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 0xf9efb91e9cd1776c2436e61760f379c051c39f66543acda01eb9258e1986610b. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/49c0e179-919d-45c8-b7e5-7479d94584e7.json and https://artists.proofprofile.net/proofs/artist/49c0e179-919d-45c8-b7e5-7479d94584e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Contrato por la Libertad Eterna (Genshin Impact)
La Luna y el Sol de Liyue (Genshin Impact)
Sacrilegio de Mi Amor por Tí Cuál Obra Me Define Como: Oda al Tonto
Una Cárcel Qué Te Conduce al Olvido (Remix)
Marionetas de la Arconte Rap (Genshin Impact) [Remix]
Los Guardianes del Bosque (Genshin Impact)
La Guerra del Luofu de Xianzhou (Honkai Star Rail) [Remix]
El Alma Retumba Bajo la Luz de la Luna Con la Compañía de las Luciérnagas e Insectos Devoran Mi Carne
La Aristocracia del Dolor Que Cree Saber Ganarme y Son una Alegoría de Mi Ser
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 0xc1b3c3a8e835a204ef1cea9f87491d8109bd5c857af353c71fc983cdfa4bc29b. 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/QZTVM2459558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4743a54fbe80c482c1ece4709119db9e22e00cfd83cced4a9670e27792a09639. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE6XX2566555.