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 0xf524a23a90d00471a57a0b23e939a031da0014fcd4da47e38b938529ab73c870. 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/cd0c7468-b99d-4d95-9862-70c7c81f4b90.json and https://artists.proofprofile.net/proofs/artist/cd0c7468-b99d-4d95-9862-70c7c81f4b90.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe27a3def2c5d9097590b49f8938c79df9b0b0cddafb7df51498d7feedcb233e2","isrc":"QZHN41930260","name":"Time a Tell","registered_at":"2026-06-29T05:57:05Z","spotify_id":"2CJQSRojAjs4IK5BjUK53e","type":"track"}
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 0xe27a3def2c5d9097590b49f8938c79df9b0b0cddafb7df51498d7feedcb233e2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CJQSRojAjs4IK5BjUK53e.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/2CJQSRojAjs4IK5BjUK53e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650d3676c4f9104b97675e00926e154bc0ea15e4ddcf3478fe9d93ad27860857. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uFaY4DvEpVHcQAUxIUxVP.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/6uFaY4DvEpVHcQAUxIUxVP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18aff41b6c9ff8391ba2240d6aa6ea700252a33e99fe3860a330621a2824eb86. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78vxxtLHnQLXkeQ4NjHaOT.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/78vxxtLHnQLXkeQ4NjHaOT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe637b2f6081b2678697f0dd74df02413c27be4771987bc8d4823c98d312102b3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wp78CkjGM6TE5JYlI1RGR.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/0wp78CkjGM6TE5JYlI1RGR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18aff41b6c9ff8391ba2240d6aa6ea700252a33e99fe3860a330621a2824eb86. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4yYuKGf21UwtLECMC4oYzx.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/4yYuKGf21UwtLECMC4oYzx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1d6ad8fb57c39729fb181495312ee5842d73e5d0e612b4e92e024581ff059d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/46tPWzkqeU8S91dNVhMfZu.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/46tPWzkqeU8S91dNVhMfZu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1554462efb7584d1501794fffad37962ae4f70ef9c0b3e81afd1021e98af73a9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CfLgQnyEx2GiIZnGuLJP8.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/2CfLgQnyEx2GiIZnGuLJP8.
{"copyright_id":"0x7bd94257afa672f61f6b27d8ce22c8bb35a61d0cd38396d2db59e0285d943366","isrc":"QZ4JX2361773","name":"How Many Times (feat. Skilla Baby)","registered_at":"2026-06-28T18:22:55Z","spotify_id":"3lOwAdufH2syUbBb2tsARR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bd94257afa672f61f6b27d8ce22c8bb35a61d0cd38396d2db59e0285d943366. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3lOwAdufH2syUbBb2tsARR.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/3lOwAdufH2syUbBb2tsARR.
Back on Dexter: A Gangsta Grillz Mixtape
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x714f9c523221d2d483388a515e4a069068bf98c98310289a711d2434853e4a75. 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/7uoUn0Heo8yeHDbWz1Njdu.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/7uoUn0Heo8yeHDbWz1Njdu.
{"copyright_id":"0x6de0cd53b62a54e1b9517294ecd9a62c9071b42902bf4f7d78df987ae9ec0ab0","isrc":"USUYG1319425","name":"Light This Bitch Up","registered_at":"2026-06-08T18:55:56Z","spotify_id":"50OIve2sVaKCaAVD28kS2w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6de0cd53b62a54e1b9517294ecd9a62c9071b42902bf4f7d78df987ae9ec0ab0. 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/50OIve2sVaKCaAVD28kS2w.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/50OIve2sVaKCaAVD28kS2w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40346f53f1582c55cfb695ae7956956dc5a600fbb474e6216277a1642d723537. 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/53TaNC7ba94AjgI4uB0XAG.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/53TaNC7ba94AjgI4uB0XAG.
{"copyright_id":"0x94dd441f3bf033a7e2a2f3f1e43c8a81829a0586d3fe64d3fd22e1217f0a9b3c","isrc":"USUYG1464204","name":"Raincoats (feat. Baby Money)","registered_at":"2026-06-19T10:48:35Z","spotify_id":"0DFl6sgtULDh6XJ1LYf1UX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94dd441f3bf033a7e2a2f3f1e43c8a81829a0586d3fe64d3fd22e1217f0a9b3c. 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/0DFl6sgtULDh6XJ1LYf1UX.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/0DFl6sgtULDh6XJ1LYf1UX.
What To Do With My Money? (feat. Baby Money)
{"copyright_id":"0x0ce9f8629652036e357ce1bdca5109def32bbddbbd678c86ef97c07f2265e071","isrc":"USLD91739421","name":"You Ever (feat. Baby Money)","registered_at":"2026-06-08T12:39:19Z","spotify_id":"0utU2mw8pfRNFIiraA01zb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce9f8629652036e357ce1bdca5109def32bbddbbd678c86ef97c07f2265e071. 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/0utU2mw8pfRNFIiraA01zb.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/0utU2mw8pfRNFIiraA01zb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x714f9c523221d2d483388a515e4a069068bf98c98310289a711d2434853e4a75. 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/37LODwS8oyx6nouuxJeNJC.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/37LODwS8oyx6nouuxJeNJC.
Chris Bosh (feat. Icewear Vezzo & Baby Money)
{"copyright_id":"0x37f17ff564eda6d3b4818f9e95dddd33b1b5978b12c4e40bfcc2e0eae543a67c","isrc":"USUYG1340574","name":"Chris Bosh (feat. Icewear Vezzo & Baby Money)","registered_at":"2026-06-21T20:37:17Z","spotify_id":"7ouw3oqhyvZVN2PCbgdPvE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f17ff564eda6d3b4818f9e95dddd33b1b5978b12c4e40bfcc2e0eae543a67c. 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/7ouw3oqhyvZVN2PCbgdPvE.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/7ouw3oqhyvZVN2PCbgdPvE.
Rat (feat. Baby Money, Babys World & Tay B)
{"copyright_id":"0xb4c1998a8ba24098dc680dbe0bae5399ff5baaa39f8fa24dc441ebd25cd9ae49","isrc":"QMRSZ2001131","name":"Rat (feat. Baby Money, Babys World & Tay B)","registered_at":"2026-06-23T07:33:22Z","spotify_id":"6cLMHqLhfLP19NUdwlCO4R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c1998a8ba24098dc680dbe0bae5399ff5baaa39f8fa24dc441ebd25cd9ae49. 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/6cLMHqLhfLP19NUdwlCO4R.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/6cLMHqLhfLP19NUdwlCO4R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7768c7038ca4de6f23b890e45d146db4bb491a90a6c004da3c361e63dc96064c. 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/6y9W1IYKdA2KVYYCj3nfOq.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/6y9W1IYKdA2KVYYCj3nfOq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda2335a15f933633fd4feca7caafdd4253ace321c1289d0bf999448486ce3f73. 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/0zbr1kb6Ojd3UaV7n7f3St.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/0zbr1kb6Ojd3UaV7n7f3St.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4425cf52b604fe4a984746729e5dc7e77ae029158cc65bf9becb7a75e9b2473d. 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/0gWNq0lLP0C10Fv059l6Yn.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/0gWNq0lLP0C10Fv059l6Yn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7849564cb9571ec7b37071e8e5a9480a4bcacbae51b412a97e6ce67e221b0d7d. 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/7zBuAougF4GWvmUHPREAwb.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/7zBuAougF4GWvmUHPREAwb.
Truth Season: The United Streets of America