Alexander Nikolaevich Buinov (, born 24 March 1950) is a Russian singer, songwriter and keyboardist. He is best known for his tenure with Vesyolye Rebyata between 1973 and 1989, before starting his so
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 0x76b19602c399544029248a08501b51875d8c3f460538f746e9e875a7063165d4. 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/b839ed46-acc7-4aff-82b9-f1b54f174ca6.json and https://artists.proofprofile.net/proofs/artist/b839ed46-acc7-4aff-82b9-f1b54f174ca6.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 0xdef6a9ec7bc89de823b8492c9ea9c90ccfc5d905796f2351ce9241190f965f34. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:06:13Z), 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/RUB731425056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5372ea210c9d9b1d8467d53c6f147c18f9b2ec6dbfdcc02fe4ab9cd788e15175. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/RUB731522294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79dc7f85933bfb37c7b0bf3fc62e6109489b2334086d0e83c2987d2a968f6f19. 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/RUB731522362.
Люди встречаются (Live at Laima Rendezvous)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06f4c4f06e27153af4786197440c439ed723cd77c78eb2ef297499039879d87. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/RUB731516285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd6340828495004b51ccc77127584ada99b6c8014d68a714a3218b8a72574549. 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/RUB731522472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a166f8c8403861674dfb59e1bad5d8714a4aff773b1f264ebb385a4a131e7da. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:02:47Z), 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/RUB731522474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1b6a5ac4bd6865cd5fb883ccd5c350479edf3479cc449fc3a67bf2b9320b60. 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/RUB731522466.
Утонувшее небо (Песни поэта Михаила Гуцериева)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4565c6c4d2c0302fe8c1b1c472f8da497a910b8d0a82daf034e2e55c7f3c6d1. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/FR6V81647922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4246dc95c2d40789811ae6ff0b0f50ca836783a43d9e8dc1ff714608ca961fd8. 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/RUB731579276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fdeac388131320b9d5140859b8e303c712ff6ad19e5f1dddb0dc67b1fdc64f. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/FRX762437509.
Давай-наяривай (Любэ 35. Всё опять начинается. Трибьют)
Артист (Юбилейный концерт в Crocus City Hall)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792141c723344c2ac8e5a61c5e6ed9452b4714e08ca99461ba683be06f23f162. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/RUB731577668.