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 0xf65714de8ff87e859182439f8c851ad5ee0681628a4b30657ceb12b69aeb3089. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab68c48c-100e-4d11-b5ef-9189058196b3.json and https://artists.proofprofile.net/proofs/artist/ab68c48c-100e-4d11-b5ef-9189058196b3.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 0x37bcd9490de332b3d066755bd012758c18723a4349b70567e092737da7d15e86. 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/6EzJjro9OaiD1HdAgSREci.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/6EzJjro9OaiD1HdAgSREci.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df5cb9d9e315c5b1e163ba24b9b4df4aa8e7150d124d1430e38d266f045cd38. 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/6u5YoYzSZNXLmmm1ioeUGF.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/6u5YoYzSZNXLmmm1ioeUGF.
Hamaari Tumhaari (From "Jaan Abhi Baaki Hai")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd685012176dbf3e10f36f51848947f0fdfa6b26610b9092634ece813d06d0a0. 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/759v9esiTOhEVCSvDsao67.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/759v9esiTOhEVCSvDsao67.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7929faaa29d2ef01ba2930706d68ed730e6d35d659f258d6f3bf6e3070d213. 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/5KVwEeamaB1UtVEe4dWRgH.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/5KVwEeamaB1UtVEe4dWRgH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983cf5c1cbcac1d754afd7bee7078dad6584366c0fe361513a9694cb8a3c81e5. 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/3JYH70LCF7ZjAoAsbF75tv.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/3JYH70LCF7ZjAoAsbF75tv.
Hullor (Original Motion Picture Soundtrack)
{"copyright_id":"0x5e74a3c671ab011ab81dcdb50554e7c7da80bdff8d9973b739d32a5dec690db3","isrc":"IND372203517","name":"Hasde Zara","registered_at":"2026-06-25T09:37:08Z","spotify_id":"4yklEkROSTXhh1ACqXX86O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e74a3c671ab011ab81dcdb50554e7c7da80bdff8d9973b739d32a5dec690db3. 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/4yklEkROSTXhh1ACqXX86O.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/4yklEkROSTXhh1ACqXX86O.
{"copyright_id":"0x3213ceded2e8038479f4d5ad28e9a2208902cb193b58af1d532c2ec4888aac0f","isrc":"DGA062432542","name":"Dheemi Dheemi Barsaat","registered_at":"2026-06-08T04:37:40Z","spotify_id":"4fMkF5pPixKs5m7XUuSU3X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3213ceded2e8038479f4d5ad28e9a2208902cb193b58af1d532c2ec4888aac0f. 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/4fMkF5pPixKs5m7XUuSU3X.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/4fMkF5pPixKs5m7XUuSU3X.
{"copyright_id":"0x1f250f1942b76c7c4218f9318a3afd0c77ad872c4e48aebf22d032b1e59447fc","isrc":"INS3O1800050","name":"Ay na aro kache (From \"Love Story\")","registered_at":"2026-06-18T01:54:26Z","spotify_id":"5Az6XZEeuPRE4j2PXURPw5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f250f1942b76c7c4218f9318a3afd0c77ad872c4e48aebf22d032b1e59447fc. 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/5Az6XZEeuPRE4j2PXURPw5.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/5Az6XZEeuPRE4j2PXURPw5.
Tobe Ki Tomay Ami Pabo Na (Slowed & Reverb)
{"copyright_id":"0xa7d16b60d45ede2577e1f866bb2befc84ae60c67b114da2006bc18be7e6a1de2","isrc":"INZ031414674","name":"O Heeriye","registered_at":"2026-06-19T11:50:54Z","spotify_id":"5eVBULxiILKFqiQuTM66ND","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7d16b60d45ede2577e1f866bb2befc84ae60c67b114da2006bc18be7e6a1de2. 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/5eVBULxiILKFqiQuTM66ND.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/5eVBULxiILKFqiQuTM66ND.
{"copyright_id":"0x85d2edb13c50354f93d05e3b1d9f68c26982befb347c17853c043c9caebdf096","isrc":"INZ031411261","name":"Manjha - From \"Middle Class Love\"","registered_at":"2026-06-06T17:03:11Z","spotify_id":"4P5Kx9xbtQbpJ5EPmowkHJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d2edb13c50354f93d05e3b1d9f68c26982befb347c17853c043c9caebdf096. 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/4P5Kx9xbtQbpJ5EPmowkHJ.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/4P5Kx9xbtQbpJ5EPmowkHJ.
Dil Dhak Dhak Karta Hai - From "Doctor G"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9e29f283856697d0e1c24d4721eb63a8d32447f9d3d1820271ad8120036485. 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/1mOi8dQyZwYnww3H50OnDj.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/1mOi8dQyZwYnww3H50OnDj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023083485851ee844b42f64f7b8075174770de184b490ee86de18c2bb6b1c55e. 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/1nYrbDbFEitFdraIl4UfMR.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/1nYrbDbFEitFdraIl4UfMR.
Doctor G (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023083485851ee844b42f64f7b8075174770de184b490ee86de18c2bb6b1c55e. 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/5NsllXSnPV85TADW3hmSaX.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/5NsllXSnPV85TADW3hmSaX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9e29f283856697d0e1c24d4721eb63a8d32447f9d3d1820271ad8120036485. 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/47FwNepUgR3srn7Z4Ko3Zp.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/47FwNepUgR3srn7Z4Ko3Zp.
Badhaai Do (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04953b007c3d58de63824c318825632320d70475fc08ad28b8fbe674c406cdf. 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/4WU9Jm8bGp4tqQyocoMTPm.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/4WU9Jm8bGp4tqQyocoMTPm.
Villain (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb46e10f607cfa3777059af2c1816f19be281139a463cb90ca611a1b475b1a3d5. 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/55bytTCxc7WbROGTDcYZIk.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/55bytTCxc7WbROGTDcYZIk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd329166de7ecef3e206ba7f944f0a3d7d4fe7cd91c8cd6d61d27b80fb6287791. 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/0GusUr1cW01BE7bhMQAvkZ.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/0GusUr1cW01BE7bhMQAvkZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444c3f91b5dabd17f8570fe14d0611f70236840543602a38549874a13e166fc5. 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/3YCkwL23uvZSOseHeqIyK5.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/3YCkwL23uvZSOseHeqIyK5.