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 0x64587be8e1a1351b4ca2c4a867a2041e8e12b3997bffaecaa87a65615565c07e. 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/a7e083b0-844c-4223-a2f7-8727ede856a1.json and https://artists.proofprofile.net/proofs/artist/a7e083b0-844c-4223-a2f7-8727ede856a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x379e9fc5313deff1e59236a68ff6386e23fe5d49785260eda81bf8fce2c3f569","isrc":"USSM12304649","name":"BAILAR CONTIGO - Gianluca Vacchi Remix","registered_at":"2026-06-09T07:47:39Z","spotify_id":"5KXlnr8u92aBg00ydItDLz","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 0x379e9fc5313deff1e59236a68ff6386e23fe5d49785260eda81bf8fce2c3f569. 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/5KXlnr8u92aBg00ydItDLz.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/5KXlnr8u92aBg00ydItDLz.
{"copyright_id":"0xd2dbefcd169335ebe3499759e3cde76026660fa6aa6bd021cc4781a7ac18b44a","isrc":"GBKQU2446693","name":"Cucaracha (Gianluca Vacchi Dark Mix)","registered_at":"2026-06-09T09:56:14Z","spotify_id":"6OEKt3r6vZlxYYNk3w8ZpG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2dbefcd169335ebe3499759e3cde76026660fa6aa6bd021cc4781a7ac18b44a. 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/6OEKt3r6vZlxYYNk3w8ZpG.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/6OEKt3r6vZlxYYNk3w8ZpG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e2b83843305ee7a97e2e78dbec95cf6425c27b1ec1775d8cc7a8d8ff0bccb2. 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/2E1rGKxjaIAZ5LzwkMDaGy.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/2E1rGKxjaIAZ5LzwkMDaGy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a0886806d0e9273789ba4bcdbddb346b36511ff6f00f36dc6f24464b671ccaf. 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/6gIw6OMbVREldzeVtR53tT.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/6gIw6OMbVREldzeVtR53tT.
{"copyright_id":"0xead807869c2eb6df2db5a23c57a4fbb68f013a734b49206cdeb7aecc6f64cb3b","isrc":"NLZ542400357","name":"Bala (feat. Flori del Pino)","registered_at":"2026-06-07T01:38:55Z","spotify_id":"0bqaziJFioJtEWzBx3VYlD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xead807869c2eb6df2db5a23c57a4fbb68f013a734b49206cdeb7aecc6f64cb3b. 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/0bqaziJFioJtEWzBx3VYlD.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/0bqaziJFioJtEWzBx3VYlD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea57aac0484f1b90a4e42ceebaf34247c775f5b5e0c023fa434c68d4057a587. 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/3praNbnBLuj5Zg8fzJPxiM.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/3praNbnBLuj5Zg8fzJPxiM.
Sombrerito Blanco (feat. Martina Camargo) [Extended Mix]
Sombrerito Blanco (feat. Martina Camargo) - Extended Mix
Sombrerito Blanco (feat. Martina Camargo)
{"copyright_id":"0x1e7e9d532772643b70fb876542b1e4c8a68c715aa20690ada67ca88784c5f8fb","isrc":"NLZ542300906","name":"Sombrerito Blanco (feat. Martina Camargo)","registered_at":"2026-06-08T04:57:22Z","spotify_id":"33Ng2YiuWTAeDF59efvMOv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e7e9d532772643b70fb876542b1e4c8a68c715aa20690ada67ca88784c5f8fb. 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/33Ng2YiuWTAeDF59efvMOv.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/33Ng2YiuWTAeDF59efvMOv.
I Would Die For You (feat. NEVRMIND) [Extended Mix]
I Would Die For You (feat. NEVRMIND) - Extended Mix
{"copyright_id":"0xdb1ca398fef63a4ace7bfb2f586df8adfc70117a24b70d89f9474f1b2d6185ee","isrc":"NLZ542201985","name":"I Would Die For You (feat. NEVRMIND)","registered_at":"2026-06-19T15:11:44Z","spotify_id":"5qj4yrhqRnBUFA8UrBvCdo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb1ca398fef63a4ace7bfb2f586df8adfc70117a24b70d89f9474f1b2d6185ee. 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/5qj4yrhqRnBUFA8UrBvCdo.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/5qj4yrhqRnBUFA8UrBvCdo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48cc5a08a90f14c68ee37b6a5eabed25735344e5061874d9697405b8a894cbd6. 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/4g1kpzk7ONJ2hxM0AOpleM.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/4g1kpzk7ONJ2hxM0AOpleM.
