Net-centric Enterprised Solutions for Interoperability (NESI) is a joint effort between the United States Navy’s Program Executive Office for C4I & Space and the United States Air Force’s Electronic S
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 0xf9c66f055aa00e8c75c892333f97fbf224748e62462633b6a52a1e692f2dab71. 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/762848e7-89f5-47c9-9424-eeacbe083b0f.json and https://artists.proofprofile.net/proofs/artist/762848e7-89f5-47c9-9424-eeacbe083b0f.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 0xca5161dc995a25e579ba5c92addc4be3245fe82356228c68f1836b5ba70ea3bb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZ7B82100020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e79f53dfbd5bdc36978d814aa455e1bb953c029491ae34ddaf1f4e5f8386d6b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZ7B82200038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85597acb69c7debf443ca5d2b0f0e24153362345da096532296dfbb3f0045e74. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QMBZ92081709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c5da59cd2ddd0dc5f1d3f7f73ae75f312f55d132d4b71e870be3e6e9fc44498. 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/QZJ842401315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e5cd8d9b90ec1d6a8f1fd2efc2699feadfa810bcedcd283b4c870a390a9e6b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USUYG1518137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aaed90c9fb34722450c2bbb154b491536a5083506d763aa2ede0c690eda6392. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUYG1492666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa22e2d9bdde54cac1cb572ea7b5e2f044807975991c45a866b2adf89e43e232. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZNJY2165873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e5f29221f17886708bdd376e3f703bf4b661e0c3eda70172064fcee21fe2e65. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USDXS2101889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e765fad21d00ac8bba47324196826d8ef392fe70e60eb125399ca6902a846e1. 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/QZJDW2100041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06d13acfc9aac07648f1569c5135498be25d3f21b68ceeafa395947bb37c266e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZ7B82000017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b7e50fa21dbb22a8233a6e511848929da9e4e5aeaf629639ffff8af56cc67ec. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMFME2373141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c06c8505edf8d99763e19c7336ae1ef93a251e82b6d76ea6e08f0b659b7406. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMDA62203332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba939c1eb6f6347264fb63fa36f26433518669447b0597657476cf03ee8be9d6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM6N22471487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dd98ef32f5af0e8079935dfe80206b0c35919690702dfa38eceb35af9b1d92. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QM7282323171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31112856766f3223b5ffb8be62d3d8c1354e2f9a786e5775df2460624153fd07. 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/USUM72112133.