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 0xcb8b34970ce4784e946bb6b338e3f10e9ae75214ec5000404e7a1aaa3f2536f7. 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/54ec1ef5-ec9a-4c31-9a32-5f480571cafe.json and https://artists.proofprofile.net/proofs/artist/54ec1ef5-ec9a-4c31-9a32-5f480571cafe.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 0xe243014dd6a493324590dc8a669811f0b592e41651cc34f21f5810024b7a2b82. 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/4NBf7cYU2AGvT11WfiNpOP.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/4NBf7cYU2AGvT11WfiNpOP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a45c5a74020d18840a369833111c89b558702fd8b521224a5133d097443269. 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/1r4WrAZRC20aie5JtfFdp5.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/1r4WrAZRC20aie5JtfFdp5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x981ea7770641974bda3bfb1bc544d7a50b57a98f28612cf001ecf945c2fede66. 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/4xVdPUGx8lCh2Ml2w5OYjf.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/4xVdPUGx8lCh2Ml2w5OYjf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb864bc1a8312a98103cc0355c5f365ed46bada618904f44fb7b9a33202c70c9. 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/1wnk6LrAP0FzZmTUc3BCVd.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/1wnk6LrAP0FzZmTUc3BCVd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a75877fb2f55f56e20129a8e24e738ebcab86ff94fd2d19c6b8499926393080. 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/5B0DKfSgEv5tnhY6fdJg2I.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/5B0DKfSgEv5tnhY6fdJg2I.
{"copyright_id":"0x51042fd3b1a0eb7438ab9fea440b10fe9494db6da94f24a28bbbada9a4af90e9","isrc":"GBLFP2293741","name":"Dsa Double V, Pt. 1","registered_at":"2026-06-23T14:32:04Z","spotify_id":"5l3DS05IfqTU3M81cFmi0Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51042fd3b1a0eb7438ab9fea440b10fe9494db6da94f24a28bbbada9a4af90e9. 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/5l3DS05IfqTU3M81cFmi0Y.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/5l3DS05IfqTU3M81cFmi0Y.
{"copyright_id":"0x7fddfdf19d2a9201644514da8efb23624f169cf49b780cb01a8a18c4fff1fbfe","isrc":"GX53U2060801","name":"Lemme Stunt","registered_at":"2026-06-20T01:04:59Z","spotify_id":"15TK51zwKIf8onLCsNJFop","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fddfdf19d2a9201644514da8efb23624f169cf49b780cb01a8a18c4fff1fbfe. 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/15TK51zwKIf8onLCsNJFop.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/15TK51zwKIf8onLCsNJFop.
{"copyright_id":"0x452b047c4eeea8ad4cf92e4fae327a26f25098db46f55a3d5f1e919e96c4bf3e","isrc":"GBCUW2100069","name":"Slappy (feat. Akz & Bandokay)","registered_at":"2026-06-27T14:22:35Z","spotify_id":"1Bte2O2vot0SNc5DJUINla","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x452b047c4eeea8ad4cf92e4fae327a26f25098db46f55a3d5f1e919e96c4bf3e. 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/1Bte2O2vot0SNc5DJUINla.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/1Bte2O2vot0SNc5DJUINla.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a45c5a74020d18840a369833111c89b558702fd8b521224a5133d097443269. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HOfPQ8RQDLH8zo8fmXQNK.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/1HOfPQ8RQDLH8zo8fmXQNK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384fca22c9e36982d02c8d19f735a9aba291b806648b7fefb16af85cf2789160. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4gyFyQdFm1MfItoHf23U4s.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/4gyFyQdFm1MfItoHf23U4s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3299cfa1b58fa3bc47fd8df13ba72462fd95aa8422a6d22f25653e0a8b59335. 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/5wwQglwrLisPmOByyFnxCC.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/5wwQglwrLisPmOByyFnxCC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384fca22c9e36982d02c8d19f735a9aba291b806648b7fefb16af85cf2789160. 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/3xnkt6b7v97QLAu1blFVgx.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/3xnkt6b7v97QLAu1blFVgx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d43e9e9b0cb44ffec57f182af1c5472e7b20e724c18c0d31107ba60fc8e8222. 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/74XvxQOH9aH69V8iudug9n.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/74XvxQOH9aH69V8iudug9n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35685561afbeec61746dfa43a1906667bf745f274bfc6cdc983a2520ac4ca0df. 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/6BMH0N8OSgr8RRRf2jtcaj.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/6BMH0N8OSgr8RRRf2jtcaj.
{"copyright_id":"0xb6e9ef8037d360231561e2c08a4e5fb4540db851dcfa1c261dec2142da0a642e","isrc":"GBCUW2100031","name":"Can't Settle","registered_at":"2026-06-18T05:16:24Z","spotify_id":"7jQpqSEgZ9vJbUfCDM38Gv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6e9ef8037d360231561e2c08a4e5fb4540db851dcfa1c261dec2142da0a642e. 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/7jQpqSEgZ9vJbUfCDM38Gv.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/7jQpqSEgZ9vJbUfCDM38Gv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f3aabe558bb9ca1352e10134d478a2e799d59cb8d3361298e842f56fc01a12. 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/3KzWPciO8AZ0un4OjD96db.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/3KzWPciO8AZ0un4OjD96db.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49efb01ca12af88c750cf92d794713dafe1c033b1ca7fc99465ea136529478b4. 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/0EYeE66JIiD3oCUQq6dfXv.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/0EYeE66JIiD3oCUQq6dfXv.
{"copyright_id":"0x53b96e0bbdc4b3870d1cfea096092a18f1e845b1c5da21d4a29909ec1b3f5187","isrc":"GBLFP2180628","name":"Far From Over","registered_at":"2026-06-05T09:42:14Z","spotify_id":"5eXTTmPB4rOc59vlsBhpIC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53b96e0bbdc4b3870d1cfea096092a18f1e845b1c5da21d4a29909ec1b3f5187. 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/5eXTTmPB4rOc59vlsBhpIC.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/5eXTTmPB4rOc59vlsBhpIC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaadc3e13e578c275410f17985fe0095bacd9f4aa0ac5752c0a82c1d31b65755e. 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/6c5ScwhTQ6d9QvO07OucPh.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/6c5ScwhTQ6d9QvO07OucPh.
Farm All Stars (feat. Akz, Dezzie, Izzpot & Dsavv)
{"copyright_id":"0x15e4d17e819de5b2b24534fa71399ca520dc4bc5741db50262d83fb47a4e9fcf","isrc":"ZZOPM2104765","name":"Farm All Stars (feat. Akz, Dezzie, Izzpot & Dsavv)","registered_at":"2026-06-07T08:55:18Z","spotify_id":"7eNCb0fxhdOMFvSvdnqHHs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15e4d17e819de5b2b24534fa71399ca520dc4bc5741db50262d83fb47a4e9fcf. 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/7eNCb0fxhdOMFvSvdnqHHs.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/7eNCb0fxhdOMFvSvdnqHHs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64bdf8346e957bcfc4bb26ab2b15ca4bafad8a60152694078a4afde83fdc485e. 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/6B1RGdCVylofKtxneHwKiM.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/6B1RGdCVylofKtxneHwKiM.