Ago or AGO may refer to: Aviation AGO Flugzeugwerke, a German aircraft manufacturer IATA airport code for Magnolia Municipal Airport in State of Arkansas, United States People Ago of Friuli, 7th-ce
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 0xc3d9cba8606091436805f1f18f46efd9ea190952e138ec3e3730980969946bb2. 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/88bc409a-ef5f-46f3-a898-9df257e5b5be.json and https://artists.proofprofile.net/proofs/artist/88bc409a-ef5f-46f3-a898-9df257e5b5be.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 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 0x03d85eeacbf6b729ba467bb11b940c4f9ffbd20603baaff05895eac03d70a663. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/QZNWX2244258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe760257436b72893c08619f33e7a0ba14d24909f98f19f8bbe823927faf7d72b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZNWU2256565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74054a7b6de831bc9574fb31c9657fca0d359e46c0e26b40504012de828f7624. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZNWU2256566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055e2151a547a07a50afca090feb9a812c15b5f64207baaa6e986a79a5ac4960. 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/QZNWU2256567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107bc58c037f4e35a824601a9c876dcb0ef4f7b620e2f50580e0e60ec4f07f68. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/QZTB42239427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c530cc5ff605bf2b71f779006a4974db69bdaa8ed0db9ccc915396072f49969. 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/QZTB42239429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266f6e0e94789ef30b73e8ff32cda48406225997e6cba3211552663667f4b999. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZNWQ2326069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3dbad611bac165b03bfc48537c079e7217bcfeaca4787ba881c2178803f964d. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:29:51Z), 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/QZWFF2455153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2975037b0054f5e52c6a1e2e0996650eeb1469919f78dc193530335cecf0eaa. 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/QZNWZ2419245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa1667ca5ea65868e56b407e0ff2e16e3b374bf02c379991ec1479fc003fa571. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:29:58Z), 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/QZTB62494729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c36289896ac85f355500afb9a957381ee62719a1968fc83613367c0a25ebd5. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZWFT2480489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec320d35114e3cbdab555db81b2410684ab74fb9d7514b84eddbc945518caa2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZAKB2463974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3353fabe2f4b489d35e24e9cda982b55d5dda2dc6f00b0c9c19e8d78779f63e. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:41:10Z), 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/QZK6H2565017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11a8178e9512d5e9e07c7eac6ac13691a55b347cdebbba5f8d83452e289ae80. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/QZK6H2563217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb90e68673ff4cbb6fcb9c263134bd2a2fcbe05bbaf907a968d0ab668183fe803. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/QZAKB2515192.