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 0x3be79f84083b1fda1d2437cbc104af727ca25a42ba4ea440376f30b3252a920d. 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/dec43d64-802f-407b-8803-56be6a59061f.json and https://artists.proofprofile.net/proofs/artist/dec43d64-802f-407b-8803-56be6a59061f.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 0xa1380355b0f95690456730a5f9e0e083d32ad0305b1d7c91ef381c32ee9a0159. 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/73K33p4Vyz9koXGqmL5eFs.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/73K33p4Vyz9koXGqmL5eFs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124125dedfbc5757e207ccb50f42dd5ba1b87febc1cc6d8bea7cfe99b73ec360. 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/7Fb9pGzV3VaMRdoaAYbrmp.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/7Fb9pGzV3VaMRdoaAYbrmp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dfcfecb66843929843f34ea722a9141f01363060d5a6621e517c897c6c92f2e. 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/3xMHXmedL5Rvfxmiar9Ryv.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/3xMHXmedL5Rvfxmiar9Ryv.
{"copyright_id":"0x41445137979d1590788f0d10b1ec71ee48d0dedabcb074e7366e4a9d9e207a3e","isrc":"INS181600313","name":"High Heels Te Nachche","registered_at":"2026-06-01T10:28:29Z","spotify_id":"1bAa1OyefOhXdqnL8dlxFt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41445137979d1590788f0d10b1ec71ee48d0dedabcb074e7366e4a9d9e207a3e. 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/1bAa1OyefOhXdqnL8dlxFt.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/1bAa1OyefOhXdqnL8dlxFt.
{"copyright_id":"0x4499cf405790861b7dd18b281f31db501ccce38ddbb77bdb17b5ea05d9e5f8e2","isrc":"INS182302435","name":"Not Ramaiya Vastavaiya","registered_at":"2026-06-04T07:12:10Z","spotify_id":"5inzjqKe05zP1eInEO8O1i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4499cf405790861b7dd18b281f31db501ccce38ddbb77bdb17b5ea05d9e5f8e2. 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/5inzjqKe05zP1eInEO8O1i.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/5inzjqKe05zP1eInEO8O1i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x318a63ad16b5869c8ea678166859e08601037df64f32ccf7c2060609dc989ce8. 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/3qxLYSU1s5pqk8rz6dJNVi.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/3qxLYSU1s5pqk8rz6dJNVi.
{"copyright_id":"0x8c5a7411c39bb7a9fc73b49de50dc6214009ad757aafca1804e5cb4a70b288d4","isrc":"INS182302478","name":"Chaleya Arabic Version","registered_at":"2026-06-06T04:08:45Z","spotify_id":"3roOHDRcGP1WzdUKSXW5qP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c5a7411c39bb7a9fc73b49de50dc6214009ad757aafca1804e5cb4a70b288d4. 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/3roOHDRcGP1WzdUKSXW5qP.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/3roOHDRcGP1WzdUKSXW5qP.
Mmirsa (Original Motion Picture Soundtrack)
{"copyright_id":"0x2d4e12880fe59636f3a936c170ba05f86fe1a7fd3a3f1fda8b5797e639f04197","isrc":"INZ031401659","name":"Naio Jeena Tere Bina","registered_at":"2026-06-08T19:11:32Z","spotify_id":"1J9vOKmEVNQaiYuEESm8XK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d4e12880fe59636f3a936c170ba05f86fe1a7fd3a3f1fda8b5797e639f04197. 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/1J9vOKmEVNQaiYuEESm8XK.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/1J9vOKmEVNQaiYuEESm8XK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2506f3c6746de262e3c820f03695711266798f7fd68836a7a3f1dc0c2fbbc7. 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/7dfB2EGfgTmwMGWJMSEBjs.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/7dfB2EGfgTmwMGWJMSEBjs.
SuperHero HanuMan (From "HanuMan") [Hindi]
HanuMan (Original Motion Picture Soundtrack) [Hindi])
{"copyright_id":"0x9fbfbd22bede8fe363da895780713cd93b41b5c6591e6dc5df6a593fc6ffe1db","isrc":"INT102305932","name":"SuperHero HanuMan (From \"HanuMan\") [Hindi]","registered_at":"2026-06-22T02:02:32Z","spotify_id":"59eWF7thfqT9qvdnCx93FD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fbfbd22bede8fe363da895780713cd93b41b5c6591e6dc5df6a593fc6ffe1db. 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/59eWF7thfqT9qvdnCx93FD.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/59eWF7thfqT9qvdnCx93FD.
Badla (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4dbb46b0a521aaf7d30bb3cde9c2a37d6252be26826731d2216d7223a70ac1. 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/65X4BLUp4H3jcda0jf8AJk.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/65X4BLUp4H3jcda0jf8AJk.
{"copyright_id":"0xd95a2a7ba99ecc108d0ade31de55afa90e55428a1c22989f2f1de7d1960fd86a","isrc":"INZ031405050","name":"Kyun Rabba - Acoustic","registered_at":"2026-06-09T06:24:06Z","spotify_id":"4tDvz9F1UfKIS3CSpHcUpM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95a2a7ba99ecc108d0ade31de55afa90e55428a1c22989f2f1de7d1960fd86a. 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/4tDvz9F1UfKIS3CSpHcUpM.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/4tDvz9F1UfKIS3CSpHcUpM.
Mitti (Suresh Wadkar Version) [From “Fighter”]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5943a2117687172137d0f789a5de467cda1ba0d916072d6e780bd70963d33861. 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/68hDecrVQCvVtzcYcvFMJX.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/68hDecrVQCvVtzcYcvFMJX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c890220d632b7836da514180e6f6561bcf9c90934e133cc83c3e7ed4567d122. 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/23YpzkTDtU78GK6vpgRbkM.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/23YpzkTDtU78GK6vpgRbkM.