1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91bf50e6439f96df8803b7992978ec7ed316ec71bbf2d69712b003a0148e03d9. 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/a59622be-47c8-4436-89a5-050ed84dde48.json and https://artists.proofprofile.net/proofs/artist/a59622be-47c8-4436-89a5-050ed84dde48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rap do Yato - Eu Fui Mal Mas Tô Bem (Noragami)
Rap Tanjirou e Kanao (Kimetsu no Yaiba) - A voz do seu coração
Rap do Oreki Houtarou(Principios de Preguiçoso)
Rap do Sakuta Azusagawa(Tudo bem se você não lembrar)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8534f620650afa718f0de640d6c863ab513211ba0395897172c01ce10781f773. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6H2097140.
Rap Do Yuu Otosaka E Nao Tomori (A Promessa Que Eu Fiz Pra Ela)
Rap Do Hikigaiya Hachiman(filosofia de Solitario)
Rap Do Ayanokoji(manipulando Marionetes)
Rap Do Yukihira Souma (A Arte de Cozinhar)
Rap do Mob Pshyco e Agata Katsuhira(Eu só queria poder sentir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661a9a5dfaaeb6c2382be944aed91f96e45f7fe86f1a761e34c77b7c6acf7ca0. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEP2096324.
Rap do Hachiman Hikigaya e Oreki Houtarou(Noites Chuvosas)
Rap do Subaru Natsuki(A morte quer me pegar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50cd01c82968a7b91ed8628b5997442875eb28513bc8c4323373e0dca3a1c180. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2064502.
Rap do Portgas D. Ace(Bandeira da Liberdade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87dd23a66a11c63eb917fc5492795ace7bad9e4cda6309fa2d84df14e2057c4b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWU2041323.
Rap do Usopp(Que as mentiras se tornem verdades)
Rap do Tatsumi(Grite com o seu coração!)
Rap do Okabe Rintarou(A cena que me machuca não para de reprisar)
Rap do Senku Ishigami(Conhecimento é poder)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04984acb91149cf49343748c7d67d90cb2da469b62d884ab485a72270eba25b. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLR2036004.
Rap do Trafalgar Law (Como é que se cura o coração?)
Rap do Bakugou Katsuki(O heroi mais proximo de ser vilão)
Rap do Levi Ackerman(Não hesite pra matar)
Rap do Diablo(O Rei Demonio de Outra Terra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x129e957402b22d6c04d8c55af4110fb43e8db5a6810e5d06cfab11a0cb803b90. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52197403.
Rap do Kurogane Ikki(Quando tudo parece perdido)
Rap do Ainz Ooal Gown(Tema o Lorde Supremo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e8f6fc8da219edcab299bc15ebb48ac36b0336fd769f4e7f22d7c3dd3cae3d. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2101070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc73a89f8253117856fdf894c39581206bad05fc44cf4f07c5e2503ca28f368c. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T19:27:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2108659.
Por trás das mascaras (Oreki Houtarou e Fumiya Tomozaki)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafce50730c9e69de1fb5fabbac5af5084546d4427e311db0e44c4f540870725f. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2133808.
Até a ultima gota de sangue(Shirou Emiya)
Edward Elric e Alphonse Elric(Juntos até o fim)
Hikigaya Hachiman(Filosofia de solitario 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b0c559838f7af37cdc4d53b09ab3277ff7046a816ffb581c9cf7bde2ea8adec. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWZ2116171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ed8119f35ab10e76f96de1897713201997cc1fb752aa1325683cd0f2205051. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLS2163359.
Anos Voldigoad (Só existe um rei demonio)
Yotsuya Yusuke (As feridas vao cicatrizar)
Takt Asahina (A canção que eu compus pra você)
Lugh Thuata Dé(O maior assassino do mundo)
Shin Wolford (Por você vale a pena lutar)
Arima e Kaori(A morte se apaixonou pela vida)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a75211d4cd0e179d8c69e061b5c20e9adc61ef0c1fde4d749c10982852203dc. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92278828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b786b7859d6f0b687d6d8d69d7c8beadc1b5694c39d96bf85e319a44d6d1ac5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42236089.
Notas de liberdade(Subaru, Hikigaya, Oreki)
Sadao Maou e Diablo(O rei demonio de outra terra)
Arthur Leywin(O rei que governa os reis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1564e50e5f5b045c3d00b6d1956e5604621b5fabf039c63f82bb604b9642d88d. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82285020.
Rimuru tempest, Anos voldigoad, Iruma kun(Quando o céu escurecer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad4ee08244fc46b80b15dda6eb1333efccc16e9bb6a8772c9abad1b91b79fe30. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNA2214221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b130eef0c44a35e6fed8d2908478327341f1b4d6d0574e0d1a5191e19388cd. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2252295.
Thorfinn (Não conheco vingança perfeita)
Makoto Misumi(E se tudo der errado amanhã)
Musashi (Nas asas de um sonho impossivel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc559757f4be2fa284cf67b3efa7ffcca7af64f708a3007eef028aaf81913ce. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWS2269503.
Ainz Ooal Gown (Traidores não merecem perdão)
Ayanokoji, Lelouch,Yuuichi(A arte de manipular)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3e69a45287b9b309b25adcae2926f73e4936fe6fa8f26317bd3fb3f92f5158. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42372133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x899ed5af10531a930c05268e1d59f7cf436a332c6ec407b220a02aa4ff825900. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2308706.
Mash Burnedead(Eu só preciso de um soco)
Miyamura x Hori (Se o amor nao me curar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9fd85798655643a5caee0688f6f491e5d6e6d91d234ebc33e03edb71b6320e. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFP2317575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f71be1146b1ac0f22ff8df9a1357b037de69899704391b29fc3774983265721. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2441953.
Kafka Hibino(Kaiju no. 8) [Nossa Promessa]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f089d73d8d23cdbef5182339677d2b58a42efef170bdcf097013b9143c0df1d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52445810.
Carta de Arima pra Kaori(Sempre vou te amar)
Anos Voldigoad(Só existe um rei demonio 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2ec0854e1684815ba9679cd88352960d1478606e32c6cd2364265124ceaf38d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFF2455030.
Rakuro Hizutome/Sunraku(Shangri-La Frontier)
Will Serfort | Entre Varinha e Espada (Wistoria)
Oreki Hotarou e Hikigaya Hachiman(Filosofia de solitario 3)
Ayanokoji Kyotaka, Arima Kousei e Kurogane Ikki(Levanta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf59ae7f4ddd4aa85e1023738e0f5119bd1e3251e2e43cdb7b357d40de5e45e25. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32529586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe907fc982d9c050afeef548fd9b53d262c07ed46b945831c490e9079c39b737. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2584750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a43852b7095b42196855dc74a26cba30ff8b81b7944d8e806367a590fe3f67d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2506733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2968baec0fcceb4f139be8265716b35e5ed9d46a4cdbe9cc27098b9daba237ef. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2595692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6e872a536d78ee9c6cdf16af09f32cf931599f5056d120cdca758b6a3fb392. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAS2553416.
Rio/Amakawa Haruto (Foi por minha Vingança 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3baac8dcb233866727712d6370d162b0b758ef2a8958822f4f885712a9b4bfc. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFT2525562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8bbdac275b1b2265e5f2a242696a2ec119e3c2a672cd8befbf1ef428b2f7fa. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3EY2532029.