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 0xd2f8eac9937d394749d0eceaf860daf4c1620fa2ea35bb41744b3100b43cf396. 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/56f56809-e6c6-4013-8320-5580a4c29c23.json and https://artists.proofprofile.net/proofs/artist/56f56809-e6c6-4013-8320-5580a4c29c23.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Onipotência (Salsicha, Patolino & Alien-X)
{"copyright_id":"0x546d18a6cd14745105047cd30a5d823b565dc88280d70c8a2bba77e14dbcd7d2","isrc":"QZYHM2358177","name":"Sonhos e Liberdade (Chapéus de Palha)","registered_at":"2026-06-24T23:11:45Z","spotify_id":"4S4qwjnSSdJMuMRPiD7fgx","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 0x546d18a6cd14745105047cd30a5d823b565dc88280d70c8a2bba77e14dbcd7d2. 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/4S4qwjnSSdJMuMRPiD7fgx.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/4S4qwjnSSdJMuMRPiD7fgx.
Alucinação Digital (The Amazing Digital Circus)
Entretenimento ou Redenção (Alastor e Charlie)
Toque Digital (The Amazing Digital Circus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb177196fcd28ada9d29194cdf77b1f90686b543c3925998cae662b694c08aa. 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/40P0LWSomNbU1P8ahN3mAy.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/40P0LWSomNbU1P8ahN3mAy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x845d1e4729f56c92c31c18ad616e0f3306ccb836cf492db125738e680d776243. 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/3SwontFwxcYoC6YAcEPbeO.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/3SwontFwxcYoC6YAcEPbeO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x658e1f24d0f316873b7cbf2fd5f45509116de1677b15a3f7af05e14b94f90cf8. 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/7ER3Rcau0JO4I1BbwEVVHm.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/7ER3Rcau0JO4I1BbwEVVHm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x000c801e871963d2424514b10e91f6c4b41dce7bd677f6297d960a2e016a0431. 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/3Rnf72rHfAHmIbzrOOhGcV.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/3Rnf72rHfAHmIbzrOOhGcV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e75a36615408e0f700843cd34100171c909d3e3f1ebad03fb9fcf665b5c979. 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/3j9X0f6xoDZs683LlQOSRN.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/3j9X0f6xoDZs683LlQOSRN.
{"copyright_id":"0x0b9f86614fd7c5268581fcc160f50a0c8a5c0dcee2e5789e14389c4c67da6ca1","isrc":"BKWAR2400022","name":"Guerra no Castelo Infinito","registered_at":"2026-06-18T22:15:46Z","spotify_id":"5mCdBBRGuGN9mc9PBKg1yA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9f86614fd7c5268581fcc160f50a0c8a5c0dcee2e5789e14389c4c67da6ca1. 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/5mCdBBRGuGN9mc9PBKg1yA.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/5mCdBBRGuGN9mc9PBKg1yA.