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 0xf81f8c49a9eff6c65316398fd4da82fdba498672c5fbbca8bd6266653d0c3a3f. 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/9767778d-8bee-42fc-977d-1f42e0f81dbc.json and https://artists.proofprofile.net/proofs/artist/9767778d-8bee-42fc-977d-1f42e0f81dbc.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 0xf190b714fba7eefea7a89f3f24d852399ce568393366f09a005d06401ad2f4b9. 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/4gB8rUV746EuEjY7ejZMno.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/4gB8rUV746EuEjY7ejZMno.
{"copyright_id":"0x6d4b1a75a2f239f4f5f82fc31ea3206b2fc2e113af3898f50c9bb81c6f4bf936","isrc":"DGA092474973","name":"Jee Loon Main Tujhko","registered_at":"2026-06-05T12:41:15Z","spotify_id":"49jCMXY2H4AmqfpZGaFYzF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d4b1a75a2f239f4f5f82fc31ea3206b2fc2e113af3898f50c9bb81c6f4bf936. 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/49jCMXY2H4AmqfpZGaFYzF.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/49jCMXY2H4AmqfpZGaFYzF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e2295481784ac82e43d90d61b6bb0432da42ed119e1b017281faadf927ddb2. 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/4QE3flDw7jWwGDwhWzEEcV.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/4QE3flDw7jWwGDwhWzEEcV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72d7125bd372f02be7578178d676da74b842409109eae207e132a5382f09798. 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/4yfd2sa1qRPAbrR9etQ0Hx.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/4yfd2sa1qRPAbrR9etQ0Hx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc781751aad732792044699a483b08039597925bc179fb259c475ef268a9fb5a. 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/3TG0iwvXpzFbFck6d2Xlpw.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/3TG0iwvXpzFbFck6d2Xlpw.
{"copyright_id":"0x41bef12e8d360b9e89e07ce195629b3fa4908cd340af78be19f5801bb8ea9cbe","isrc":"US38Y2505130","name":"Mere Saath Chala Kar","registered_at":"2026-06-04T13:48:41Z","spotify_id":"2HqXJL51JZQ1SfhoqzBJxv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41bef12e8d360b9e89e07ce195629b3fa4908cd340af78be19f5801bb8ea9cbe. 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/2HqXJL51JZQ1SfhoqzBJxv.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/2HqXJL51JZQ1SfhoqzBJxv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0edf2df8fa7c54d614ff3f8622ee03cd4cd8353594e813344280bd62c4220a58. 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/71PK6mFn6sHryHXfOh4yud.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/71PK6mFn6sHryHXfOh4yud.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0717260e4318a9e5c2c66b12e9621a53e21e137e6f68fc608945b465a92dc3. 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/4SjkD4U8nX7PYGajTab3Ck.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/4SjkD4U8nX7PYGajTab3Ck.
Tu Junoon Sa Laga (Lofi Slowed + Reverb)
{"copyright_id":"0x4016175ef9a210bd027e5d0af33f7ecbebf553d0ce85b374fca50d4645a82936","isrc":"INP912400053","name":"Saansein Aakhri","registered_at":"2026-06-09T19:17:25Z","spotify_id":"3AcwTSSqRi8ZwVZgvyuhUm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4016175ef9a210bd027e5d0af33f7ecbebf553d0ce85b374fca50d4645a82936. 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/3AcwTSSqRi8ZwVZgvyuhUm.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/3AcwTSSqRi8ZwVZgvyuhUm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed40d66e6682af9bcc1350cbc853566c72aa561d0213a03dd572a32f68df52f. 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/1gCK1zVbH23f077JjYQTLI.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/1gCK1zVbH23f077JjYQTLI.
Hove Purab Mubarak (From "Purab Mubarak Season 1")
{"copyright_id":"0x6303a06e0cebffbf34e4f1a8a1f874a0b1d779f1d76381dd2cee95fe7efbe2c0","isrc":"USA2P2456720","name":"Kahani Khatam Hui","registered_at":"2026-06-11T15:01:52Z","spotify_id":"1h8Zjud9HqRJ317mfOSqSU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6303a06e0cebffbf34e4f1a8a1f874a0b1d779f1d76381dd2cee95fe7efbe2c0. 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/1h8Zjud9HqRJ317mfOSqSU.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/1h8Zjud9HqRJ317mfOSqSU.
