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 0xd744f9b76059e2e8fc2748d1dfd1af765df97f1b009cc2730765089d218905c6. 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/dd6c3777-f7bb-4d8d-ab07-25a495fab6b8.json and https://artists.proofprofile.net/proofs/artist/dd6c3777-f7bb-4d8d-ab07-25a495fab6b8.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 0xc669978edb5d6f16780b7981e6c810a38eba47242d718c38a9d83c56a3034e7a. 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/6nnZHjSHt0ZNtx4bIUky9P.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/6nnZHjSHt0ZNtx4bIUky9P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0297ee91f889f86017be2f398d9191e439b7b597447ea15225e713100b307ef. 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/7L8gX9VnvL32lNZEIyi1qs.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/7L8gX9VnvL32lNZEIyi1qs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7134ef9c8b4ab3ef6ca229369c4472c2cb1b36ceccfa3187dd641fe7bc5a9f. 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/7lWJhuxltagbKWwtyx7Dhn.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/7lWJhuxltagbKWwtyx7Dhn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d1f7bd5dfd80465cf56bdd3acd073cd41a13222cb74f9663415f7f0d85a81e. 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/1toO4jnjuU6IQ0Y3o5PIzK.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/1toO4jnjuU6IQ0Y3o5PIzK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x747280dca9925b483ecf02e18b375371dcf6039e72f07aa33d5fc2890d08e438. 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/1nEaAtXcpSCc2iZdXm37vH.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/1nEaAtXcpSCc2iZdXm37vH.
{"copyright_id":"0x0d1db4f56fc1a9de6eada37c7abd65d24fbca60a04517c1f58870732335d99fb","isrc":"USUYG1425645","name":"Buga (Lo Lo Lo)","registered_at":"2026-06-01T16:22:16Z","spotify_id":"4eZZofkV1OQ9GDqAgHqNpA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d1db4f56fc1a9de6eada37c7abd65d24fbca60a04517c1f58870732335d99fb. 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/4eZZofkV1OQ9GDqAgHqNpA.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/4eZZofkV1OQ9GDqAgHqNpA.
{"copyright_id":"0xe14134ada2b7d09a18fe3f8c3eb0ddb0f0f67d91f9f805a915457720df33fcca","isrc":"USUYG1444449","name":"RTID (Rich Till I Die)","registered_at":"2026-06-04T08:08:54Z","spotify_id":"47rtDAZmqRUjba0V1en3XY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe14134ada2b7d09a18fe3f8c3eb0ddb0f0f67d91f9f805a915457720df33fcca. 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/47rtDAZmqRUjba0V1en3XY.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/47rtDAZmqRUjba0V1en3XY.
{"copyright_id":"0xaef257d1252e16a6cfb49abcc9ce318efc58ec7b686eac2ff53fad681768c2c5","isrc":"USUYG1448153","name":"Cough (Odo)","registered_at":"2026-06-01T09:50:42Z","spotify_id":"0u2A4QNAMUyfQbgfVR3HvK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaef257d1252e16a6cfb49abcc9ce318efc58ec7b686eac2ff53fad681768c2c5. 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/0u2A4QNAMUyfQbgfVR3HvK.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/0u2A4QNAMUyfQbgfVR3HvK.
{"copyright_id":"0xff214c1f819751682995daa26f015f8cb7e6cae03fa6179bd7877f75c9da2d75","isrc":"QZGLM2290732","name":"No Wahala - Remix","registered_at":"2026-06-01T11:05:53Z","spotify_id":"4yaPPFIafaVaMRHZ5IHkbA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff214c1f819751682995daa26f015f8cb7e6cae03fa6179bd7877f75c9da2d75. 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/4yaPPFIafaVaMRHZ5IHkbA.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/4yaPPFIafaVaMRHZ5IHkbA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x591e37911f810ab16fa630efe8fac917840091d575a0f7ecb180cf3030114365. 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/42hhuQlPd9PnVQGK9XwqRV.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/42hhuQlPd9PnVQGK9XwqRV.
{"copyright_id":"0x4333c9a692c54839b6ca9056b4a590f8b01f8c4e63b8569afb11d955dd58e677","isrc":"QMUY41800200","name":"Loyal (feat. Kizz Daniel & Kranium)","registered_at":"2026-06-06T10:05:25Z","spotify_id":"52SbdJ6IEBw7DYUUUh8Hnp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4333c9a692c54839b6ca9056b4a590f8b01f8c4e63b8569afb11d955dd58e677. 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/52SbdJ6IEBw7DYUUUh8Hnp.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/52SbdJ6IEBw7DYUUUh8Hnp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607a2f4997d80857aac511c6fd0178c8066e12547dca8ac6db8698f9f5316233. 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/6Kyfl5aEgLFG4OcHESOToC.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/6Kyfl5aEgLFG4OcHESOToC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce0ea406bd5d1cf4b0e0f05498b05bdd930078b6120230c88d9a3336814720c. 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/2SggWVBRvkOmtQRfbKh6sV.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/2SggWVBRvkOmtQRfbKh6sV.
Big Big Things (feat. Kizz Daniel & Seyi Vibez)
{"copyright_id":"0xf7a1804b44e5e6cfbfe5183d4951c6d83c7d0055b3c89dc7f8d0d19bf8bbe246","isrc":"US38Y2403972","name":"Big Big Things (feat. Kizz Daniel & Seyi Vibez)","registered_at":"2026-06-01T15:54:24Z","spotify_id":"0ww0GM0f5USzNZidkcoCVX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7a1804b44e5e6cfbfe5183d4951c6d83c7d0055b3c89dc7f8d0d19bf8bbe246. 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/0ww0GM0f5USzNZidkcoCVX.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/0ww0GM0f5USzNZidkcoCVX.