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 0x8c0849145bbb24f76c91cfeb76ebcb957eb33ac22a50d32306c683f8998503c1. 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/511ccd8e-7f03-4027-8069-534eb5def696.json and https://artists.proofprofile.net/proofs/artist/511ccd8e-7f03-4027-8069-534eb5def696.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 0x9fd1a7f5308fe665f6168673197061e70dfb9f2ae7dd92b92352b623c4540051. 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/6wNeow1LPAGpbLR2pbEuO7.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/6wNeow1LPAGpbLR2pbEuO7.
{"copyright_id":"0x8bf4fdb05cfe91c82080e861a3d0477b1db77044d4bef40faf51c9966d713dc1","isrc":"TCAHS2353023","name":"Nuk Duron Zemra","registered_at":"2026-06-10T22:08:47Z","spotify_id":"6HxBKHXUcXeGkjG3BDuvRE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf4fdb05cfe91c82080e861a3d0477b1db77044d4bef40faf51c9966d713dc1. 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/6HxBKHXUcXeGkjG3BDuvRE.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/6HxBKHXUcXeGkjG3BDuvRE.
{"copyright_id":"0xea866f952283f54a09848ceec812f8be523badd9f71a430fd28f9762d6eef195","isrc":"GX7852500039","name":"Loti Lotin (Live)","registered_at":"2026-06-26T01:36:18Z","spotify_id":"7fcbqIRcPJLkdzofTltFbc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea866f952283f54a09848ceec812f8be523badd9f71a430fd28f9762d6eef195. 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/7fcbqIRcPJLkdzofTltFbc.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/7fcbqIRcPJLkdzofTltFbc.
{"copyright_id":"0xc16ba0dc47b52e7e4e967a6f1f0c6f2c9c6967398626eb9e9fcf871a57386fef","isrc":"GX7852500036","name":"Ishte nate e fundit (Live)","registered_at":"2026-06-24T23:05:07Z","spotify_id":"6XhRGJolSaB9bf4QWvhqog","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc16ba0dc47b52e7e4e967a6f1f0c6f2c9c6967398626eb9e9fcf871a57386fef. 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/6XhRGJolSaB9bf4QWvhqog.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/6XhRGJolSaB9bf4QWvhqog.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1501b51fb9b581d825db652062aed6d80f8f7b61d393be88d1d23e356b04512. 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/7bHfoYXFfEJ61C5NjHZbY5.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/7bHfoYXFfEJ61C5NjHZbY5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x125f2a18ad0ddc2340caca93d56ae69b4fa2f824986d606224ae533b3a2df3d6. 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/7b1u4njOP3XwnRXSVNOMxN.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/7b1u4njOP3XwnRXSVNOMxN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40dd766095a2085bd17b308126ee4510b016ae0cbb0e481d3506f66d83947bd7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2bPpLUyHRrQ1y4NToEVu3K.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/2bPpLUyHRrQ1y4NToEVu3K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a6e2c9d371e801cf46b524d4867654cfef3e86ec74657aec66fc3eb54edc726. 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/3W9rWwkEYzWDJMVy4o0Izp.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/3W9rWwkEYzWDJMVy4o0Izp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33937c83d8c0a7437763e02051cef22c5d3521e50c8c02db720df14232b092a9. 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/4YpZJQvblC3ZkkTmPaGOTP.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/4YpZJQvblC3ZkkTmPaGOTP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a989a1594992131361264a84f80c80bf7e1d32b417150102fca2d63723eeba. 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/0yKgclc1LnOykimCDQ9P8f.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/0yKgclc1LnOykimCDQ9P8f.
{"copyright_id":"0x3bb59094f685f226c764addc2bebf44021acfba12bcf2e6941463efb5b49fe55","isrc":"DGA0L2377816","name":"Po rreh defi për dashni","registered_at":"2026-06-07T15:49:39Z","spotify_id":"4vMtf9NreTE8MixylmKYby","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bb59094f685f226c764addc2bebf44021acfba12bcf2e6941463efb5b49fe55. 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/4vMtf9NreTE8MixylmKYby.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/4vMtf9NreTE8MixylmKYby.
