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 0x98fdcb3746603d8f46850d0856b99fd3eccddc74b70c2c15921649bd17343a79. 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/ab3b04f3-99f6-4a9b-9855-f3e4d4defe16.json and https://artists.proofprofile.net/proofs/artist/ab3b04f3-99f6-4a9b-9855-f3e4d4defe16.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cali (feat. Biggie Smalls & Average John)
Blo Phi Dro (feat. Collie Buddz, T Rimple, Emmanuel Davis & Average John)
Royaltree (feat. Dartlin & John Anthony)
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 0xdbe5d0ee1328fd1f14f55a64997df2025266f1151fce771c0690257b6c971bd8. 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/1ECyGEvwOALYvEueF2hejE.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/1ECyGEvwOALYvEueF2hejE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e365d95e886ccc5661fbe8620438380a92a147b953f9676e4a8918bf2b54c5d. 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/4iZVz8seMgAPrSCX0npqrS.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/4iZVz8seMgAPrSCX0npqrS.
{"copyright_id":"0x2d65506934c6e0bff5edfbb98e8f16ebb63cb8a63801520add8e362974cad315","isrc":"USSM11914601","name":"ASSHOLE (feat. Bugus)","registered_at":"2026-06-06T10:30:34Z","spotify_id":"0JUEZLTxyaAwGJhzb9U8PN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d65506934c6e0bff5edfbb98e8f16ebb63cb8a63801520add8e362974cad315. 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/0JUEZLTxyaAwGJhzb9U8PN.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/0JUEZLTxyaAwGJhzb9U8PN.
{"copyright_id":"0x2d65506934c6e0bff5edfbb98e8f16ebb63cb8a63801520add8e362974cad315","isrc":"USSM11914601","name":"ASSHOLE (feat. Bugus)","registered_at":"2026-06-06T10:30:34Z","spotify_id":"0kJLquo7RDeB5zbUDk5cMX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d65506934c6e0bff5edfbb98e8f16ebb63cb8a63801520add8e362974cad315. 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/0kJLquo7RDeB5zbUDk5cMX.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/0kJLquo7RDeB5zbUDk5cMX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ad3694a165471425cd5da1c16ae8392da5674be9a88b100f7181db11b79d1c. 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/4bI8a3bXcI0CIobu3M0F3W.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/4bI8a3bXcI0CIobu3M0F3W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc73021cb149a8e95dc4bd0f7ca8f783875b3b374c181bfcef895a60e78d55f02. 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/5OG9RaTkIPhbE1nKy5oi72.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/5OG9RaTkIPhbE1nKy5oi72.
{"copyright_id":"0xacafc59455f1e02f4a7a3a4b7ddf1c9cda05ac33868cd8422a1ce3e4797bf80e","isrc":"TCADR1849366","name":"World on Fire","registered_at":"2026-06-22T09:03:33Z","spotify_id":"7elOL72wgK2uZShC5ZxV2k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacafc59455f1e02f4a7a3a4b7ddf1c9cda05ac33868cd8422a1ce3e4797bf80e. 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/7elOL72wgK2uZShC5ZxV2k.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/7elOL72wgK2uZShC5ZxV2k.
{"copyright_id":"0x4f5539b5ac4c9714229b10ebd5b9747a2de14ba1c6d2164af8af44c36abf78cd","isrc":"TCADR1849442","name":"In Too Deep","registered_at":"2026-06-21T03:49:37Z","spotify_id":"7BmVqO2gsckuGO4JMZkoAv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5539b5ac4c9714229b10ebd5b9747a2de14ba1c6d2164af8af44c36abf78cd. 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/7BmVqO2gsckuGO4JMZkoAv.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/7BmVqO2gsckuGO4JMZkoAv.
{"copyright_id":"0x34cd58933b71b36d0bbb7013614e0583113f3d9fb953ba3fad67afa435a4db70","isrc":"TCADR1849444","name":"Pornstar / Jesus","registered_at":"2026-06-20T04:24:31Z","spotify_id":"5dUY6lTOjxFuQsGCXG0dS1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34cd58933b71b36d0bbb7013614e0583113f3d9fb953ba3fad67afa435a4db70. 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/5dUY6lTOjxFuQsGCXG0dS1.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/5dUY6lTOjxFuQsGCXG0dS1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52160f9a229a5dccdee3b74d9e0a4c4ef8c0c9bd42e4f4e0b1116d9f2d4134c9. 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/1f1x1mWWICR236oWBXe8hB.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/1f1x1mWWICR236oWBXe8hB.
{"copyright_id":"0x0b7230d48af8a226185da947ccc6e6a9c0ff5a3d7b63bdf3ac2e9a2e6d84d4bb","isrc":"TCABM1362580","name":"Straight from Limbo (feat. Bugus)","registered_at":"2026-06-10T21:22:12Z","spotify_id":"57ESZacBlu6EnO8Wy6kKMu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7230d48af8a226185da947ccc6e6a9c0ff5a3d7b63bdf3ac2e9a2e6d84d4bb. 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/57ESZacBlu6EnO8Wy6kKMu.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/57ESZacBlu6EnO8Wy6kKMu.
{"copyright_id":"0xaa9fc45f1936c8005307d4deb8812ef0dbb5a1acd6dab22300245bdbc8c33673","isrc":"TCABM1362585","name":"C4 (feat. Dartlin & Bugus)","registered_at":"2026-06-19T17:30:27Z","spotify_id":"4uCvYW5iR6XNgXuLGrd4xF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9fc45f1936c8005307d4deb8812ef0dbb5a1acd6dab22300245bdbc8c33673. 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/4uCvYW5iR6XNgXuLGrd4xF.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/4uCvYW5iR6XNgXuLGrd4xF.
{"copyright_id":"0x0db8f4b655eae03a99090ae7fc27c383b2a94902af9b8d2a7fc3c07effd38f17","isrc":"TCADR1849381","name":"Gods of Bingo","registered_at":"2026-06-21T18:49:59Z","spotify_id":"5rxxYFZ7vmllTwW6k8Rspc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db8f4b655eae03a99090ae7fc27c383b2a94902af9b8d2a7fc3c07effd38f17. 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/5rxxYFZ7vmllTwW6k8Rspc.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/5rxxYFZ7vmllTwW6k8Rspc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93ebd4ce4d9e9554ea044bd91e66d0d62f3086ffbba4838f3c3d9f1777e7cd7. 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/2ucSG1KdAUi7VLaTekVf3c.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/2ucSG1KdAUi7VLaTekVf3c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb205af77fa03610e41ece29c444756f031a191d5a577db35722fa4dd34d4f1b. 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/1cFjBEvb0pWmnzYpeVo8O1.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/1cFjBEvb0pWmnzYpeVo8O1.
{"copyright_id":"0xdd0b7594b78434b4a37080ea3f8a14a0a293b4d436bb9cf6cf7d1c05bc7be2fe","isrc":"TCADR1849389","name":"Reality Kings","registered_at":"2026-06-24T21:48:24Z","spotify_id":"1UejkLrDWcPCxDXKTfgER0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd0b7594b78434b4a37080ea3f8a14a0a293b4d436bb9cf6cf7d1c05bc7be2fe. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UejkLrDWcPCxDXKTfgER0.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/1UejkLrDWcPCxDXKTfgER0.