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 0xad083d409cc315400935d87604075647ff20a287ada6fb69222ad922f5bd4c4a. 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/01eed157-ca6c-451b-84a0-0736f0e0729f.json and https://artists.proofprofile.net/proofs/artist/01eed157-ca6c-451b-84a0-0736f0e0729f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El sensacional dueto Castillo interpreta canciones solo para adultos
Dueto Castillo con la banda de chile frito
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 0xe09e8747be973abbd74c580d59510a624b70c3975fad94ac44023d93978c1ad1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USA2P0708923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5dcfe84a4845927cbaa386f2b7d2229c62de38cd545d16d36a081d70158b815. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P0708927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c6eaabed71e6b7c8e1e24b95c5296ac02b49807833d3915de7f4e0141d370b. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/USAGX0505465.
El Chante Luna (20 Corridos Guerrerenses)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62b6208be5f74d42fc37f276749f05cf42095bd25da1ad98fb0586c1ff1c9f2. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T00:02:51Z), 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/USHM91295310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00d142caa86734e43d76dbed3773fc6ae390c842505bb5c768db35be318a5340. 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/USHM91295314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f0be1cc2b940c5526980984e58e22181e160b996e23f30e50e4f1d05ac4a1f. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T23:06:03Z), 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/USHM91295315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd6e16ac9f6d44b8d2dc3377d3005d18875b3dc5d99c0da8c0db0edff7068e7. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/USHM91295316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ec34e9d3fb94cb2b622b4d72fcfa796655c8581e2bb54eb801f8b53c8a7e1e3. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USHM91295317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf992f3a8b3e0fe9cb1ebcef9f5ded449a7f99f887da0eb33bbaa1b95a3e3a33. 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/USHM91295318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9276272db45e8c843010d32c43159435cb8ccb9de1380b0a6b6042bb7db6ae8b. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/USHM91295319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c217c1939e8a448a510dad08b805d922c9f2cd65b00986c5d41487eb2e157bc. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-22T00:00:55Z), 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/USHM91295320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x740faa08dc8f0defae9ad8e3c69237674ec5a9583f51a9c92670d5c64f7391bd. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:47:01Z), 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/USHM91295323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29aabc09bab93d059cdae472cf9aa7075d0af36b32a052b2b0dc3cd8bf1fb229. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/USHM91295324.
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