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 0xceb69f2ddbbbf0afa95d7045eaec1c070af49124821367ce6676415ef4633f7b. 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/e0c7fdd0-d289-439e-a46b-784349ee2d26.json and https://artists.proofprofile.net/proofs/artist/e0c7fdd0-d289-439e-a46b-784349ee2d26.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x0048c1ef19db709549846c322d88dedc10dfdb9a12f312c191d04b5412596f20","isrc":"QZYFZ2522307","name":"MONTAGEM VEM DA UMA SENTADA","registered_at":"2026-06-28T06:42:34Z","spotify_id":"6Aiz6w56AUkdiYkUqZYayZ","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 0x0048c1ef19db709549846c322d88dedc10dfdb9a12f312c191d04b5412596f20. 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/6Aiz6w56AUkdiYkUqZYayZ.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/6Aiz6w56AUkdiYkUqZYayZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd627c677692556745511f92057b817db5e2f57eb94923560972d13ea7b500927. 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/6hSaSnQDpzAuiXtCtMGvFg.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/6hSaSnQDpzAuiXtCtMGvFg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f06c48f6de56f5930c5a7742b0ed482b6148d8ef433163ad90c3eded1ed9a8b. 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/3CA1yaoA3JoK4ksdtFG5pJ.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/3CA1yaoA3JoK4ksdtFG5pJ.
{"copyright_id":"0x9a3e25dc21985d498e36fad01a262b3b2fef492719ee68670c315d542e7a7680","isrc":"QZTVM2391230","name":"Oh Dj Ta Muito Louco","registered_at":"2026-06-05T12:33:52Z","spotify_id":"3tmERIOvIvSNyFgg2Zb8gF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3e25dc21985d498e36fad01a262b3b2fef492719ee68670c315d542e7a7680. 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/3tmERIOvIvSNyFgg2Zb8gF.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/3tmERIOvIvSNyFgg2Zb8gF.
{"copyright_id":"0x8a881efb4ee05a598962f9fb25748f97fcfe7544b2bdb51728a2010fa79bea8b","isrc":"US7VG2460935","name":"Montagem Só Pq Eu To de Pistola","registered_at":"2026-06-10T02:02:57Z","spotify_id":"0InyVH4Vl4okFXTTYC7t8V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a881efb4ee05a598962f9fb25748f97fcfe7544b2bdb51728a2010fa79bea8b. 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/0InyVH4Vl4okFXTTYC7t8V.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/0InyVH4Vl4okFXTTYC7t8V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558f47386565599c4b16c58f268f2e4fab1d38fc0fdf25702b218af76db6ee4c. 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/1OtTXdk12VD7YV6mDOvyP9.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/1OtTXdk12VD7YV6mDOvyP9.
Tu Vai Se Apaixonar Vs Vai Sentar no Poste
{"copyright_id":"0x40dd76b8ed6012d90d9946de80dc43261643c6f113fc7e789fe529fe4bb85e68","isrc":"QZNJW2435791","name":"Ativei o Poder da Fama","registered_at":"2026-06-19T11:23:45Z","spotify_id":"1kkWcDZyeAv3iTaOGN94pG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40dd76b8ed6012d90d9946de80dc43261643c6f113fc7e789fe529fe4bb85e68. 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/1kkWcDZyeAv3iTaOGN94pG.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/1kkWcDZyeAv3iTaOGN94pG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a2827e7c24395eabf90e1a8078670c0f608ef8986fb58658740b26d9b75b7f4. 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/0faLf1g6GENYQebmQ1OjJX.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/0faLf1g6GENYQebmQ1OjJX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192333c2973437b3ad13779d21e059b65cef7b2c6711e67510265dc8723ac4bc. 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/1TZ15jD157CdZBlxSiPpb8.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/1TZ15jD157CdZBlxSiPpb8.
{"copyright_id":"0xb26d24a9616208a272fb44a4dbd90992c365568af7783c202350a7e2644dcdb1","isrc":"BCUWS2500150","name":"VEM PRA MARCONEX FILHA DA PUTA","registered_at":"2026-06-07T11:32:59Z","spotify_id":"5fWU0mLGvfbGjlhB4h7bKv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26d24a9616208a272fb44a4dbd90992c365568af7783c202350a7e2644dcdb1. 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/5fWU0mLGvfbGjlhB4h7bKv.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/5fWU0mLGvfbGjlhB4h7bKv.
{"copyright_id":"0x74a6d2f0d5ce6df5ba79a22df995c55ac0b2e01739c6280424326b67f975e3eb","isrc":"BCUWS2490330","name":"Sofre Amor De Pica","registered_at":"2026-06-20T06:12:28Z","spotify_id":"0vocGhPdy1PzTvb7DuHsLF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a6d2f0d5ce6df5ba79a22df995c55ac0b2e01739c6280424326b67f975e3eb. 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/0vocGhPdy1PzTvb7DuHsLF.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/0vocGhPdy1PzTvb7DuHsLF.