Nessi is a surname. Notable people with the surname include: Antonio Nessi, Italian engraver, painter and photographer Giuseppe Nessi, Italian opera singer Lino Nessi, Paraguayan footballer Marzio
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 0x828089d4d064323fa1bb2ec4167220cb9c6ca9766bd0a37480c250750c583cfb. 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/31e746e2-8d3e-45d7-ae94-de0065272985.json and https://artists.proofprofile.net/proofs/artist/31e746e2-8d3e-45d7-ae94-de0065272985.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 0x184eeac33f135b5ed74d3ce9d35ad525ab4bf27e7daf84f086e031d223b1822b. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZFZ52197338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55853fe3037d61a848822dc9d4a06aaeed4b8d791fec6d0e5421f77fe65236e2. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZFZ52197340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb061924204c0fac09ed7c944efcdcd9973d08ac73b5778a2c3e0a68e7e678f1. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/UKXN22210827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc270b8ae939a2efda4fc1a91fb204f1f117cf64340f6fc4861612113afa73d1a. 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/UKXN22210828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91b1d833daedc80f63a50081e78d9c9c69862b94f11726a148308bfff7621e0. 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/QZHN72119439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a1e4df4f529c9d8954d527dc41800f2b9b1b51b3b9e2d3c09ff517234ce348a. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZK6P2140773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217e64071d0071576ceb11bd199dec5a105d6e43a9f8a2f95dcc999c64e4693b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZK6F2178047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d1008470e7b40fa9bad734f2198c0387a55a2d420d66d1b2d1346235c3b1b3. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZNWX2190455.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53baac70e06dc4833b1e43f60792067c3d652e5b6f67bd3e8c8b7dee881f1240. 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/QZFZ72215285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2030acaf9a1a86eab1aca27e9c1872e6d7edcfd43fa4b893ed9a35b21be0fc4e. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:23:38Z), 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/UKXN22257474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4890b305a3f2e23c5efa3f923d97a6c473759a030881c52fad68aedcb786b1. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/UKXN22257475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac138e4de097f4d91a2df40c2a4b36b75d5b1ec7897c2f6b90963bc27d7c4fb0. 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/GX3Q92376028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94646aca342277c62d1bb244048a760c0b8ce44f4c78a8dbfbbbf72a922a4b0e. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBLFP2419233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b09698fc2c51aa7b390b8238c6e7acb0936b5f955c6e822251e1d204357b5e1. Chain 2 (Bitcoin): anchored in block 957596 (2026-07-11T18:43:56Z), 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/FIK2Q2400061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda8c05b6efd5990063af792bb8f6785a44619b3b078cfb1ed58f916752499e46. Chain 2 (Bitcoin): anchored in block 957595 (2026-07-11T18:26:17Z), 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/FIK2Q2500005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a45b35e6b617cf93dd477bfbc908a18f87a858a9fea126ad9e79ed8a77444d. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:02:09Z), 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/FIK2Q2500044.