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 0xd13747641c86caae78fec9e68c37a52a9d586e03e79ab9bc69e75376bb5a4bde. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7ca8ab7b-05e6-4bb9-bb59-6a95f30d50e5.json and https://artists.proofprofile.net/proofs/artist/7ca8ab7b-05e6-4bb9-bb59-6a95f30d50e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Meliodas Vs Los 10 Mandamientos (Batallas Narradas en Rap)
Monkey D. Luffy Vs Kaido (Batallas Narradas en Rap)
Mont Blanc Noland y Kalgara (La Historia Narrada en Rap) [feat. Akino]
Uchiha Madara Vs 5 Kages (Batallas Narradas en Rap)
Senju Hashirama y Uchiha Madara (La Historia Narrada en Rap)
Lemillion y Deku Vs Overhaul (Batallas Narradas en Rap)
Portgas D. Ace Vs Marshall D. Teach (Batallas Narradas en Rap)
Sasuke Uchiha Vs Killer Bee (Batallas Narradas en Rap)
Jiraiya Rap. Las Memorias de Jiraiya el Valiente
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 0x1d73ebc1bc98885de47a6277d7f82f16adbbb3d7e7705247c21a615610eafe98. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZHN82098378.
Shinobu Kocho Vs Douma (Batallas Narradas en Rap)
Roronoa Zoro Vs Dracule Mihawk (Batallas Narradas en Rap)
Shiva y Rudra Rap. Destrucción y Tormenta
El Sacrificio del Comandante Erwin (Momentos Épicos Narrados en Rap)
Resumen Shingeki no Kyojin (Season 1): Parte 1
Resumen Shingeki no Kyojin (Season 1): Parte 2
Kiba y Akamaru vs Sakon y Ukon. Naruto Rap
Bon Clay Mini Rap. El poder de la Amistad
Resumen One Piece en Rap (Parte 8): Water 7
El sacrificio de Bon Clay. One Piece Rap
Tsukasa Shishio Mini Rap. El primate más fuerte
Alphonse y Edward Elric Rap (Fullmetal Alchemist Brotherhood)
Adan vs Zeus Rap. Shuumatsu no Valkyrie: Record of Ragnarok
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797b88a098234edf8e901cff3c82a655d570cfab5a2bdd3dbd23ec2073992165. 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/QZK6Q2110626.
Sasaki Kojiro vs Poseidon Rap. Shuumatsu no Valkyrie: Record of Ragnarok
Mirio, Nejire & Tamaki Rap (My Hero Academia: Boku no Hero)
Eren, Mikasa & Armin Rap. Shingeki no Kyojin: Attack on Titan