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 0xf8ce1f20ef2eeb23a200e5ae0006f5c62d8c17282bb0f8b2b1a1ff657e071088. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6d5558a5-ce7c-40d3-b20b-3ed1b3504c24.json and https://artists.proofprofile.net/proofs/artist/6d5558a5-ce7c-40d3-b20b-3ed1b3504c24.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x943f101cf4de7ca98b3c63347da2b1b01f6e1d3c6619abf38d8ac87db906c64f","isrc":"BRRGE0900284","name":"Not The Right Day","registered_at":"2026-06-29T15:24:43Z","spotify_id":"3WwU0bMZMHchR5EQf8Edoz","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 0x943f101cf4de7ca98b3c63347da2b1b01f6e1d3c6619abf38d8ac87db906c64f. 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/3WwU0bMZMHchR5EQf8Edoz.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/3WwU0bMZMHchR5EQf8Edoz.
{"copyright_id":"0x49ddbfd495eaa9769bfa48495f538d14b67d86f21a62c85a6f6e2a46abf08363","isrc":"BR31P2200012","name":"Em Tua Presença - Ao Vivo","registered_at":"2026-06-25T13:04:19Z","spotify_id":"1faUnVsSQF9PGjwFRTz5Fn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ddbfd495eaa9769bfa48495f538d14b67d86f21a62c85a6f6e2a46abf08363. 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/1faUnVsSQF9PGjwFRTz5Fn.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/1faUnVsSQF9PGjwFRTz5Fn.
{"copyright_id":"0x18741787c65ba2bac05c33474b1d3f7c7d7a06ef1f534c8375ca02de5ffc6ce3","isrc":"BR31P2200023","name":"Essência da Adoração - Ao Vivo","registered_at":"2026-06-08T12:22:45Z","spotify_id":"2NVOSlLVgrsgD2Vugz4J03","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18741787c65ba2bac05c33474b1d3f7c7d7a06ef1f534c8375ca02de5ffc6ce3. 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/2NVOSlLVgrsgD2Vugz4J03.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/2NVOSlLVgrsgD2Vugz4J03.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36470104845189496775f4930a8b6052f3fdcad4941d0daf3bbb42c571f18f70. 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/51shgC8Z0w5xzNccTA5um6.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/51shgC8Z0w5xzNccTA5um6.
Lançamentos da Música Gospel - Sucessos 2024
{"copyright_id":"0xc4023c9b99af33fb69f74cc8d9d0d6784bf5423a1529efcb385280c9f08f6510","isrc":"BXT8R2300011","name":"Medley Crianças DT Toin Toin - Ao Vivo","registered_at":"2026-06-09T07:31:20Z","spotify_id":"5yVMCpT4xXbkoUGT1p4KMY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4023c9b99af33fb69f74cc8d9d0d6784bf5423a1529efcb385280c9f08f6510. 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/5yVMCpT4xXbkoUGT1p4KMY.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/5yVMCpT4xXbkoUGT1p4KMY.
{"copyright_id":"0xdbd5787355196edbb0c16c97bca1e933fdb0ffed474aae048d36ea136d901c72","isrc":"BXT8R2300012","name":"Medley Crianças DT Princesa - Ao Vivo","registered_at":"2026-06-08T20:19:47Z","spotify_id":"7vjpMuUYpSTUIfGuqvoUpf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd5787355196edbb0c16c97bca1e933fdb0ffed474aae048d36ea136d901c72. 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/7vjpMuUYpSTUIfGuqvoUpf.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/7vjpMuUYpSTUIfGuqvoUpf.
{"copyright_id":"0x120324c2eef92e8f8a44beb6823a8a820365bcbbf0446343c95f43c2632edf3c","isrc":"BXT8R2300013","name":"Preciso de Ti - Ao Vivo","registered_at":"2026-06-04T10:29:18Z","spotify_id":"3bYTEQ6PyFCJTq3FcohJYQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x120324c2eef92e8f8a44beb6823a8a820365bcbbf0446343c95f43c2632edf3c. 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/3bYTEQ6PyFCJTq3FcohJYQ.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/3bYTEQ6PyFCJTq3FcohJYQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f74321b8e3a94e857501004a950603ac56898f827d4417cf1accc1eb89b923b. 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/68SmZTmyGUAaQLNuK4gWgD.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/68SmZTmyGUAaQLNuK4gWgD.