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 0x376b54556b8cf6bd95219608a4270f2d9a8266240197627770c3705477b5922d. 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/d383021a-4b1c-424f-ae7f-950f7dc6abf0.json and https://artists.proofprofile.net/proofs/artist/d383021a-4b1c-424f-ae7f-950f7dc6abf0.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 0xb84c5a051ec669ff2c1a691aca9496625d5d5f836be4105e00779b6306e5edbb. 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/2fSzKr2j61NQNkeHRmL4On.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/2fSzKr2j61NQNkeHRmL4On.
SummerTimeTing (feat. Mayzin, Emmavie & KayFaraway)
{"copyright_id":"0x0ddaa698af792f1af9447661dc0b1845b7240fde274f8703bfcf7b731cdc3284","isrc":"USQX91802429","name":"Run Tings (feat. Dounia)","registered_at":"2026-06-09T16:29:38Z","spotify_id":"1BxU9X4U0VySigcFOiijXa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ddaa698af792f1af9447661dc0b1845b7240fde274f8703bfcf7b731cdc3284. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1BxU9X4U0VySigcFOiijXa.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/1BxU9X4U0VySigcFOiijXa.
{"copyright_id":"0x62ee7bd76e30c73240a99424ff1fa08af5c2a6bd150c1fd48c713e93cb0a3294","isrc":"USQX91900403","name":"1 Missed Call (feat. DEAN & TABBER)","registered_at":"2026-06-06T23:15:49Z","spotify_id":"5CGDPtwIc4ASrnJCo6S0wW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ee7bd76e30c73240a99424ff1fa08af5c2a6bd150c1fd48c713e93cb0a3294. 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/5CGDPtwIc4ASrnJCo6S0wW.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/5CGDPtwIc4ASrnJCo6S0wW.
{"copyright_id":"0x0ddaa698af792f1af9447661dc0b1845b7240fde274f8703bfcf7b731cdc3284","isrc":"USQX91802429","name":"Run Tings (feat. Dounia)","registered_at":"2026-06-09T16:29:38Z","spotify_id":"0wYYZ1ag9YbdVKFxoWo6yO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ddaa698af792f1af9447661dc0b1845b7240fde274f8703bfcf7b731cdc3284. 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/0wYYZ1ag9YbdVKFxoWo6yO.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/0wYYZ1ag9YbdVKFxoWo6yO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b16da267324778760d562262fde7a2eb311e44e13923a1a397aded22ece6c0. 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/19htAfl5w1pALsxeAFjqTH.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/19htAfl5w1pALsxeAFjqTH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31406c426f26ad510416656f2325f52af7244fe7845f8c6929e50250ca60dba0. 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/0BrmKmrrI1HKNCWy6s3oxd.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/0BrmKmrrI1HKNCWy6s3oxd.
{"copyright_id":"0x62ee7bd76e30c73240a99424ff1fa08af5c2a6bd150c1fd48c713e93cb0a3294","isrc":"USQX91900403","name":"1 Missed Call (feat. DEAN & TABBER)","registered_at":"2026-06-06T23:15:49Z","spotify_id":"5k3PHaDB6pKVbULXaQcj9Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ee7bd76e30c73240a99424ff1fa08af5c2a6bd150c1fd48c713e93cb0a3294. 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/5k3PHaDB6pKVbULXaQcj9Y.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/5k3PHaDB6pKVbULXaQcj9Y.
{"copyright_id":"0xa1eccec55967b2f62171e2ff486b5c66b0766ce272dd6c8c067ab0adad95da57","isrc":"USQX91900404","name":"Tired Of The Games (feat. TOBi)","registered_at":"2026-06-07T19:14:24Z","spotify_id":"2TyAlheP3A3UMnXGvqElU9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1eccec55967b2f62171e2ff486b5c66b0766ce272dd6c8c067ab0adad95da57. 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/2TyAlheP3A3UMnXGvqElU9.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/2TyAlheP3A3UMnXGvqElU9.
TRY AGAIN (Feat. Phonte, Darien Brockington)
TRY AGAIN (feat. Phonte, Darien Brockington)
{"copyright_id":"0x9bf2c213e195ad46d65329e2dd955876aa0fa4db171e18230d24f1267a66899f","isrc":"QM24S2011183","name":"STAY BY YOUR LINE (feat. ROMderful)","registered_at":"2026-06-21T18:04:13Z","spotify_id":"5BfSTYPTgJjEQnCldnjTp6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf2c213e195ad46d65329e2dd955876aa0fa4db171e18230d24f1267a66899f. 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/5BfSTYPTgJjEQnCldnjTp6.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/5BfSTYPTgJjEQnCldnjTp6.
