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 0xc99222444817ce1b797853ff669060158bb811327bbed455bca539389c249d00. 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/843f3eb4-0f5a-47d0-816e-48a234d41c4e.json and https://artists.proofprofile.net/proofs/artist/843f3eb4-0f5a-47d0-816e-48a234d41c4e.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 0x924af0252ae19d8f8187e27b43316ef200234c0458723f8b213d7cd88eb4ccd7. 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/6K7z6Xr6LwO6dN3V3kMOiB.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/6K7z6Xr6LwO6dN3V3kMOiB.
{"copyright_id":"0x5a072a956a62dfb3d40acc74e123bf763ac92ea6192294fb6c7e01b0384aee02","isrc":"QMCE32200169","name":"Respect (feat. Gunna)","registered_at":"2026-06-24T14:23:31Z","spotify_id":"2uGFtUrRXjewqF4FlUdfT8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a072a956a62dfb3d40acc74e123bf763ac92ea6192294fb6c7e01b0384aee02. 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/2uGFtUrRXjewqF4FlUdfT8.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/2uGFtUrRXjewqF4FlUdfT8.
{"copyright_id":"0xcb1b3f105554f668ba6605e02f3af21dee2e00d08f1105235b3abc255f5935bd","isrc":"QMCE32200173","name":"Boondocks (feat. Bhad Bhabie)","registered_at":"2026-06-07T01:00:39Z","spotify_id":"3vLEQRp0v7WVVUpnoOdjmC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb1b3f105554f668ba6605e02f3af21dee2e00d08f1105235b3abc255f5935bd. 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/3vLEQRp0v7WVVUpnoOdjmC.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/3vLEQRp0v7WVVUpnoOdjmC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6882c97ef8939be88469a1e35b0b74eea5f4b84cc7c3cb260057613191f3f097. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1M6pTE5RFqLCz42r7BudaB.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/1M6pTE5RFqLCz42r7BudaB.
{"copyright_id":"0x25be4bafcb2a257067dd915235967bc3cf643c39e9beb04b30a0ec10aa485bec","isrc":"QMCE32200144","name":"Blind (feat. Lil Yachty)","registered_at":"2026-06-27T07:19:01Z","spotify_id":"2w83K6d0boeSb0mVLDL4gn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25be4bafcb2a257067dd915235967bc3cf643c39e9beb04b30a0ec10aa485bec. 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/2w83K6d0boeSb0mVLDL4gn.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/2w83K6d0boeSb0mVLDL4gn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b0c35206f3eb7764817603aafb23212893c176828e5a2ca869e76b1686a36b. 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/03ycf2o7rZNJanyYax5QrA.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/03ycf2o7rZNJanyYax5QrA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c25b599f6391ba6b44c119d5b0a3a3d19f726daf636385b004d92c4da8c613. 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/22id21SqXqjjwVTXEFh5RZ.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/22id21SqXqjjwVTXEFh5RZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ba0e4392c9a32185c3081dd4862c237d4b3984d5283d8fc4bab3647b3e2829. 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/2av43bJ4Bsegzca84SS3QO.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/2av43bJ4Bsegzca84SS3QO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b0c35206f3eb7764817603aafb23212893c176828e5a2ca869e76b1686a36b. 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/2aD2w8P50xO0DoFbTmaXVE.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/2aD2w8P50xO0DoFbTmaXVE.
{"copyright_id":"0x25be4bafcb2a257067dd915235967bc3cf643c39e9beb04b30a0ec10aa485bec","isrc":"QMCE32200144","name":"Blind (feat. Lil Yachty)","registered_at":"2026-06-27T07:19:01Z","spotify_id":"3V5sdHDIMBRjhRq6MyIua6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25be4bafcb2a257067dd915235967bc3cf643c39e9beb04b30a0ec10aa485bec. 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/3V5sdHDIMBRjhRq6MyIua6.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/3V5sdHDIMBRjhRq6MyIua6.
{"copyright_id":"0x69d7345e7d1b05b849cbe80052c54636fec2b006cfb8e0d0e6882861b84b1637","isrc":"QMCE32000507","name":"Jimmy Choo (feat. Young Thug & Gunna)","registered_at":"2026-06-10T04:36:49Z","spotify_id":"2DMTqp0LnjHj7d1YRHScod","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d7345e7d1b05b849cbe80052c54636fec2b006cfb8e0d0e6882861b84b1637. 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/2DMTqp0LnjHj7d1YRHScod.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/2DMTqp0LnjHj7d1YRHScod.
