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 0x722fa69ba0ede014a7f3fcf8f0b57045b9772f2b8b2fcea21d050b9b73dfeb3c. 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/7d5ab154-ea24-4a24-b460-8c397d3a5579.json and https://artists.proofprofile.net/proofs/artist/7d5ab154-ea24-4a24-b460-8c397d3a5579.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 0x5b94dc86a6a0921e08a2ea6c92f449dbfc318631f7ee0c4e340b4db353ae3bc1. 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/7C3T6qzXlkFgebRal882Hm.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/7C3T6qzXlkFgebRal882Hm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9f4814af07be4902593c0789905a1dbaf3234d9b4354a6f7f0b44f1e0e1b499. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DrjBa42fBtu5EjckigB6r.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/2DrjBa42fBtu5EjckigB6r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03ee801a1d933f4a36e434533051c9537835e6b7211661ff6f03a4f59dbcef24. 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/6WuDyZHSKK8Asq1mrI1uX5.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/6WuDyZHSKK8Asq1mrI1uX5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff8b6d3310abae4b295439693ab8d7dfac30c36c56865d21ee8208d17570e10. 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/1n5qVxvY1EdHJ5zTNvEcmV.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/1n5qVxvY1EdHJ5zTNvEcmV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdbc161c3b2749e3c388e76cec3f8309c31161aa95eb823358eef077e4cf3640. 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/39jrsa3ir1vFVG1HkwTCnS.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/39jrsa3ir1vFVG1HkwTCnS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x657894f4a132a68c07b63dad773dfb4c5488b39d3f03caf1837d6e29d3af423a. 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/2dXRU03odwknDItw36wc6h.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/2dXRU03odwknDItw36wc6h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b07705c5ec1cac8d01dfe2e4d1a7f135188879208821ded8115bf88c24227d1. 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/06beGKlbeFg8SAl7TzjIKx.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/06beGKlbeFg8SAl7TzjIKx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c4627cc63207a9ab95d80d441014e001e0c16aa5b7872e4e54c87df7b3e28d0. 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/463vWUGSBVunTOB60RKXVX.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/463vWUGSBVunTOB60RKXVX.
{"copyright_id":"0xd7fbf2889f001fee39b6015c2db5b36398e708a9e15582f3b9b85344d6a98bff","isrc":"QZNWR2208293","name":"EVERYBODY OPP","registered_at":"2026-06-24T16:12:52Z","spotify_id":"6qp4cltbu2xWWkTlQVEozc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7fbf2889f001fee39b6015c2db5b36398e708a9e15582f3b9b85344d6a98bff. 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/6qp4cltbu2xWWkTlQVEozc.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/6qp4cltbu2xWWkTlQVEozc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2922b5000ac76e6f15e7bea93ec4d5498b7c5dbbf720ea0cb291f7be61ed98de. 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/1vrH2f6gGUnaJQrlozqmda.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/1vrH2f6gGUnaJQrlozqmda.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c2ed5dd940983cbead1ff47ebaa822881768c240375ac1f97a919f93219a2a. 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/4ycwt74r46BkBlqyOlnJ8W.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/4ycwt74r46BkBlqyOlnJ8W.
{"copyright_id":"0x31781744c7f86fff1b7aeec0165826f4b5ecaac94d8d6b12f3560a89a9fa5f39","isrc":"USUYG1298504","name":"Navy Seal","registered_at":"2026-06-24T14:42:32Z","spotify_id":"6q4Z3KVFJPtykGHaTBIlXz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31781744c7f86fff1b7aeec0165826f4b5ecaac94d8d6b12f3560a89a9fa5f39. 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/6q4Z3KVFJPtykGHaTBIlXz.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/6q4Z3KVFJPtykGHaTBIlXz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e55fcf93072906557564616c14456c721a1197174f039012ddbb0a980d690e6. 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/3gmrDGgGIqeB8mMQJocTWH.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/3gmrDGgGIqeB8mMQJocTWH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa60cd3dfe4a5b434fa4158ed756f30b7b3f9ac0d8a9a76996a32eccf61185527. 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/3ub5bzNce2grkn6Nu5PVV4.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/3ub5bzNce2grkn6Nu5PVV4.
Only The Family - Lil Durk Presents: Loyal Bros
{"copyright_id":"0x5b94dc86a6a0921e08a2ea6c92f449dbfc318631f7ee0c4e340b4db353ae3bc1","isrc":"USUYG1352574","name":"Pull Up (feat. C3)","registered_at":"2026-06-04T13:29:20Z","spotify_id":"7vdDTRCDv7jTIsXeyHKK9P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b94dc86a6a0921e08a2ea6c92f449dbfc318631f7ee0c4e340b4db353ae3bc1. 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/7vdDTRCDv7jTIsXeyHKK9P.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/7vdDTRCDv7jTIsXeyHKK9P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9f4814af07be4902593c0789905a1dbaf3234d9b4354a6f7f0b44f1e0e1b499. 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/7kBGJ5kEDvKznHvgiloifN.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/7kBGJ5kEDvKznHvgiloifN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848df7a4653276f1193589fed8fa62afbba1bc407911bc6d29dc811a61b83525. 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/0P33JmSUpd3uicT1s4N4Rl.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/0P33JmSUpd3uicT1s4N4Rl.
{"copyright_id":"0x8cceb711f792d22fba7e8d49d20b8030f47e624f1c0f9d8cf1311ba5165e270d","isrc":"QZDA72362077","name":"Quickest Way","registered_at":"2026-06-25T23:59:14Z","spotify_id":"2lYAmDDeUvIRytNOPkulfd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cceb711f792d22fba7e8d49d20b8030f47e624f1c0f9d8cf1311ba5165e270d. 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/2lYAmDDeUvIRytNOPkulfd.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/2lYAmDDeUvIRytNOPkulfd.