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 0x9d49f82b597d3843999697f47b01e4e75709b9a6e17493f44c42bf01f7053a18. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b748ba9-1f03-4fb7-bb3b-d8866aaf76d6.json and https://artists.proofprofile.net/proofs/artist/6b748ba9-1f03-4fb7-bb3b-d8866aaf76d6.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 0x9828f8cb66bf8b7f6aecbecd25935818c5e5deb1231713fe2c6eb174c5f575bb. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08GpiEcLrpb8UnkO2hfhOf.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/08GpiEcLrpb8UnkO2hfhOf.
Cot Damn (feat. Ab-Liva & Rosco P. Coldchain)
Ma, I Don't Love Her (feat. Faith Evans)
I'm Not You (feat. Jadakiss, Style P & Rosco P. Coldchain)
Grindin' (feat. N.O.R.E., Birdman & Lil Wayne) - Remix - Main
Grindin' (feat. Sean Paul, Bless & Kardinal Offishall) - Selector Remix - Main
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9828f8cb66bf8b7f6aecbecd25935818c5e5deb1231713fe2c6eb174c5f575bb. 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/3XrvEifl0hIzgBGUa5jBLS.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/3XrvEifl0hIzgBGUa5jBLS.
Grindin' (feat. N.O.R.E., Baby & Lil' Wayne) - Remix - Radio
Grindin' (feat. Sean Paul, Bless & Kardinal Offishall) - Selector Remix - Radio
Ma, I Don't Love Her (feat. Faith Evans) - Radio Mix
Ma, I Don't Love Her (feat. Faith Evans) - Instrumental
{"copyright_id":"0xb2d3ce8de0787081e1834f84dad070da0edcddaad5ab8d92e3578225a065e7c4","isrc":"USLF20600089","name":"Mr. Me Too","registered_at":"2026-06-17T20:52:56Z","spotify_id":"6sJZfh6rmywnuIOQCLUEYJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d3ce8de0787081e1834f84dad070da0edcddaad5ab8d92e3578225a065e7c4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6sJZfh6rmywnuIOQCLUEYJ.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/6sJZfh6rmywnuIOQCLUEYJ.
Wamp Wamp (What It Do) (feat. Slim Thug)
Nightmares (feat. Bilal & Pharrell Williams)
We Got It For Cheap (Intro) - Main Version - Explicit
Momma I'm So Sorry - Main Version - Explicit
Wamp Wamp (What It Do) - Main Version - Explicit
Ride Around Shining - Main Version - Explicit
Hello New World - Main Version - Explicit
Keys Open Doors - Main Version - Explicit
Chinese New Year - Main Version - Explicit
Kinda Like a Big Deal (feat. Kanye West)
All Eyes On Me - featuring Keri Hilson - Clean Album Version
Popular Demand (Popeyes) (feat. Cam'ron & Pharrell Williams) - Radio Edit
Popular Demand (Popeyes) (feat. Cam'ron & Pharrell Williams)
I'm Good - Remix featuring Rick Ross & Pharrell - Explicit
Popular Demand (Popeyes) - featuring Cam'ron and Pharrell - Explicit Album Version
Kinda Like A Big Deal - featuring Kanye West - Explicit Album Version
Showing Out - featuring Yo Gotti - Explicit Album Version
I'm Good - featuring Pharrell - Explicit Album Version
There Was A Murder - Explicit Album Version
Never Will It Stop - featuring Ab Liva - Explicit Album Version
All Eyes On Me - featuring Keri Hilson - Explicit Album Version
Counseling - featuring Nicole Hurst - Explicit Album Version
{"copyright_id":"0x25b2efc525b16dfa5744ffb4b3b89af76e6e6d6256c4880dfa1ca9b2bcfc032a","isrc":"QZD442001478","name":"Ace Trumpets","registered_at":"2026-06-05T20:04:20Z","spotify_id":"1JvQhXD5FxkK2GjHCyFmZa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b2efc525b16dfa5744ffb4b3b89af76e6e6d6256c4880dfa1ca9b2bcfc032a. 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/1JvQhXD5FxkK2GjHCyFmZa.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/1JvQhXD5FxkK2GjHCyFmZa.
{"copyright_id":"0x2fc84ea150e18c1e3a32297ca2a14847e2ad5d65642faeaaed46dfea2d113002","isrc":"USUM71920468","name":"Use This Gospel","registered_at":"2026-06-01T17:34:54Z","spotify_id":"0oPOuDmmkVp3h6puekhs6P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc84ea150e18c1e3a32297ca2a14847e2ad5d65642faeaaed46dfea2d113002. 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/0oPOuDmmkVp3h6puekhs6P.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/0oPOuDmmkVp3h6puekhs6P.
