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 0x89d8990e1999bd152c259b631ccf6a037307c4594bfd20fdbc80f30d9e77d2f5. 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/5da4aa3d-5434-4dcb-a11b-a28771781445.json and https://artists.proofprofile.net/proofs/artist/5da4aa3d-5434-4dcb-a11b-a28771781445.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Julie 2 (Tamil) (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 0x67df238e0432208fc1439238a44404fe4188dbb729ea0466f5b0cae7738ad80a. 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/2EbRm9UsLNEFRFBSx55flA.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/2EbRm9UsLNEFRFBSx55flA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80ebc4c2757f12aab3490952f20796c941c17a4f730615aa2e994ac6d8f8c494. 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/0HTGloy7q486rlXGm40nuM.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/0HTGloy7q486rlXGm40nuM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e597c1634f6298db2ed28793f485475a6f1422d8c4709e371c49f32a5783d8. 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/3GHA1aRyoCsYlp30fW1Pi6.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/3GHA1aRyoCsYlp30fW1Pi6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5388e43f203975ac998944b11900f3786f9daaf59f21b86f5daacf2367b6e78e. 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/0NA2fW0CDVEtCZkvjjzItG.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/0NA2fW0CDVEtCZkvjjzItG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee804b382df81a880e772d29926bd153d96eb1d9a8365d3e3e1bcc1467270c02. 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/4DvYavu447CIKDQnwXPCnH.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/4DvYavu447CIKDQnwXPCnH.
{"copyright_id":"0xee804b382df81a880e772d29926bd153d96eb1d9a8365d3e3e1bcc1467270c02","isrc":"INS172221539","name":"Dhol Bajaa - Garba Song","registered_at":"2026-06-05T13:31:39Z","spotify_id":"6JJaxPziuyO8FVfYHLaLG1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee804b382df81a880e772d29926bd153d96eb1d9a8365d3e3e1bcc1467270c02. 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/6JJaxPziuyO8FVfYHLaLG1.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/6JJaxPziuyO8FVfYHLaLG1.
{"copyright_id":"0xac6c1d2f72197f30094268e4377235c0b79abc77a8a4d49a8abb8d4d3b98fd11","isrc":"INS172104295","name":"Kabhii Tumhhe - Lofi Flip","registered_at":"2026-06-04T07:25:11Z","spotify_id":"1Bd027R0spghop0PUwgjyN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac6c1d2f72197f30094268e4377235c0b79abc77a8a4d49a8abb8d4d3b98fd11. 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/1Bd027R0spghop0PUwgjyN.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/1Bd027R0spghop0PUwgjyN.
{"copyright_id":"0x5388e43f203975ac998944b11900f3786f9daaf59f21b86f5daacf2367b6e78e","isrc":"INS172102781","name":"Kabhii Tumhhe (From \"Shershaah\")","registered_at":"2026-06-01T15:31:23Z","spotify_id":"6R6BpMBFQrF7n2uEOxYmss","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5388e43f203975ac998944b11900f3786f9daaf59f21b86f5daacf2367b6e78e. 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/6R6BpMBFQrF7n2uEOxYmss.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/6R6BpMBFQrF7n2uEOxYmss.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639926bf8af3931017b8cdd27d32b13685c6c4cb5315172025f98b965c56bbd4. 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/6Y0YrcHs0SQzk8NvCCXhQD.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/6Y0YrcHs0SQzk8NvCCXhQD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x533534bd93da42863804504043876da703be3d4931817256dbe0747e926b3533. 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/3rrZzPDjxpI5PXvO09pPVF.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/3rrZzPDjxpI5PXvO09pPVF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9cedf29c2432683b631777daee6717f17d9a423464211748becba88f107ef1. 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/2IOTCQUi4sAdfY2p9jZC6G.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/2IOTCQUi4sAdfY2p9jZC6G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9cedf29c2432683b631777daee6717f17d9a423464211748becba88f107ef1. 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/4oCCEE3wFWydKb2LhBsyHn.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/4oCCEE3wFWydKb2LhBsyHn.
Shershaah (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5388e43f203975ac998944b11900f3786f9daaf59f21b86f5daacf2367b6e78e. 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/6Sflud15ff1KqBzg6wj78S.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/6Sflud15ff1KqBzg6wj78S.
{"copyright_id":"0xe842e3c194a30216123e6ad3a1e33a4569cdaebe36c82e451a4c0e54c9dcf622","isrc":"INS172102782","name":"Kabhii Tumhhe - Female Version","registered_at":"2026-06-04T11:12:29Z","spotify_id":"330joCgJHJGHFLOgJCvNEM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe842e3c194a30216123e6ad3a1e33a4569cdaebe36c82e451a4c0e54c9dcf622. 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/330joCgJHJGHFLOgJCvNEM.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/330joCgJHJGHFLOgJCvNEM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6029fab968be8051800f52ad5fdadefb4f20623c72fb33c4c16699a38a3c3209. 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/4aWDKJWQUBsR3chAmvzK4i.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/4aWDKJWQUBsR3chAmvzK4i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9cedf29c2432683b631777daee6717f17d9a423464211748becba88f107ef1. 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/13ZD0gBCwIoMOPjgvbFitL.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/13ZD0gBCwIoMOPjgvbFitL.
{"copyright_id":"0x3583ea9555cbf64cf1de1946a763e8994b44ce909ba0e4db5eef2222ab68a759","isrc":"INZ031410134","name":"Nonstop Party Mix - 2021 Mashup","registered_at":"2026-06-05T08:08:54Z","spotify_id":"1HTpmbXSU50zXakgOSbbtw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3583ea9555cbf64cf1de1946a763e8994b44ce909ba0e4db5eef2222ab68a759. 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/1HTpmbXSU50zXakgOSbbtw.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/1HTpmbXSU50zXakgOSbbtw.