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 0x28cedcd985a39eded78f44f169d51d25036da334c3e5613fe28c44102514f684. 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/53fc9f95-b7a5-4926-acec-5530534e2b3e.json and https://artists.proofprofile.net/proofs/artist/53fc9f95-b7a5-4926-acec-5530534e2b3e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ФСКН (Феерия смыслов в куплетах и нотах)
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 0xde446bd06c930f943f9abe4a3601fe23f3c18c0e52693deb9331fa8e24669d23. 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/RUAGT2377973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c5d34bbcc03a33eb03e36420ba135f15f93dccd755f774c65658dae8aab43d2. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/RUAGT2377977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ec02380c3e9bbaa775e61db261e38fa17018d6fc3bc0e31014755b37a24b261. Chain 2 (Bitcoin): anchored in block 959018 (2026-07-21T14:12:28Z), 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/RUAGT2377978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499fbe495e78d07321223411a30c41ad6a11d5305a61dd4a87bc636e22f1e432. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T16:58:47Z), 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/RUAGT2371157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac952e04752f9caa027060d921fe53743d05ba17f0ee5153ac6eb6f127b6bd03. 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/QZMZ92033171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e636d560f7aa4ebd4bf9660ce29c25d2d3889e210bebb7630fb37af29b5cc49. 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/RUAGT2372494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe0118d1c2ec52fe606b8fef82cbfdabb060c55d618d2faa71a2851a94a81d19. 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/RUAGT2371225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x059410f679e9b7197aa698e95ddc0427d24717f6a298d32095958c15c96ab970. 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/QZMZ92035259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c383dff8f534574ab87161b9eeb734b926763232d895091a9cc9286c9befae1. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/QZMZ92036582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x935b54cee40ba7fe1fedd3853c064053aa9652873737628c02339f1318636663. 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/RUAGT2366599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x993c69e8e0badd08bc32abb06b9c6aadcbdb3a538655a173d542f4a29c90d015. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/RUAGT2366600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06807d7df9b6959080f49015794902cede46f827309d44e632361b8e81df317. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/RUAGT2366604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b7d13b4e1535a905a83486d70836af8650c113846fb92d476a32feb1115b14. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/RUAGT2366606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f923f6b744d080948c67678e370288c2271a100c6f6265f7862a9b621af9aa6. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/RUAGT2368420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5871866e145eed812891fe8ce7720d7f98aea21a261eb7e6ba9260b51c89555d. 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/RUAGT2368426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa757cf2f53484fecc7afda0d5b04e2ed96b3e27984dae933992ea84f7bbf6fc3. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/RUAGT2369768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50873b68101755565faa0242cd765514dcbe96b001d1ec09a0eaebc1745d7732. 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/RUA1D2458915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cbef3586ae702ed729c368b6ece8582b07b76a75774510072fbda5702a677ff. Chain 2 (Bitcoin): anchored in block 958963 (2026-07-21T04:02:02Z), 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/RUA1D2458916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3363597286193fa7c85c56ef84ee91237a2316e6a0119f05aad5e867a98d57a9. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/RUA1D2458917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc515e8796cdd58052b789c519d0d216f1521c462d102a5b9bc158b629a2a4589. 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/RUA1D2509910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ede2aa7c32bc38aed3f4583dddb33cdfe1b6d3e78fe3a65073c356a2d247c4. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/RUAGT2568431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6c58b81070aecb4a7473fce8584422842723099a5bd7d1e22144a961a2bf098. 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/RUAGT2568432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3896714d8935cbd2c07a1073e73a5575b400df17530acf2073ebcfe8377c964. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/RUAGT2558609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b6fe0f1b0ce1c4708cbeba983c45f5210a844b5ba84deda6748adfc57ca8d91. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/RUAGT2568433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd20c4cd9afd7fd2233b66c8eb8c063960137cada71aa671edf7eebdfc002b37d. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/RUAGT2568435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b673821932aa08b8369bb4479229a53a3317dbb752fc80b31e2b5e58fc5bf9. 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/RUAGT2568436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x726da407b045d0d8a22aeb1b84a098444242c294937dd4af008e14e417f04b37. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/RUAGT2568437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa578792955ed8ee3f02d16339f7c669ec08c19337d288e9918ec64cc59b2141d. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/RUAGT2568438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee8c116180e3758f82f57e7bb6bdf52187aad728c9f5c9c523ae56d978d04955. 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/RUAGT2568439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2676937ad64ca64aa8297d5f22f721d1def894da49d5e94e77d03e56e3558f9b. 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/RUAGT2568440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a1de8be19617ee82936ced2daf749fe4d3053df03749b79a9c9a40457ab75b. 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/RUAGT2568441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa138502a2a403c916fce41eadec3cf47e7a058c43c5914b1b9cdeb06839d4c88. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/RUAGT2568442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d1b34b8f404974a1093289ef4dd4d83b75613d6150ebe446a8a2c6024b603d. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/RUAGT2568443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626a06c6b5ca1b878a0d813f02319842664968b96cafc44ebbc9d5b4599337c3. 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/RUAGT2568444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3316e418cb48831cab8da7bd71e174f9c49212757b1686f6d3c8ef15eda89c33. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/RUAGT2568445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb20c8ca409a52d15d1b097ec1139979b6a8cc947587d4dac16ac5e833787053a. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/RUAGT2568446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x832b16d8b6881fd56ad3dbf7f425ff62aa75cd2cfa004dea2dd8ef892cfb594a. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/RUAGT2568447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826398071c86eaf5ca0689cdb781d0b6e005888849e768998c898786ce23c598. 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/TCADB1724843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c9f43469b438a1f9c994f572fc47a074730e62010a559f6798b606a95e2aa3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR10S1906200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e1a95e62c7d7e9dbb4e5ba4f5d1d71d3a22f2248d22f66e725208c1a309a6b. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/FR10S1920594.