SMILE (feat. Xavier Omär, DAISY WORLD & ROMderful)
{"copyright_id":"0x68d2f6233587044278827e8fb244d8631bcefd310d58447e8bd813b64c8abd97","isrc":"AUFF02300375","name":"SMILE (feat. Xavier Omär, DAISY WORLD & ROMderful)","registered_at":"2026-06-05T21:13:37Z","spotify_id":"0uwpYA2e1LrTS9MDS4p9q9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d2f6233587044278827e8fb244d8631bcefd310d58447e8bd813b64c8abd97. 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/0uwpYA2e1LrTS9MDS4p9q9.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/0uwpYA2e1LrTS9MDS4p9q9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeceb2412c3d8aa0234db4b24048e169f69dc2d6275b80b5f668bec3db9521776. 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/6n7XmZf2fe752QaUNUxlRD.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/6n7XmZf2fe752QaUNUxlRD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeceb2412c3d8aa0234db4b24048e169f69dc2d6275b80b5f668bec3db9521776. 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/2d8haVwRgqNeFLLk2jKeXM.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/2d8haVwRgqNeFLLk2jKeXM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec71101037121e838bc3c505f59898f676a932ea5710ce7fc3f21f6700ce9d8c. 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/5YP9886gDKbrLx47LZnlWY.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/5YP9886gDKbrLx47LZnlWY.
{"copyright_id":"0xd7611c7676ce55f4f778e651276bf87ee44baaba229ab463afe6298953e9b99a","isrc":"USUYG1257170","name":"Anytime (feat. Kehlani & ROMderful)","registered_at":"2026-06-05T13:13:09Z","spotify_id":"465Yx9rm9mNmzTFlojTIRs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7611c7676ce55f4f778e651276bf87ee44baaba229ab463afe6298953e9b99a. 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/465Yx9rm9mNmzTFlojTIRs.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/465Yx9rm9mNmzTFlojTIRs.
{"copyright_id":"0xd7611c7676ce55f4f778e651276bf87ee44baaba229ab463afe6298953e9b99a","isrc":"USUYG1257170","name":"Anytime (feat. Kehlani & ROMderful)","registered_at":"2026-06-05T13:13:09Z","spotify_id":"3sYt2jxFvJODYQpRZbQfof","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7611c7676ce55f4f778e651276bf87ee44baaba229ab463afe6298953e9b99a. 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/3sYt2jxFvJODYQpRZbQfof.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/3sYt2jxFvJODYQpRZbQfof.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c4742b2c043df17b44d4d4b0d9583f5f6b8d62f1e27ad6a173629a7b4b4bac. 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/3zKBsDMTSD02Dh18J3cwht.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/3zKBsDMTSD02Dh18J3cwht.
{"copyright_id":"0x68d2f6233587044278827e8fb244d8631bcefd310d58447e8bd813b64c8abd97","isrc":"AUFF02300375","name":"SMILE (feat. Xavier Omär, DAISY WORLD & ROMderful)","registered_at":"2026-06-05T21:13:37Z","spotify_id":"6Wz8DW4uKG9mjyKGjgqyN1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d2f6233587044278827e8fb244d8631bcefd310d58447e8bd813b64c8abd97. 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/6Wz8DW4uKG9mjyKGjgqyN1.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/6Wz8DW4uKG9mjyKGjgqyN1.
I Think That I Love You (feat. ROMderful)
{"copyright_id":"0x0f5c9dfbdbcdefc4511cbd71678fb281d81a9842e0f2189af93a0cb50062b92d","isrc":"QMDA62186521","name":"I Think That I Love You (feat. ROMderful)","registered_at":"2026-06-10T17:30:30Z","spotify_id":"6Mgppe7nXnZwtCjK3dCR8q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5c9dfbdbcdefc4511cbd71678fb281d81a9842e0f2189af93a0cb50062b92d. 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/6Mgppe7nXnZwtCjK3dCR8q.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/6Mgppe7nXnZwtCjK3dCR8q.
{"copyright_id":"0x31e4e3194c207ac858c9c9ff3e9dfd3adb42d5fece1d7c31e19fdf86a6790bf1","isrc":"QZHN72072327","name":"I Think That I Love You","registered_at":"2026-06-07T08:18:10Z","spotify_id":"6JWmzKlBURxgT01QhKlAMr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e4e3194c207ac858c9c9ff3e9dfd3adb42d5fece1d7c31e19fdf86a6790bf1. 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/6JWmzKlBURxgT01QhKlAMr.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/6JWmzKlBURxgT01QhKlAMr.
{"copyright_id":"0xec7a3b7a689ce45dee975aa3f39e0a2f87d43dd0faedd81391739fe5816a008d","isrc":"QMRSZ2401331","name":"The Water Song","registered_at":"2026-06-24T10:39:35Z","spotify_id":"1OuGSG17HCHdo8sXVw6TO0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7a3b7a689ce45dee975aa3f39e0a2f87d43dd0faedd81391739fe5816a008d. 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/1OuGSG17HCHdo8sXVw6TO0.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/1OuGSG17HCHdo8sXVw6TO0.