Zuta may refer to: People Audrius Žuta (born 1969), Lithuanian footballer Jack Zuta (1888–1930), American mobster Leonard Zuta (born 1992), Macedonian footballer Places Zuta, Georgia, unincorporated
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 0xcf84b24bc84441dee3853158ef406ba636be933d8d0ff5f26448c00270b0d678. 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/7ddcd421-492c-43c6-bd8e-7d3a1e3e852c.json and https://artists.proofprofile.net/proofs/artist/7ddcd421-492c-43c6-bd8e-7d3a1e3e852c.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 0x764c18ad583513e3cc8201f2a092a7c0f471cc27ec0e76cd0aebcdbb64db6bc9. 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/PLA812280033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5b00aa7d7118d68cd8f916239506b9f241b46e936fc70de23f4105e2e6d479f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/PLC592400021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7056e864b60cc49126805b575814f7c9073f3c2631af0b79f545a3f9576b3f5. 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/PLC592400022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fd90802d6d9135269e10969801fbcc8759b5b1938f9e8c2e78539ade2daebb. 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/PLC592300315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0fec96a290a788c36853c49a36f19b0f7125aaa8063c2d4e02de7f4f35dfc73. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T00:53:33Z), 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/PLC592300140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24954243169d4feae21ffe4f30993546defd51812e09162d8614cbace9a7d1bc. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/PLC592400023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716de6d372e219e3acb2c72bcd7017643612777b161436a4cfb8f39c75ac5146. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/PLC592400186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb3a6f70a6920c045b53417b678c487ae896489b699d165a5d13ec548e8614e. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/PLC592400158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef638676f0467096e4e43233a14eb05be5aa5ee8245dc0eedd2746f6c1131eb3. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/PLC592400063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04b9a877181a1cae2a6aa23cff807c9781fae02fd8d541ec59b8c51436289c0. 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/PLC592400061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef638676f0467096e4e43233a14eb05be5aa5ee8245dc0eedd2746f6c1131eb3. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/PLC592400063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3d4f2f4940fc09d441846fc28490a3d90483752084be94a86627eadd32546a. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/PLC592500103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb3a6f70a6920c045b53417b678c487ae896489b699d165a5d13ec548e8614e. 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/PLC592400158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d8448361fac2ebd62ab801237b8a2cded454621d8c80bf27fef4afacf4e590f. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), 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/PLC592500094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f89cc7d1ae090b89cea03d0d07c5d18f922de869f9fc0e4771c13f86bf282f6. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/PLC592400060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ff02cf651f4cd548eea8bf6c833bd346da28ef08d2591a6b2fc372d658a958. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/PLC592500105.