Africa Ya (feat. Flori del Pino & NEVRMIND)
{"copyright_id":"0x902e59d976b54d87787489bbb5067d98d7cdf4a6ae07396c81700636da8dcea9","isrc":"NLZ542101128","name":"Africa Ya (feat. Flori del Pino & NEVRMIND)","registered_at":"2026-06-06T11:38:31Z","spotify_id":"3joLlfbtch5y9dUiLYjLvc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x902e59d976b54d87787489bbb5067d98d7cdf4a6ae07396c81700636da8dcea9. 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/3joLlfbtch5y9dUiLYjLvc.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/3joLlfbtch5y9dUiLYjLvc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f419f6d374e4adb397dca75fa9d70e3ac9375e7b9d0f6b73ddda470c5596f77. 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/2VsMPBlyoaMMPyeT90DNBL.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/2VsMPBlyoaMMPyeT90DNBL.
{"copyright_id":"0x8eb2ed1be203f9b6899d8d25b83b487a755aa086c65b724b5a792f34ddd803fd","isrc":"ITBQ61900092","name":"Lamento - The Cube Guys Remix","registered_at":"2026-06-18T19:42:45Z","spotify_id":"6SByzAWD8bilSl70J6WOLk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb2ed1be203f9b6899d8d25b83b487a755aa086c65b724b5a792f34ddd803fd. 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/6SByzAWD8bilSl70J6WOLk.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/6SByzAWD8bilSl70J6WOLk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401cb342fc1971f665afd3d4af046d4855cbf6f6de78e081a29e9c4d4f280260. 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/7eiPStrJyImxzR9jumURZ3.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/7eiPStrJyImxzR9jumURZ3.
{"copyright_id":"0x3adefc05dcdf0848aa19b89b765c635204dffef83ff53a1f5efc8cae64d5c49d","isrc":"NLF711902525","name":"Come On And Show 'Em","registered_at":"2026-06-21T17:34:34Z","spotify_id":"3kWTVP1qG7Bp5Vw6dV6upe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adefc05dcdf0848aa19b89b765c635204dffef83ff53a1f5efc8cae64d5c49d. 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/3kWTVP1qG7Bp5Vw6dV6upe.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/3kWTVP1qG7Bp5Vw6dV6upe.
{"copyright_id":"0xe700edf1abc3cefa3c7b6da2cca959ecd77c30940c6f1c38b0d59574e1942614","isrc":"NLZ541801666","name":"Wagliò (feat. Alessio)","registered_at":"2026-06-08T13:48:41Z","spotify_id":"297mSdwiEUSv93Bj5aU7oh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe700edf1abc3cefa3c7b6da2cca959ecd77c30940c6f1c38b0d59574e1942614. 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/297mSdwiEUSv93Bj5aU7oh.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/297mSdwiEUSv93Bj5aU7oh.
{"copyright_id":"0xcd22b38070e336ba1526cf5688e39a04bcd27dfa104590133dab7c7a8bb4b8ab","isrc":"USUM71807676","name":"Sigamos Bailando","registered_at":"2026-06-04T14:33:52Z","spotify_id":"07XhZyYKgZMT4SBAddwVhl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd22b38070e336ba1526cf5688e39a04bcd27dfa104590133dab7c7a8bb4b8ab. 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/07XhZyYKgZMT4SBAddwVhl.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/07XhZyYKgZMT4SBAddwVhl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd145b233dd78ffe6ea202805e12216588be8861aa99d60d7d834ea5ceceec0. 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/2NRhy2p5nQkv62kaec3BW6.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/2NRhy2p5nQkv62kaec3BW6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a2299445d29a57152fcdaefa5b9795c64ff392a65922e3b1fa8d84dfacdbd3. 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/4ncKLbNlKDq6ccyPTiGnQo.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/4ncKLbNlKDq6ccyPTiGnQo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb5e6724b7ac01870f3a8214942e8e3a47669bcd9d8c8d842f5cde0de8a28d7. 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/0p34Y0tZFOvG3UpZQizOzv.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/0p34Y0tZFOvG3UpZQizOzv.
{"copyright_id":"0x379e9fc5313deff1e59236a68ff6386e23fe5d49785260eda81bf8fce2c3f569","isrc":"USSM12304649","name":"BAILAR CONTIGO - Gianluca Vacchi Remix","registered_at":"2026-06-09T07:47:39Z","spotify_id":"6kJkApTLtNgffEKvNQ5o23","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x379e9fc5313deff1e59236a68ff6386e23fe5d49785260eda81bf8fce2c3f569. 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/6kJkApTLtNgffEKvNQ5o23.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/6kJkApTLtNgffEKvNQ5o23.
{"copyright_id":"0x3adefc05dcdf0848aa19b89b765c635204dffef83ff53a1f5efc8cae64d5c49d","isrc":"NLF711902525","name":"Come On And Show 'Em","registered_at":"2026-06-21T17:34:34Z","spotify_id":"6bSkfqqXlCCRplZsnYh436","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adefc05dcdf0848aa19b89b765c635204dffef83ff53a1f5efc8cae64d5c49d. 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/6bSkfqqXlCCRplZsnYh436.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/6bSkfqqXlCCRplZsnYh436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd145b233dd78ffe6ea202805e12216588be8861aa99d60d7d834ea5ceceec0. 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/6P0JERkOH92ojM8bj41oX1.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/6P0JERkOH92ojM8bj41oX1.