Dame Imogen Cooper, (born 28 August 1949) is an English pianist. Biography Cooper was born in North London, daughter of the musicologist Martin du Pré Cooper and artist Mary Stewart. She grew up s
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 0x5429768b52b280d860bd61dfb9dd1bf665ad015736c5f45a047def86552a4bd4. 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/dfddb39f-3ef9-4b71-a612-4438ac240f4a.json and https://artists.proofprofile.net/proofs/artist/dfddb39f-3ef9-4b71-a612-4438ac240f4a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart: The Piano Concertos (12 CDs, Vol.7 of 45)
Mozart: Piano Concertos Nos. 23 & 9 'Jeunehomme'
Piano Concerto No. 23 in A Major, K488: II. Adagio
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 0xea1a24ebafa28368fa4dfa3a33a9737a5b01703e1e379ebfb242a3c5bed3042a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBELX0601705.
Cello Sonata in G Minor, Op 19: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf55d787481ca77c0f0a31e6afef3714b389717043b0812086112b7003587c2. 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/FRZ050200096.
Piano Concerto No. 27 in B-Flat Major K. 595: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f603b6eb993776182b90123886915b6dddd14b7cc9d282cc5e9adafecb3a7ab. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/AUAB01350067.
Piano Concerto No. 27 in B-Flat Major K. 595: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe21a93bf0df0b42e6128396201ed37fc177b68945d730322cd7d217791e6d269. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/AUAB01350068.
Piano Concerto No. 27 in B-Flat Major K. 595: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9b2ad336662c17467e4377fd31f8d0833645a0a4c21a445fdd37629287ce9b. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/AUAB01350069.
Je n'aime toujours pas le classique, mais ça j'aime bien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f8c344eb55d0b6e0843a0f26ff6e1ea66de01f40c2bc07ed4ba2ac5bc9b178d. 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/FRZ050200103.
Ich mag immer noch keine Klassik, aber das gefällt mir gut!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f8c344eb55d0b6e0843a0f26ff6e1ea66de01f40c2bc07ed4ba2ac5bc9b178d. 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/FRZ050200103.
Piano Trio No. 2 in E-flat Major, D.929, Op. 100: II. Andante con moto
Je n'aime pas le classique, mais avec Gaspard Proust j'aime bien !
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe7e36527f9b379642701af85dd0225dab3fe164d2286225cbca82c1c64c3ef5. 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/FRZ059804750.
Violoncelle Apaisant (Musique Classique)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34284aedf6fcfc8ed88feb972c13bf8aaa4d36ab21a5c204cafc0f333c77707b. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/FRZ050200098.
Sonata for Arpeggione and Piano in A Minor, D.821: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3cbc74d2ad107aec416fb60441866e6302ec21cff9aa4b1c299fc8098dd11d2. 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/FRZ059804790.
Concerto for 2 Pianos in E-Flat Major, K. 365: III. Rondo. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69571b078ec595935a2ca45a4d45e31a018801d49827997582d88f2c3e9dffd6. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/NLA507604006.