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 0x97d91e479eec6012cd578a95ff4e1c3e65466631a14139a0aeab534f2442a9a4. 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/767412dd-b416-4429-ae64-0026451f64be.json and https://artists.proofprofile.net/proofs/artist/767412dd-b416-4429-ae64-0026451f64be.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 0x252d19b097c3bfee20e76892ec699721f43510eb202938335a033e4296a38ac2. 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/036IGUsNyU2lcWMkB6Yfws.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/036IGUsNyU2lcWMkB6Yfws.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa24478fa7929032723bc3c0d33dc5924aa9b123847196dc1f66e6f2046a82a24. 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/4CPJcIG6pqxjqsCCgh2EVh.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/4CPJcIG6pqxjqsCCgh2EVh.
{"copyright_id":"0x16fc0842d26303fc5368c9d383eff8e53f1a9cb3e29fc7f06136d748aa4280ef","isrc":"QZES72321714","name":"Brilho Muito - TcheloBeats Remix","registered_at":"2026-06-08T21:50:47Z","spotify_id":"3cKsKDJ3T92Ew4zeyxborl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fc0842d26303fc5368c9d383eff8e53f1a9cb3e29fc7f06136d748aa4280ef. 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/3cKsKDJ3T92Ew4zeyxborl.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/3cKsKDJ3T92Ew4zeyxborl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b53df6a3a5c05a1c2ab049d8e1c9100e8fc528f081decf55dc7b4a0539cba30. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GIbjRtlWpdzShPyIva4oG.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/3GIbjRtlWpdzShPyIva4oG.
{"copyright_id":"0x0f34238b942be96d7eedfaf7ba30188b4c13b73872f20420a9c00b7c6bf26bb0","isrc":"QZNJX2382388","name":"Mashup Sad","registered_at":"2026-06-04T14:18:37Z","spotify_id":"6dabyOZYfKM0e9UEDZPjvd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f34238b942be96d7eedfaf7ba30188b4c13b73872f20420a9c00b7c6bf26bb0. 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/6dabyOZYfKM0e9UEDZPjvd.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/6dabyOZYfKM0e9UEDZPjvd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x467428fe92c1012d62047c608b98a9147867e8c82400f57674525afb50327f1e. 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/0m1bShclofN7glDR0KVGrB.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/0m1bShclofN7glDR0KVGrB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90cad5295529179363b34962d8e0124249431ee0fa79c174afc99c1b3919a2ca. 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/0AqPLNI3Wf2dYOMkRcbtEU.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/0AqPLNI3Wf2dYOMkRcbtEU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08124a8456695953d165d7ac49d531a46b4b5976c0a434a9ec279d236661dc53. 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/3ZXt3rfyWUjRFANw2KsXN3.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/3ZXt3rfyWUjRFANw2KsXN3.
{"copyright_id":"0x4dfe95dc426184f6b82e2a5532b0e9bb6dc86461e44a7ce7ab51db7436ae318d","isrc":"BC2GV2300001","name":"Abracadabra (feat. TcheloBeats)","registered_at":"2026-06-06T17:58:27Z","spotify_id":"1VD2OpYCfwtQbygpUppp26","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dfe95dc426184f6b82e2a5532b0e9bb6dc86461e44a7ce7ab51db7436ae318d. 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/1VD2OpYCfwtQbygpUppp26.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/1VD2OpYCfwtQbygpUppp26.
Cosplay de amor da minha vida (Versão Speed)
{"copyright_id":"0xcdfd2a5069e1451a1ec9cd45585b962031b61486ed529483946ea9ada2d671f7","isrc":"BC2GV2200012","name":"Cosplay de amor da minha vida","registered_at":"2026-06-05T05:54:13Z","spotify_id":"3QJswJG7IGOGHBq47J77sl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdfd2a5069e1451a1ec9cd45585b962031b61486ed529483946ea9ada2d671f7. 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/3QJswJG7IGOGHBq47J77sl.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/3QJswJG7IGOGHBq47J77sl.
{"copyright_id":"0xa61892daddfd549a6b7458ccd7bb47151d1dca6f80b7cd473f24be88f5f36fce","isrc":"BRGRA2110001","name":"Holofotes (feat. GRAV & VMZ)","registered_at":"2026-06-10T17:34:24Z","spotify_id":"77t6igTj7mcwuZgOiMK7cD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa61892daddfd549a6b7458ccd7bb47151d1dca6f80b7cd473f24be88f5f36fce. 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/77t6igTj7mcwuZgOiMK7cD.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/77t6igTj7mcwuZgOiMK7cD.
{"copyright_id":"0xd89292110fff16f3a32a17978ab7a1a5ea2de8c495af372b826290bdcd5ae40b","isrc":"SE5752102975","name":"Drink Azul (feat. Jonis)","registered_at":"2026-06-04T15:37:36Z","spotify_id":"7rUplSiO8DPS5kgBEwoF2K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd89292110fff16f3a32a17978ab7a1a5ea2de8c495af372b826290bdcd5ae40b. 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/7rUplSiO8DPS5kgBEwoF2K.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/7rUplSiO8DPS5kgBEwoF2K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94073c13857a9c7c3de71d0b94232dbc1775e0a7ddff1ef205110353d620c597. 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/4H4lLncWY6k5g0MCeYDRjE.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/4H4lLncWY6k5g0MCeYDRjE.
{"copyright_id":"0xc255714dbf9043404f6938ec1d1adafe765eee3b1eb7ec4ae771995ab4fa231c","isrc":"BCA5Z2400027","name":"A Noite É Nossa","registered_at":"2026-06-05T16:52:08Z","spotify_id":"5psDcRC8PvznC9TehMzFKg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc255714dbf9043404f6938ec1d1adafe765eee3b1eb7ec4ae771995ab4fa231c. 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/5psDcRC8PvznC9TehMzFKg.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/5psDcRC8PvznC9TehMzFKg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5865959f2074006e15d3a223c979a89160f6f9bf769d73476064677aaf7a8cf. 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/3jEvtcIQdiWdUZWk3E5Cm9.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/3jEvtcIQdiWdUZWk3E5Cm9.
{"copyright_id":"0x5f1fce7e2fad8a4b48405c14000c988787d3dfab433d725612b4631588df7a0f","isrc":"QZWDD2385370","name":"Não Mais Sozinha","registered_at":"2026-06-06T18:04:09Z","spotify_id":"75hjHsbUWNbBJmHqdLjLTg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1fce7e2fad8a4b48405c14000c988787d3dfab433d725612b4631588df7a0f. 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/75hjHsbUWNbBJmHqdLjLTg.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/75hjHsbUWNbBJmHqdLjLTg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2b3daa285f6351a813ecade4326bc7a49d3721172d3b3ecb5cd4b5248429bf. 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/1f1Ck4mSJTMzicVfnAuWR3.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/1f1Ck4mSJTMzicVfnAuWR3.