Busto is a surname. Notable people with the surname include: Ernesto Hernández Busto (born 1968), Cuban writer living in Barcelona Javier Busto (born 1949), Spanish choral music composer and conduc
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 0x112c3c050a0121f63b90781e4829ac3deecb428f0bc057636b2394286ee35dc3. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af69312f-b69b-4509-9e2c-2501af350d50.json and https://artists.proofprofile.net/proofs/artist/af69312f-b69b-4509-9e2c-2501af350d50.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 0x9a4f73c70835fc02fd027b6340045a31d52695909f098e9eb182508b1f890be7. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T23:34:13Z), 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/QZES52585537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60663f09f6e662b646cf1e2278a911c2730fc4b81b674bce8c5761721a38c0fc. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:55:49Z), 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/QZES52585538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490300477392ead887e7f63c5d1c2568f9d8a9ab5423586c51bfb7c7595a5cf3. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:46:35Z), 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/QZES52585539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab320ca1aa8a0f66e05f48e6bac24d2d9d2f733a1adbf6f1bf3ee0a033590f7. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T20:13:58Z), 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/QZES52585540.