Jamal Aliyev (; born 2 September 1993) is an Azerbaijani cellist. In 2017 Aliyev made his solo debut at the BBC Proms with the BBC Concert Orchestra at the Royal Albert Hall—London live on radio and
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 0x4aa48af98ccd2cdf9fce9837a32462ad1c632a3b0a75d4b1fdf5db009b454165. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0805e369-228a-4624-a901-d3338451df91.json and https://artists.proofprofile.net/proofs/artist/0805e369-228a-4624-a901-d3338451df91.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Libertango (Arr. for Cello, Darbuka, and Tambourine by Jamal Aliyev)
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 0x7f841ac35b69974173aea426b3c7f817c3271d39c20c720542c7585b136bdac4. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/USX9P2058757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0181403577d59399a23132ca6cadd25c4082365208bf0189b38139f4a2fe02. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/USCGH2185077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bd6de21e50a43f2a1c763cdb9cd16991b93734a7e8e8ff11d3133f47b502cdb. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/USCGH2177931.
Adagio in G Minor (Arr. for Cello and Nai by Jamal Aliyev)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5386bd95b19e0142c0650315d94a90e48b2ce97091e67b2e67ee3689757cc930. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4TW2296317.
Por Una Cabeza (Arr. for Cello, Violin and Piano by Jamal Aliyev)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f659246496ba7e36ba6d068347ae7219583391c4856b7c339f5256aa9dba92a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4TW2296319.
Czardas (Arr. for Cello and Piano by Jamal Aliyev)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3128b1d3cc6841be537872d65c04689f651e71ceef61bb9608ee9378ebaa0e6d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QM4TW2296321.
Air on the G String (From Orchestral Suite No. 3 in D Major, BWV 1068) [Arr. for Cello by Jamal Aliyev]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc31a54bb84686101baa21218f76a72db8624b252c4fc28b811c2a75eeb99e3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QM4TW2296323.
Nocturne, No. 20 in C-Sharp Minor, Op. posth (Arr. for Cello and Qanun by Jamal Aliyev)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1851e7237278356f96c4aecd24262a9cf6a22cfaed0eaa5e5b651075281dde0. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QM4TW2296326.
The Swan (From the Carnival of the Animals, R. 125) [Arr. for Cello and Harp by Jamal Aliyev]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a02d6d9a6de4dcb19cb5f76c2fc805194783820f26a23d78ec25bc3f7bafc8e. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/QM4TW2296329.
Summer (Third Movement from The Four Seasons, RV 315) [Arr. for Cello and Violin by Jamal Aliyev]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01a77721a2875277e263047c8dff451dc161f2e46a4f279572d94ce170b47705. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QM4TW2296330.
Waltz No. 2 (From Jazz Suite No. 2, Op. 99a) [Arr. for Cello, Piano and Darbuqa by Jamal Aliyev]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd5fa73020751f27319e8e359d780a129913eacf1dba10fe04ae729ff63aa09. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T18:52:49Z), 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/QM4TW2296328.
I Met You (Arr. For Cello and Piano by Jamal Aliyev)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d6ffe9f4e98d10493fd7fb1224f52761dd75e3d67deadbd0b16c8749ee3062. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T10:07:23Z), 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/QM6N22384368.
The Armed Man (Ensemble Version): XII. Benedictus
Karl Jenkins: The Armed Man (Ensemble Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e0277f60b5c0aa6219430c7a8ecce092513d8851a3f0bcb8b4147136880210. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBLLH2477912.
Concerto for cello and orchestra no. 1 in A Minor, Op. 14 in E Flat Major, TrV 291: I. Allegro con brio
Cello Concerto No. 1; Symphony Op. 20; Ballad; Romance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3709e8a5ad73d623473ae0cf8c1a3e21e58d172320a6b58f7a263a585d63241f. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEB262300021.
Concerto for cello and orchestra no. 1 in A Minor, Op. 14: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a9968cf167daf96ef47ce478d60132a502e29d7e7793838df0ebac27f55b11. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEB262300022.
Concerto for cello and orchestra no. 1 in A Minor, Op. 14: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3be92c2008f5c3008e50c000b628fceedfe62224050887580fa69c966710c821. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEB262300023.
The Armed Man (Ensemble Version): Benedictus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e0277f60b5c0aa6219430c7a8ecce092513d8851a3f0bcb8b4147136880210. 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/GBLLH2477912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f17cc6b9c3182224a775616959ec5236b89dfb50d03a35bff865f7d1388364a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM4TX2324867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29818765775ede2f25a6263831105b9cf24d2f36cb1d08750cb62f7bc2b28dcf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4TX2324868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6c7a633f63f1326aee4672ad0e6049882796ca07cdcb6c50f42a97af812842. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QM4TX2324865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ebf0bac38b179ab0d6282e8d5a95fa06e6184378e0ae29e03041a5d040a403b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4TX2324866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b44fa9ec2da56f8f57960f6eeb55627611230b906eae865fbb0daa967b24114. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/DEB262300024.
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 0x278eb78084f05f357fb12ecdf53524c0da7b4b6f83935754d7a9ca8e337497b7. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/DEB262300025.
Lascia Ch’io Pianga (From Rinaldo, HWV 7) [Arr. for Cello by Jamal Aliyev]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f69acce55c2063c53bd1186bf55e29e3f13ec73c95adaee75b69dfdb19fe956. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QM4TW2296322.