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 0x110a200def0b22a838b959742f648f7f874d4542978f5ceb3d49ae3920047c93. 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/49d754bf-051d-43cc-9b0f-575f03f1869a.json and https://artists.proofprofile.net/proofs/artist/49d754bf-051d-43cc-9b0f-575f03f1869a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Por Qué Será Que Estando la Vaca Atada el Ternero No Se Va
Canción del Globo Que Se Llevó el Viento
Manú Se Fue al Trabajo / Manuelito y Su Organito
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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69056ea343d05e0b97fa37f349ed0b2d7d7a3ed9e321584a31ab248b51c9ba3. 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/ARA190500283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a1640124d9f3f3f6b538df9719b001f8baf6e96a6a7ef961bd08864fcb60ca. 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/ARA190500285.
Cuecas choras - Llegó mi hermana llorando – Largueme la manga
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f3196effa3699df2f63a746e38873291b00d984efb349798bc4281bb325d9a0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QM4TX2114986.