Tesoro or El Tesoro may refer to: People Ashley Tesoro (born 1983), American actress, model, and singer Tesoro Ministry Foundation, a charity Donya Tesoro (born 1991), a Filipina politician Giuliana
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e41b0342f9cde5ae13e7c3320ebc820588a591579d2ff8f583855d45c3511b9. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/07ba118f-ec3f-4c74-b01c-d431b8e59cc9.json and https://artists.proofprofile.net/proofs/artist/07ba118f-ec3f-4c74-b01c-d431b8e59cc9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5346cbe66b41ba685e3507f435bd784ddd8deb89f116871b1024cb5036f95676. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/USA2P2327157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x058be06694742724b3a4e5d45cfec96336783882d584b9ed223c9af19d989a8e. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/USA2P2333991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1053046a5ddc8fe1a623dca74a498cc83fcd8bce2374c9f572cb1fd48b037d6. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USA2P2356216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bf8ff3a0b5b8752e32b15e64062fb61715c0b79d5d8bb5f6a83fb8865abd9f0. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:29:56Z), 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/USA2P2430879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7299d79e5eba0c2d0c69c00c6e71dcd79282f5d8ba314c741fdddc3f9b9e65da. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USA2P2459835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a249934c95e1db080ae0ff1b5fe05803df1667dea7504c6f0d3f4f5aaf0f6b8. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QMFME2559766.