Thode Badmash","registered_at":"2026-06-04T09:46:04Z","spotify_id":"2XlrUrbMQnveIQUIJsVi5G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d8b429ca1c788d1edc12932ddcbf97f6bacbeb8282dae7029a146c70e505207. 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/2XlrUrbMQnveIQUIJsVi5G.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/2XlrUrbMQnveIQUIJsVi5G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b1cf2a571753f57360b190a72566a5923ad4e356a1e387feedaad19f8d7389. 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/4GrzhbZQQc9SrU4Vo6J3WY.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/4GrzhbZQQc9SrU4Vo6J3WY.
{"copyright_id":"0x0a76d0b978d497221fe3236cbdd74511c43d3d06bb067320d2c13cebbd2deae0","isrc":"INS170709294","name":"Daras Bina Nahin Chain","registered_at":"2026-06-07T00:57:26Z","spotify_id":"2zeb6vp27AjF7nCP2yRgy8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a76d0b978d497221fe3236cbdd74511c43d3d06bb067320d2c13cebbd2deae0. 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/2zeb6vp27AjF7nCP2yRgy8.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/2zeb6vp27AjF7nCP2yRgy8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae32e375cfe3e153dd001da8ad65ff8212856aed7e681c22d29c727c2396609. 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/6SnQ2dGEPGDBIUwPBOtmui.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/6SnQ2dGEPGDBIUwPBOtmui.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x203170d8562ab4b92156bc937f99a6f6ad20d97f0fa85dc1fcbddd272cd935dd. 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/1QJgMhhCVH04Ltig1Bs9fX.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/1QJgMhhCVH04Ltig1Bs9fX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603a8ee25db41942b0dd9a54753c7d5b937de10ccfde1499dc5838894abf15f4. 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/08PjcGdCXUzgkidwba76Ss.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/08PjcGdCXUzgkidwba76Ss.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac6e4a6940db31589bb6d0fd1df70b3305d8d96dc7abfc240bd39314fd7aade6. 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/1hiymB0nRJQQ661XjVRNzP.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/1hiymB0nRJQQ661XjVRNzP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535516cc512a3815727e63c579391e26c741522acdad453565d7e676f6c6e8ba. 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/1rsHGOqu5MSWTc4Ios6LwD.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/1rsHGOqu5MSWTc4Ios6LwD.
{"copyright_id":"0xb745b2bdd9a559750e3a9e723ccc091fa86df9cf8d6a47d3964485e1f0c1ddfd","isrc":"INS170709291","name":"Masha-Allah (From \"Saawariya\")","registered_at":"2026-06-05T21:43:24Z","spotify_id":"42jEd0EfKxdNTaUDE9JtEk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb745b2bdd9a559750e3a9e723ccc091fa86df9cf8d6a47d3964485e1f0c1ddfd. 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/42jEd0EfKxdNTaUDE9JtEk.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/42jEd0EfKxdNTaUDE9JtEk.
{"copyright_id":"0x46ee9cf226ba7404eddab8b2f4bb00629a506ded0851cbedf151dc360bc73172","isrc":"INS170709290","name":"Jab Se Tere Naina","registered_at":"2026-06-01T07:05:20Z","spotify_id":"7uo6aVjOe9HeL2sakg8Wv2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ee9cf226ba7404eddab8b2f4bb00629a506ded0851cbedf151dc360bc73172. 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/7uo6aVjOe9HeL2sakg8Wv2.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/7uo6aVjOe9HeL2sakg8Wv2.
{"copyright_id":"0x46ee9cf226ba7404eddab8b2f4bb00629a506ded0851cbedf151dc360bc73172","isrc":"INS170709290","name":"Jab Se Tere Naina (From \"Saawariya\")","registered_at":"2026-06-01T07:05:19Z","spotify_id":"6oNlOOnQddizIuitX438zp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ee9cf226ba7404eddab8b2f4bb00629a506ded0851cbedf151dc360bc73172. 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/6oNlOOnQddizIuitX438zp.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/6oNlOOnQddizIuitX438zp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee8a0fc74db546aabc7285459e434b5573b591860c58568e33cbb4f10335f18. 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/2xVyI31oCdwGyVVDJRUrXw.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/2xVyI31oCdwGyVVDJRUrXw.
{"copyright_id":"0x47c8a7bb339e20aaf05bef915bf83659398b9515ad200e61772a7fa798480ed5","isrc":"INS172307547","name":"Yoon Shabnami - Lofi Flip","registered_at":"2026-06-27T04:22:14Z","spotify_id":"7KIwzO52ktkvNLH5sghKhO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47c8a7bb339e20aaf05bef915bf83659398b9515ad200e61772a7fa798480ed5. 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/7KIwzO52ktkvNLH5sghKhO.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/7KIwzO52ktkvNLH5sghKhO.
{"copyright_id":"0xc848cbf30b700bf2bb800e64ac06d45db9f956b756571188ec8b28522cfb1c3e","isrc":"INS172300184","name":"Jab Se Tere Naina - Lofi Flip","registered_at":"2026-06-04T11:10:33Z","spotify_id":"2SsEV1a45Z5ysjX73lBjwC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc848cbf30b700bf2bb800e64ac06d45db9f956b756571188ec8b28522cfb1c3e. 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/2SsEV1a45Z5ysjX73lBjwC.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/2SsEV1a45Z5ysjX73lBjwC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf06a02290148e435926769b8c3542449e9262d9859d3ec101e7f444f658c2800. 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/4bsPwQ1e54bD69urGwDybd.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/4bsPwQ1e54bD69urGwDybd.