{"copyright_id":"0x872d0bc7ba0058f51f9a35f2f87823ee6892b5966fabab8f4e5ac420704b677c","isrc":"QMCE31902333","name":"Everything (feat. Young Thug)","registered_at":"2026-06-27T04:50:20Z","spotify_id":"5joy2It0MCRdSTPELjSRRc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872d0bc7ba0058f51f9a35f2f87823ee6892b5966fabab8f4e5ac420704b677c. 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/5joy2It0MCRdSTPELjSRRc.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/5joy2It0MCRdSTPELjSRRc.
{"copyright_id":"0xcfe16c83a39edeef71159647b669614315dbff02d30e631163a0fdfe0ae90840","isrc":"QMCE32100212","name":"Trance (feat. Karlae & Yung Bleu)","registered_at":"2026-06-04T15:52:26Z","spotify_id":"1DL8sQcR4hUsaSisoFnQkR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe16c83a39edeef71159647b669614315dbff02d30e631163a0fdfe0ae90840. 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/1DL8sQcR4hUsaSisoFnQkR.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/1DL8sQcR4hUsaSisoFnQkR.
{"copyright_id":"0x6882c97ef8939be88469a1e35b0b74eea5f4b84cc7c3cb260057613191f3f097","isrc":"QMCE32100203","name":"I Like (feat. Karlae & Coi Leray)","registered_at":"2026-06-05T07:33:07Z","spotify_id":"1OuwfVcdn99T9SPBHaVTNn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6882c97ef8939be88469a1e35b0b74eea5f4b84cc7c3cb260057613191f3f097. 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/1OuwfVcdn99T9SPBHaVTNn.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/1OuwfVcdn99T9SPBHaVTNn.
{"copyright_id":"0xcfe16c83a39edeef71159647b669614315dbff02d30e631163a0fdfe0ae90840","isrc":"QMCE32100212","name":"Trance (feat. Karlae & Yung Bleu)","registered_at":"2026-06-04T15:52:26Z","spotify_id":"5KNTRj4TxwZrJSLzuxOVwn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe16c83a39edeef71159647b669614315dbff02d30e631163a0fdfe0ae90840. 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/5KNTRj4TxwZrJSLzuxOVwn.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/5KNTRj4TxwZrJSLzuxOVwn.
{"copyright_id":"0x6882c97ef8939be88469a1e35b0b74eea5f4b84cc7c3cb260057613191f3f097","isrc":"QMCE32100203","name":"I Like (feat. Karlae & Coi Leray)","registered_at":"2026-06-05T07:33:07Z","spotify_id":"5tVnFtamDy70mwSJH0iapo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6882c97ef8939be88469a1e35b0b74eea5f4b84cc7c3cb260057613191f3f097. 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/5tVnFtamDy70mwSJH0iapo.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/5tVnFtamDy70mwSJH0iapo.
U Ain't Slime Enough (feat. Karlae & Duke)
{"copyright_id":"0xfdb44ea4e96bc5476e807feec93281daf3f1b43ae637c069ee1d9e8112167bfa","isrc":"USAT21810851","name":"U Ain't Slime Enough (feat. Karlae & Duke)","registered_at":"2026-06-07T01:01:43Z","spotify_id":"34tMZsMP16tF90ajknBxyb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb44ea4e96bc5476e807feec93281daf3f1b43ae637c069ee1d9e8112167bfa. 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/34tMZsMP16tF90ajknBxyb.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/34tMZsMP16tF90ajknBxyb.
{"copyright_id":"0x73ea493d00f54afabdbc570ff81a36ac00836101898e94ea3b1dabb06a010e75","isrc":"USAT22302489","name":"Betty Boop (feat. Karlae)","registered_at":"2026-06-11T10:04:00Z","spotify_id":"3D562zwuRBPAAWlzmiqT44","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ea493d00f54afabdbc570ff81a36ac00836101898e94ea3b1dabb06a010e75. 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/3D562zwuRBPAAWlzmiqT44.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/3D562zwuRBPAAWlzmiqT44.
{"copyright_id":"0xccbc165131eafb70ebe155a01c8b4ea1ee2333d10b09bf136af2c2dacfeb297e","isrc":"QMCE31902288","name":"Higher N Higher (feat. Karlae)","registered_at":"2026-06-09T04:29:34Z","spotify_id":"3pWjt5QOOOq0IbIsolCZuB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccbc165131eafb70ebe155a01c8b4ea1ee2333d10b09bf136af2c2dacfeb297e. 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/3pWjt5QOOOq0IbIsolCZuB.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/3pWjt5QOOOq0IbIsolCZuB.