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 0x92c5c7d87bae665d8a4815bc306abd42195fefe4ab43f1e5df1a37c6b38e6415. 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/66c1657f-1a1c-4235-876e-408682c1dc1a.json and https://artists.proofprofile.net/proofs/artist/66c1657f-1a1c-4235-876e-408682c1dc1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rap do Trio Monstro: Os Piratas Mais Temidos
Rap do Yuji Itadori: Receptáculo do Sukuna
Rap do Aomine Daiki: O Instinto da Pantera
Rap da Pior Geração: Nós Somos a Pior Geração
Rap do Rock Lee e Maito Gai: Konoha Senpuu
Rap do Megumi Fushiguro: Jardim das Sombras
Rap do Invencível: Tenho Que Ser Invencível
Rap do Takemichi: É por Você Que Eu Luto
{"copyright_id":"0x96a161b3e9da6a9b6e696dfdb73614c4a9de9590aef759cc1463c4b5484e89c4","isrc":"QZHZ52199899","name":"Rap do Takemichi: É por Você Que Eu Luto","registered_at":"2026-06-29T13:50:02Z","spotify_id":"3FUvvFyurN9lLkhU1GLLQl","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 0x96a161b3e9da6a9b6e696dfdb73614c4a9de9590aef759cc1463c4b5484e89c4. 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/3FUvvFyurN9lLkhU1GLLQl.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/3FUvvFyurN9lLkhU1GLLQl.
Rap do Gecko Moria: Sua Sombra Vou Absorver
Rap do Chrollo Lucifer: A Cabeça da Aranha
Rap dos Dragon Slayers: A Fúria dos Dragões
Rap dos 9 Bainhas Vermelhas: Um Novo Amanhecer
{"copyright_id":"0x082923561275138fad442f2c0ff07b880528d388ae0c404c4b5faf4ac329acf6","isrc":"QZTPX2233505","name":"Rap do Izana Kurokawa: O Rei de Tokyo","registered_at":"2026-06-29T13:46:31Z","spotify_id":"6o09DS2ATQdnIoqbvLZtva","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x082923561275138fad442f2c0ff07b880528d388ae0c404c4b5faf4ac329acf6. 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/6o09DS2ATQdnIoqbvLZtva.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/6o09DS2ATQdnIoqbvLZtva.
Rap do Yoichi Isagi - Percepção Espacial
Rap do Hitsugaya: Hyourinmaru, Congelar!
A Partida do Século - Blue Lock Eleven x Sub-20 Japan
{"copyright_id":"0xae4358ff1dd541823d12042425ac86b257d254abd18ed6b89021092ecf706e26","isrc":"QZTAZ2318002","name":"Zero Chances - Itoshi Sae","registered_at":"2026-06-29T13:48:56Z","spotify_id":"3zZaxMnpsWK3FSniMWjPS6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4358ff1dd541823d12042425ac86b257d254abd18ed6b89021092ecf706e26. 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/3zZaxMnpsWK3FSniMWjPS6.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/3zZaxMnpsWK3FSniMWjPS6.
Bela e Doce Travessura - Charles Chevalier
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d3d97d0858307b8d5e7db0dce110bca09253d086578e70fef3c857984334d5. 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/0N1bLOirfAmVBzchK7X4Q7.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/0N1bLOirfAmVBzchK7X4Q7.
Tropa de Exploração: Por Nossa Liberdade
{"copyright_id":"0xb078914ec2e8f0e1ea38e0b7b3aa19aa8244a09b402a1147d791281c42199c2f","isrc":"QZZ7R2468898","name":"Terror da Marinha (Cross Guild)","registered_at":"2026-06-27T13:48:31Z","spotify_id":"63sxTdluj2jIBl0HSP40RS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb078914ec2e8f0e1ea38e0b7b3aa19aa8244a09b402a1147d791281c42199c2f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/63sxTdluj2jIBl0HSP40RS.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/63sxTdluj2jIBl0HSP40RS.