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 0xc169475b685e8f6634f716c26962f6fe6fdffc73f2e8f2de96ceb0a33a171569. 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/b1c8e633-0b19-4902-ac66-22fb9b18a328.json and https://artists.proofprofile.net/proofs/artist/b1c8e633-0b19-4902-ac66-22fb9b18a328.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
In The Field Remix (feat. Fabolous & Casanova 2x)
{"copyright_id":"0xf825ff781cf9f3df7b347a8a7a6b553ca8ed4c59e16a3603e61caa50a864b5ae","isrc":"USAT21811197","name":"Backin' It Up","registered_at":"2026-06-04T06:33:57Z","spotify_id":"28tFRhbe2nAz8SpHTTUZAH","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 0xf825ff781cf9f3df7b347a8a7a6b553ca8ed4c59e16a3603e61caa50a864b5ae. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28tFRhbe2nAz8SpHTTUZAH.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/28tFRhbe2nAz8SpHTTUZAH.
{"copyright_id":"0xf825ff781cf9f3df7b347a8a7a6b553ca8ed4c59e16a3603e61caa50a864b5ae","isrc":"USAT21811197","name":"Backin' It Up (feat. Cardi B)","registered_at":"2026-06-04T06:33:57Z","spotify_id":"0PpfPNtQOOvbMNVJijTQj0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf825ff781cf9f3df7b347a8a7a6b553ca8ed4c59e16a3603e61caa50a864b5ae. 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/0PpfPNtQOOvbMNVJijTQj0.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/0PpfPNtQOOvbMNVJijTQj0.
{"copyright_id":"0x94bda71fa6dfa1630bde8c349f5da01a15a4139eedbbcc9b4f5f1193e41fecfc","isrc":"USAT21906699","name":"Not There Yet","registered_at":"2026-06-28T21:15:25Z","spotify_id":"3DkP47hMz4zeJc1832CnGe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94bda71fa6dfa1630bde8c349f5da01a15a4139eedbbcc9b4f5f1193e41fecfc. 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/3DkP47hMz4zeJc1832CnGe.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/3DkP47hMz4zeJc1832CnGe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe396b285dbd0d838d233261bbb3f39eff38476b07b2944096ec722082b1c25c9. 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/1XjfZl7mSPX1QSfARs0FM7.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/1XjfZl7mSPX1QSfARs0FM7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xead53f68599f8f75f553538d5553b41486d4c3cec190fa46bcf782d3919af46a. 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/2tQKWTIxyJDm3b7bppwMNE.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/2tQKWTIxyJDm3b7bppwMNE.
{"copyright_id":"0xeb80e8eac05baf386b0c892a50f75c4c8daef841f0508d3191921fd0dc124cd6","isrc":"QZJ842500493","name":"Toot It Up","registered_at":"2026-06-02T00:43:34Z","spotify_id":"4RwmCGfqGRF0n9InbkuMsB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb80e8eac05baf386b0c892a50f75c4c8daef841f0508d3191921fd0dc124cd6. 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/4RwmCGfqGRF0n9InbkuMsB.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/4RwmCGfqGRF0n9InbkuMsB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9835f705661ebc77ee4561062e58f47bd415e22926b129969e0e53337fca6451. 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/6ushjxrCkWSgLjv49qbBBx.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/6ushjxrCkWSgLjv49qbBBx.
Power Book III: Raising Kanan, Season 4 (Music From the Starz Original TV Series)
{"copyright_id":"0xcb733e0f7af30f8f1f6713fc6ed68900624826ed0bcf8a20dbc68947d2fb4329","isrc":"GBMA22306710","name":"Oh Woah - Remix","registered_at":"2026-06-07T15:03:47Z","spotify_id":"1tkGobcReQtWMXnwVdtnzu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb733e0f7af30f8f1f6713fc6ed68900624826ed0bcf8a20dbc68947d2fb4329. 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/1tkGobcReQtWMXnwVdtnzu.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/1tkGobcReQtWMXnwVdtnzu.