Nargiz may refer to: Nargeseh, also known as Nārgīz, a village in Dowreh Rural District, Chegeni District, Dowreh County, Lorestan Province, Iran Nargiz (opera), a 1935 opera by Muslim Magomayev
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 0x3933e8fa0fbad636f420139483b3b98b81d174b8a7d48af525fe2bfdef61013f. 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/82661931-aa3b-49d8-a3b8-58a3baf713c0.json and https://artists.proofprofile.net/proofs/artist/82661931-aa3b-49d8-a3b8-58a3baf713c0.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 0xadad64d9a20168a07303cf10f69127e3ab5e7ce203bd88ef8dbe7dfa0429b1ca. 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/USDJJ0600010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f7a385b689450bf246b2e84f48f3d2ba5d90b6e80be3b153680ed0321f6996. 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/USDJJ1112744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9c0561795f8101229eab380848b27e32dd9282452c0865b9c8491252db1760. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/QMPU51282462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461b28b35945491f363c07e62288d0864e715107551a30e162a0d32a18cd68dc. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/RUA1D1613875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946443be8446249fef3bd6e8d42ba3809c3fbbcb2cdb80ad65dc6dd4c9cb061f. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/RUA1D1613876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5095b33513fdb95a156d01abaf45b192da2cd2566c80a8dd2cd3c1a68abcb603. 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/RUA1D1613877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76eb1606b4a6e9acd89db0e0644f10182e5bec1468587aa6653ff9b7b55124c6. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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/RUA1D1613881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb920d53efe3e72e572d416ddef0747e8d04f6a720a521e228ef4819820f98d1. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/RUA1D1613882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04cf031fd14987bfa666ab7865b63b38b00b01727252f2b4eaa51dccfc628ef0. 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/RUA1D1613883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f0b5aba4a067fbf0158690ce89fbf81de1eb415f7ec3c9394be9637aeb4359e. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/RUA1D1613884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2ff3563b67277be566ac2cbd8cd9d62789f5f6b88a26ad39c2330b47df4c66. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/RUA1D1613887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9082ffd730edabe07126b2140e86575ca0a2679b84ea0a59cee3de9039b23802. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/FRX201912579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e713955bf3d4410b85d7ed0dfe54f25d3001bc9aea8be12f6a408c28e0802d7. 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/RUB422000314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3304c99ecf686b99d187d80ccafb3794ad7742519b6a45d7fdb72901e690e81. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T20:40:29Z), 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/RUB422001972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e67711fdbc5b8c9492ed0c9529a904780d040a1afc14b957f5dd5b4145c994. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/RUB422002259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb95178abe677678b2e6e2c6f9fbed47228df5242bf40ab645a138cfd9a29ef45. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-21T22:00:50Z), 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/RUB422103855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5477ab0320640b82db730bc20a9c44d864bc91c311bae5fa9b75cdfa9f74239. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/FRX762298004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9ed0f0500b201b5b39d04ff8a8308165239533c162c543f68883f0bbc1e87f2. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T09:14:08Z), 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/USDJJ1408282.
Песни Людмилы Гурченко в исполнении друзей
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e55d43c59ed0c8e1cd1ce4c6256c8fb65f7d83c94e1399014704c6993a5ff5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GBLPF0070904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168c8b78171c7a75938db81bb67578983ed51e601787c755960e319ff09cb4bc. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/USHM92115134.