I Pray For You (feat. Labrinth & MALICE)
{"copyright_id":"0xd9d7ec11416fed336e0ea7feeb4d4a7cd594f5f885d0437ec94e6f50c1120728","isrc":"USUM72203837","name":"I Pray For You (feat. Labrinth & MALICE)","registered_at":"2026-06-04T12:30:55Z","spotify_id":"7HsG7U7aQhafXqa41dBxlK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d7ec11416fed336e0ea7feeb4d4a7cd594f5f885d0437ec94e6f50c1120728. 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/7HsG7U7aQhafXqa41dBxlK.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/7HsG7U7aQhafXqa41dBxlK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd60639181c956d6341d74e09295ee34ef601c81a3db2eb674582951287ea3839. 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/1NxZp8uYShqpkxcyaaLUKs.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/1NxZp8uYShqpkxcyaaLUKs.
{"copyright_id":"0xd9d7ec11416fed336e0ea7feeb4d4a7cd594f5f885d0437ec94e6f50c1120728","isrc":"USUM72203837","name":"I Pray For You (feat. Labrinth & MALICE)","registered_at":"2026-06-04T12:30:55Z","spotify_id":"0NZIjeDTtOoiCpoGxSwy26","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d7ec11416fed336e0ea7feeb4d4a7cd594f5f885d0437ec94e6f50c1120728. 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/0NZIjeDTtOoiCpoGxSwy26.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/0NZIjeDTtOoiCpoGxSwy26.
{"copyright_id":"0xd9d7ec11416fed336e0ea7feeb4d4a7cd594f5f885d0437ec94e6f50c1120728","isrc":"USUM72203837","name":"I Pray For You","registered_at":"2026-06-04T12:30:55Z","spotify_id":"3fmQERmMgJsqdatw2HV8vu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d7ec11416fed336e0ea7feeb4d4a7cd594f5f885d0437ec94e6f50c1120728. 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/3fmQERmMgJsqdatw2HV8vu.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/3fmQERmMgJsqdatw2HV8vu.
Hip Hop 100 Hits - Urban rap & R n B anthems inc. Jay Z, A$ap Rocky, Wu-Tang Clan & Nas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d3ce8de0787081e1834f84dad070da0edcddaad5ab8d92e3578225a065e7c4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/615yyukjpmybFCk75vcSbi.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/615yyukjpmybFCk75vcSbi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36e0389e715c40a955371f372b776feae58c2d90ca63fbb8028187b0cfb6d79. 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/2W5GutGRsEyxJGLZ6IR17N.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/2W5GutGRsEyxJGLZ6IR17N.
{"copyright_id":"0xe3d4b399d7994ffd2ab97ccad8313fbeff01a9e8a4f0398e169109ea3053fbf3","isrc":"USUM71101889","name":"City Of Dreams","registered_at":"2026-06-20T21:26:46Z","spotify_id":"37VfNM0Ff0biDu6cFDtB2L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d4b399d7994ffd2ab97ccad8313fbeff01a9e8a4f0398e169109ea3053fbf3. 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/37VfNM0Ff0biDu6cFDtB2L.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/37VfNM0Ff0biDu6cFDtB2L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd46537199627f358e01135024ae94bbe01d93316551e2cea09735ff4e4897c0. 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/0wQ6PyMALZhXBbiYa41qFO.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/0wQ6PyMALZhXBbiYa41qFO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d3ce8de0787081e1834f84dad070da0edcddaad5ab8d92e3578225a065e7c4. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0mo7frjX25t2XrmEqKe5RQ.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/0mo7frjX25t2XrmEqKe5RQ.
Ain't Cha (feat. Re-Up Gang & Roscoe P. Coldchain)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d13e361ef4bc289c858b2a3612469b6472839cc026507658511d0b1411a64ce. 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/7B1LI8x3XSHqBp91QRoGdy.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/7B1LI8x3XSHqBp91QRoGdy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6289280685e5a48d72cf6216795a34b605b0e7b4264381d5e1d9d407d67f51a3. 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/2yvkSpzcAERwZlJyuQepwn.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/2yvkSpzcAERwZlJyuQepwn.
Quarterbackin' (feat. Clipse) - DJ Quick Remix
{"copyright_id":"0x9642be6eda5e2e0ac82ffe12931a0a4daa0f469c127d241ffd3570b3719482b1","isrc":"USBB10500044","name":"Just a Memory (feat. The Clipse)","registered_at":"2026-06-05T16:05:34Z","spotify_id":"22FOSWqyYCTKlxVsGwI3NF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9642be6eda5e2e0ac82ffe12931a0a4daa0f469c127d241ffd3570b3719482b1. 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/22FOSWqyYCTKlxVsGwI3NF.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/22FOSWqyYCTKlxVsGwI3NF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x299a5b6bce70677330cd2b59252d3b98d4382de54469a322610dcb4f4c770a8b. 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/1e9yFiSKi7bn5uzfMkGpZ1.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/1e9yFiSKi7bn5uzfMkGpZ1.
Season of the Assassin (Diamante Edition)