{"copyright_id":"0xb7801bc679bde49985d0878504bfe4481a9b58b2b32b346f9bd7c4cca6d17807","isrc":"INS182300971","name":"Dil Jahan Pe Le Chala (Shahid Mallya)","registered_at":"2026-06-20T06:06:45Z","spotify_id":"1CbEP7DjmmEk2jHpkRAmoz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7801bc679bde49985d0878504bfe4481a9b58b2b32b346f9bd7c4cca6d17807. 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/1CbEP7DjmmEk2jHpkRAmoz.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/1CbEP7DjmmEk2jHpkRAmoz.
FCUK (Original Motion Picture Soundtrack)
Rabba Main Toh Mar Gaya Oye (From "Mausam")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x929e97a051630771894d9a6151b31cbfafab0699786ae1a6e9f91595640db202. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:32:24Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3dVPHlx4FRAt9Su1Opm9gz.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/3dVPHlx4FRAt9Su1Opm9gz.
{"copyright_id":"0xf699972f728aa2d6e4cc7983538d334ae1a4be2ab9b58779acfd51cf0c7b6302","isrc":"INS181601027","name":"Toh Dishoom (From \"Dishoom\")","registered_at":"2026-06-08T02:44:05Z","spotify_id":"6suZL6DIDUldEhznMG8zVT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf699972f728aa2d6e4cc7983538d334ae1a4be2ab9b58779acfd51cf0c7b6302. 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/6suZL6DIDUldEhznMG8zVT.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/6suZL6DIDUldEhznMG8zVT.
Jab Harry Met Sejal (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0074a7133364292eaa26e4aed5f31f4037d8c5966b6d107fb8eb74aa4b944355. 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/5yYgGkyYJmmSwRp3caFplJ.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/5yYgGkyYJmmSwRp3caFplJ.
{"copyright_id":"0xd7f97b033b92a65ffb25bc46c1c3b9730e83fbde45cc606facc20d3401b85278","isrc":"INS181400289","name":"Tauba Main Vyaah Karke Pachhtaya","registered_at":"2026-06-18T00:36:49Z","spotify_id":"5VXTYeDCETCDv7v1n2Y5Sl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7f97b033b92a65ffb25bc46c1c3b9730e83fbde45cc606facc20d3401b85278. 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/5VXTYeDCETCDv7v1n2Y5Sl.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/5VXTYeDCETCDv7v1n2Y5Sl.
Tauba Main Vyaah Karke Pachhtaya (Punjabi)
{"copyright_id":"0x3f72a3f142b0469ce7b2fc5adf2948dc4aa51f60e6a555cd774200b386d0a527","isrc":"INS181400325","name":"Tauba Main Vyaah Karke Pachhtaya (Punjabi)","registered_at":"2026-06-24T13:16:04Z","spotify_id":"1uo57XA2arg42j6ZBodqrU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f72a3f142b0469ce7b2fc5adf2948dc4aa51f60e6a555cd774200b386d0a527. 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/1uo57XA2arg42j6ZBodqrU.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/1uo57XA2arg42j6ZBodqrU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf529af0810f26ecf8783f88695fc8516a591e319b0a9c05cffddab85171dd19. 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/1YcLusiI85b6bnrD1AcoIo.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/1YcLusiI85b6bnrD1AcoIo.
Manmarziyaan (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5fa0ca9d0b43ef822f1e00fee1dfbd49afbb6e0ff920031428ec5d27a17038. 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/5WJ7hrAsgcfncN8zussoFq.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/5WJ7hrAsgcfncN8zussoFq.
{"copyright_id":"0x380a3ed92dcf0342765b5a26d382f3b27f5bea8f618dbe4f1ee7db032d84cdce","isrc":"GBSGZ1502717","name":"Sacchi Mohabbat","registered_at":"2026-06-05T11:20:49Z","spotify_id":"790D3Jf8ZxfcCWkcITtkUP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380a3ed92dcf0342765b5a26d382f3b27f5bea8f618dbe4f1ee7db032d84cdce. 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/790D3Jf8ZxfcCWkcITtkUP.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/790D3Jf8ZxfcCWkcITtkUP.