Jonathan Mark Webb (born 24 August 1963 in London, England) is a specialist knee surgeon and former English rugby union fullback. Webb played for the England national team from 1987 to 1993, reaching
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 0x4bbae8b35f6b34e2e3868dd413156a669110482460df9dd648f707977a7f90e3. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9d21a87-3772-436d-b6d6-8627f3740d24.json and https://artists.proofprofile.net/proofs/artist/e9d21a87-3772-436d-b6d6-8627f3740d24.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Archivi del Teatro Carlo Felice, vol. 8; Jonathan Webb dirige Bernstein, Gershwin, Rachmaninov & Britten
Clarinet Concerto No. 5 in D Major, MWV6/36: I. Allegro
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 0x8cd8e8478f2eab510b786ef098e68ae7d2a9532ae4da53d89e32312d882a0f80. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), 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/NLY330725411.
Clarinet Concerto No. 5 in D Major, MWV6/36: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e2ee6cf9e4398bbae141bf8d5940c885a994a5e588702f54f1dd21a7bf057d8. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/NLY330725412.
Clarinet Concerto No. 5 in D Major, MWV6/36: III. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32db216d49dfbccb96b44348f47830d2648d90d7798e3c55d94ab3e672ebc8b. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLY330725413.
Clarinet Concerto No. 1 in A Major, MWV6/41: I. Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ab410f67f0815c96e8e940e6cfa2f0ad583f6a6419d5a5a7750ec78292c770c. 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/NLY330725414.
Clarinet Concerto No. 1 in A Major, MWV6/41: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf00535d685f088201534623db660c4eaf7d442a8708ad71d0642a630f21cb70f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY330725415.
Clarinet Concerto No. 1 in A Major, MWV6/41: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6826fba3069a408e8d862069f57903b6193fc8da031655fa76097395b87c1584. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLY330725416.
Clarinet Concerto No. 2 in D Major, MWV6/38: I. Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c661bb9d36ac0fb6aff49eecd25f8f60ba08a602afad54ab1b5b0d3137a5a78. 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/NLY330725417.
Clarinet Concerto No. 2 in D Major, MWV6/38: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x677cc3e90990d2b7ee183137576931e31c4fd7176c6811a48bb862046a145e4f. 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/NLY330725418.
Clarinet Concerto No. 2 in D Major, MWV6/38: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x578c2c29e2b97cfa3304b7aae7c3606259d477516466470d789818931f2975c1. 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/NLY330725419.
Clarinet Concerto No. 4 in D Major, MWV6/39: I. Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe034b684bf3d813ff7723526a0945582b4623678d775c010d3164aefee2e800a. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLY330725423.
Concerto No. 1 in C Minor, Op. 26: I. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be34c7345d8a0524bca0ac1ae5f68f03f6c50a577d4c3f4b8e77419971298b5. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331400227.
Concerto No. 1 in C Minor, Op. 26: II Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x330ca19835df698378662723929c420d59c0ef962ad0aa407abfcd45a15f9232. 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/NLY331400228.
Concerto No. 1 in C Minor, Op. 26: III. Rondo. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0854c0b170a879f5ec3f41672f9586611a3ac0296b785dd8d21682e39b5a9ba9. 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/NLY331400229.
Concerto No. 4 in C Minor: I. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3b3d74401b9c51c2a0d28b87e494ed6c1ea6a99fd6d7e8ca43d904f3769338. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/NLY331400230.
Concerto No. 2 in E-Flat Major, Op. 57: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46733b9b3c0aa6afe36e211c3bd240beb7c8fc82789b04b00698ca931887bd62. 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/NLY331400233.
Concerto No. 2 in E-Flat Major, Op. 57: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6723eb62540ac68059af685d9355bfcf98d9b03f0658bd1cf8c3d8b34085583. 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/NLY331400234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34166902070ea3f874de95b427cddd12bf671f8a2b98ab16272af18a1f6447d. 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/NLY331805039.
Clarinet Concerto No. 1 in F Minor, Op. 73: II. Adagio ma non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8c17dd9f056e85167976d230424754feeb491d324144fc54dca8d82428fab8. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/NLY331805041.
Peaceful Clarinet: The Romantic Collection
Archivi del Teatro Carlo Felice, volume 29; Jonathan Webb conducts 20th Century English Symphonic Works
Sonata for Clarinet & Piano in G Minor, Op. 29: II. Adagio con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c99b4ac9fc5ee1151fb7751f1a84f3bd9ea348588da137848e0412bf377f935. 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/NLN580592913.
Clarinet Sonata in F Minor, Op. 120 No. 1: II. Andante un poco adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a923792e716c4531d1e92cd3f72f670a478380aecef1ebcf42810fee8ff064. 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/NLN580579911.
Suite, BV 88, Op. 10: III. Elegia in E-Flat Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c55524025d3c632f2fbe7d49695c9266c9898d8c2e3d9edf85f64dd9f21e0e5. 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/NLY331505146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a64f7d5ab167f73508ac620c86e94ab8f605d22c9299dd9553e228a329dfaed. 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/NLY331505161.