Candida Thompson is a British violinist. Biography Thompson was born in Glasgow, Scotland. She has been living in Amsterdam since 1992. She studied with David Takeno at the Guildhall School of Musi
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 0x2f36b60f392b15829c924e8857a2f29605edd79c608886ce893e81fc1c8eabea. 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/7098af7c-8a94-491e-970a-6ab016a77634.json and https://artists.proofprofile.net/proofs/artist/7098af7c-8a94-491e-970a-6ab016a77634.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 0xefe5456181b7615a9a44bfe670134a05dbc284f969c2cb76ad6d39a535b4e4e0. 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/NLA460915413.
Concerto for Violin and Oboe in C Minor, BWV 1060R (Version for Two Violins): I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2222fb2d119fa1426820f7ed6cdd18e4551f3fcfce42dbb6ef07eea156932a40. 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/NLA460915417.
Concerto for Violin and Oboe in C Minor, BWV 1060R (Version for Two Violins): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b630a4b8e7d70c1fa6cfc0f90ec48221c2f037467add757ad163d10bf2eab94. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/NLA460915419.
Ich hatte viel Bekümmernis, BWV 21, Erster Teil: Sinfonia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57fd25e47081af795830474bb7d434a4cc6f921075318a4cb2ad0c035463c670. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLA460915411.
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 0x361b579c309a5464df2a761abdc353196e1833436d2aea3a3941be2743c4dd2e. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/NLA460915412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4218e38733e742adb954a84276392b1d0c05a073da922d2cce33362de26a02b3. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/NLA460915414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59d386a2ad9b16d91515159492551407df531ba66dfa7bee1d1b6bfab1966bf9. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLA460915415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78dd7af2a29da59b2cddc2cfa0a436665a7a677f13a97502f298174c9e4ff973. 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/NLA460915416.
Concerto for Violin and Oboe in C Minor, BWV 1060R (Version for Two Violins): II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7d81fa5be79ea79a2db3a758d85e32773653a578351abf1de5102373f86429. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/NLA460915418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc353bcfa466f25b842881ec414a8acda2ebdf7b42ea69c47fc876a9a2d34778f. 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/NLA460915420.
Violin Concerto in D, R.234 "L'inquietudine": 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b3b5d3d9e112f533398ff0d93d48cd73a41148f2fadd75627ca5b5c0e63891. 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/GBBBA0900600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7548be19108dcee5d442abaa8509ce4d70f6c65cdf85b381cb98f685674142cf. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEE471400257.
From Jewish Life, B. 55: II. Supplication
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b66e8edf3801c4d05759932e9c927c1ff3d36886fdd2b042a5d063a0632cda6. 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/DEE471400258.
From Jewish Life, B. 55: III. Jewish Song
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81056ee26fac50ad051eafcacfd6b6a91269183ed3a5bbf2ec2f55d7d51cb88. 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/DEE471400259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6879673c4c1b7b90702401481b82de8ec46c040cc45361cabd75417ae86f15d1. 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/DEE471400260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f55a0403515a16d6fbf5a7ad7cbf1536bd8e6af2314d181a9d21248ef74e18. 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/DEE471400261.
From Jewish Folk Poetry, Op. 79: III. Lullaby (Arr. for Cello and String Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab3a751d0097ed75478682982d0f974bbf8d4b883d0096014f33728b21814aec. 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/DEE471400263.