{"copyright_id":"0x5737b229faa73b81b6769d5e61ca0bc20f7bbcacf9a89659bd8acc038abd2b95","isrc":"DGA0L2377817","name":"Bini Ju Tupana","registered_at":"2026-06-08T15:03:05Z","spotify_id":"4rKBgMInLvP4CyKvx4Z8Z9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5737b229faa73b81b6769d5e61ca0bc20f7bbcacf9a89659bd8acc038abd2b95. 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/4rKBgMInLvP4CyKvx4Z8Z9.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/4rKBgMInLvP4CyKvx4Z8Z9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f56162740ab605840ed0df31c3ca9a38c73f429477312efd9bb5091f5c8f78e. 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/5q0Z9F61mFAmo4ZROaOPQl.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/5q0Z9F61mFAmo4ZROaOPQl.
{"copyright_id":"0xc5a835fa30989f6f5ad2bf79e8f057770aa216dadae2120b2cbebf1fad0e77f8","isrc":"GX3Q92394124","name":"Per Ty","registered_at":"2026-06-07T22:31:23Z","spotify_id":"6TKAdzyHgKR67RqbgdQbNq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a835fa30989f6f5ad2bf79e8f057770aa216dadae2120b2cbebf1fad0e77f8. 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/6TKAdzyHgKR67RqbgdQbNq.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/6TKAdzyHgKR67RqbgdQbNq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7edf4b3d8fdabc8aa2d5110012a81732d6f69096bedbe1115c145d4653ffb779. 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/3ebHNB84c9j4jd4KplE7E6.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/3ebHNB84c9j4jd4KplE7E6.
{"copyright_id":"0xcd76845e74b009583506d9d4ce7568600dd7debfe13c8ec76cb020fe37a0fb3a","isrc":"FR59R2353242","name":"Mua m'ke shkel me këmbë","registered_at":"2026-06-25T07:15:46Z","spotify_id":"7krDDK9yolKxLt0ZnQ8ELP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd76845e74b009583506d9d4ce7568600dd7debfe13c8ec76cb020fe37a0fb3a. 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/7krDDK9yolKxLt0ZnQ8ELP.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/7krDDK9yolKxLt0ZnQ8ELP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef190afbb14e5c294f8e946b5c89a68d4cabe4537ca1ac5c706c012b4a4f9d69. 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/0TYuQJ8qJsEOj8ol6vRYva.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/0TYuQJ8qJsEOj8ol6vRYva.
{"copyright_id":"0xafc4b941171da9eb00d726ab8f1d309d4015ecb408a69ae1550bfc0bdf5ac783","isrc":"DGA072238077","name":"A ma fal tradhtinë","registered_at":"2026-06-08T15:02:01Z","spotify_id":"1aMhkGe4VJTAWFOJHXTPvb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc4b941171da9eb00d726ab8f1d309d4015ecb408a69ae1550bfc0bdf5ac783. 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/1aMhkGe4VJTAWFOJHXTPvb.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/1aMhkGe4VJTAWFOJHXTPvb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a203ca1abc5174d6b0c21540266cd20097eca41bfb43d9c57f3120b22b37db5. 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/3toDg2hTL0S1Fo7uCSpGzp.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/3toDg2hTL0S1Fo7uCSpGzp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3edb59f9792cdb11e8f19a502ea2b31b29c2378e23448bccf6645e896ca67c11. 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/5d0TPWpGw3tsgwvu6ENXj3.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/5d0TPWpGw3tsgwvu6ENXj3.
{"copyright_id":"0x5e397071f6cd3b3adac1663db3215213d9c686d1ebee5e138c0b5877c52ed5cb","isrc":"SE6XY2186900","name":"Dueti Fantastik - Live","registered_at":"2026-06-24T22:55:38Z","spotify_id":"2OVnSzNXywfQ5JJuhDGx2O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e397071f6cd3b3adac1663db3215213d9c686d1ebee5e138c0b5877c52ed5cb. 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/2OVnSzNXywfQ5JJuhDGx2O.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/2OVnSzNXywfQ5JJuhDGx2O.
{"copyright_id":"0xc90dc75cf9f0dc4750c9beba1f290d2639bdfba3c0a6d04b1d5f4579feafe5ef","isrc":"USNIN1852001","name":"Godet Shpirti - Original","registered_at":"2026-06-09T11:23:53Z","spotify_id":"51dehn6RJNEkYLqZGEojOl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc90dc75cf9f0dc4750c9beba1f290d2639bdfba3c0a6d04b1d5f4579feafe5ef. 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/51dehn6RJNEkYLqZGEojOl.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/51dehn6RJNEkYLqZGEojOl.