Zurab Ivanes dze Anjaparidze (April 12, 1928April 12, 1997) was a Soviet and Georgian tenor. He was granted the title of People's Artist of the USSR in 1966.Tenore Zurab Andjaparidze Notes Reference
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 0x4f92de75f4f9ad1f9c5be55b0f48ed075fa1e3e170ff9fb2b08f9e5ab82e7ef4. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/973b4e7d-f557-43e8-bb45-41d01e140983.json and https://artists.proofprofile.net/proofs/artist/973b4e7d-f557-43e8-bb45-41d01e140983.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zurab Anjaparidze. Arias & Scenes from Operas
The Queen of Spades, Op. 68, Act I Scene 1: Scene and Herman's Arioso "Ya imeni eyo ne znayu"
Tchaikovsky: The Queen of Spades, Op. 68
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 0xc67fb5a43ad258147df0e31f5693460f3f5cbc538ec776ed5de0c4921287517d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/UK2Y21800850.
The Queen of Spades, Op. 68, Act I Scene 2: Final Scene "Ostanovites!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9704174e3a7416b83bf4127e62cd30aa76237484481120bbbd5348fd6f797ec2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/UK2Y21800866.
The Queen of Spades, Op. 68, Act II Scene 3: Scene "Posle predstavleniya zhdite menya v zale"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5610e2e2c7491c50a445bacf174ae81605de33920440b9597e021e6901385ae9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/UK2Y21800875.
The Queen of Spades, Op. 68, Act II Scene 3: Final Scene "Kto pylko i strastno lyubya"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4073c967ae0aabaed556a89a4bca7d00b105e24cddbd9310d7d01e11e79d2923. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/UK2Y21800880.
The Queen of Spades, Op. 68, Act III Scene 5: Scene "Mne strashno"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0865a058a41ef2d32036f2334fc16ae1d67dd0aa090b12e9a53945bae9ba812c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/UK2Y21800888.
The Queen of Spades, Op. 68, Act I Scene 1: Scene and Herman's Arioso "Chem konchilas vchera igra?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa38c55692290084b2b19aae7f8018799a2b41561daf30f98c12b0a6f934a0698. 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/UK2Y21800849.
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
The Queen of Spades, Op. 68, Act I Scene 1: Scene and Herman's Arioso "A, yesli tak, skorei za delo"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57af4d9cfe7393a89dab7d81d8c87911b7427f35591414151aed05565f8a9c7d. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/UK2Y21800851.
The Queen of Spades, Op. 68, Act I Scene 1: Scene "A ty uvern, chto ona tebya ne zamechaet?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58790f1987268c7b3b2fd2141de1821779f631cc1ec43c7d3b71f2bcb2c87bab. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/UK2Y21800853.
The Queen of Spades, Op. 68, Act I Scene 1: Duet and Scene "Schastlivy den"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5462f70ee7861246fe92a32db38ee8b1c427a5b15a5b242fd65bcc17ff4abc15. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/UK2Y21800854.
The Queen of Spades, Op. 68, Act I Scene 1: Quintet and Scene "Mne strashno!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67aa7b33edd54984d80931a6bba6f89e8e576ffae3bd6cee23a7f004b235d466. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/UK2Y21800855.
The Queen of Spades, Op. 68, Act I Scene 1: Final Scene "Se non e vero"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5ab82e408170983410e488bdaa5237190e6cb282cb61ca9523c547356b05e2. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/UK2Y21800858.
The Queen of Spades, Op. 68, Act I Scene 2: Final Scene "Kto, strastno lyubya, pridyot"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1a2e75258afbfd42026ecb3fa8819634a8646bb40613e3ef0477f6ed778a47. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/UK2Y21800869.
The Queen of Spades, Op. 68, Act I Scene 2: Final Scene "O, poshchadi menya"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc1d12a1d23bf85bd1b3575b325d01fbbaaf20ccb931b9eacf0b1acc54b2287. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/UK2Y21800870.
The Queen of Spades, Op. 68, Act II Scene 4: Scene "Vsyo tak, kak mne ona skazala"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ef777e973546c67254aafb1cbffb3569023af765bc5a5e2c44b5670a12b4c6. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/UK2Y21800881.
The Queen of Spades, Op. 68, Act II Scene 4: Scene and Chorus "Shagi!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x749a1b7e5d69d9cdc9826b31c64bd55b19820ff3db2e18076b1e38f9dcf2c007. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/UK2Y21800882.
The Queen of Spades, Op. 68, Act II Scene 4: Final Scene "Ne pugaytes"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e99d01d96fa3e91d8f602e8426622a4a6e6c289db04ca488842dff0cc8aaab. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/UK2Y21800885.
The Queen of Spades, Op. 68, Act II Scene 4: Final Scene "Ona mertva!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2010ba0fcb8200bd2e0b563dd01d9000c815d79a3900727475c48086b750e12f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/UK2Y21800886.
The Queen of Spades, Op. 68, Act III Scene 5: Entracte and Scene "Ya ne veryu"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ac61b5e35a279a22d5e26b4a22edf9dca77a1e76271513486c8312dab09b60a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/UK2Y21800887.