Andrew Litton (born May 16, 1959, New York City) is an American orchestral conductor. Litton is a graduate of The Fieldston School. Biography He studied piano with Nadia Reisenberg and conducting
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 0xdb3be1d8e06ecef8dd8bea39f753b0ffbec2b138fe72fbbe49675b94aadfda85. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/510a5fb3-a480-4a00-ada4-f950b8526317.json and https://artists.proofprofile.net/proofs/artist/510a5fb3-a480-4a00-ada4-f950b8526317.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Medtner: Piano Concerto No. 3, Op. 60 - Scriabin: Piano Concerto, Op. 20
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 0xd16a7ad098eb6133f0b3db6d684a25eaca1a325e7437b6c87c06a08d8c5cb8ad. 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/HKI192419801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbef2e0ab60bb0e21197e94bbd2e283a54771550f89c9a12b6bb55f6c52c2f57. 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/HKI192419802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c19f2f816d03d3d1603667bec155464fa6147f0083c5da6d319463bbe0554bb. 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/HKI192419804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0aef2329d59cb6751b0b52e0efa83521c18a761dcc8b63abea2b01395a4822b. 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/HKI192419803.
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 0x0fe671c4953752c4d64b06f693abcf8dfcf20b13a3d8e11be584ab37b120746b. 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/HKI192419805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x889e5318f24afb09a4b55ec248d4aefbdcf4f8a9e5f99dc9e431745d6422bd9e. 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/HKI192419807.
40 Tracks for 40 Years: Delos' 40th Anniversary Celebration!
Korngold, E.W.: Sinfonietta, Op. 5 / Violin Concerto, Op. 35
Ives: Symphony No. 1; Symphony No. 4; Central Park in the Dark
Rachmaninoff: Piano Concertos 1-4; Paganini Rhapsody
Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4145dc41361f366ef66170a42271bbbc9c4302528da2c2073b1c9dce04e3785f. 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/GBAJY0450201.
Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f5a2943bafb1731ee305f8089c4531fb1121b1604bc4fadbee159ca23614111. 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/GBAJY0450102.
Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff0866e6806e11e4e9e9d64045e5e14deb9ee7821128f27c851dd8ae01753d4. 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/GBAJY0450203.
Piano Concerto No. 4 in G Minor, Op. 40: III. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f182fbfcd5a890dc3202c07b623f261b799812933e203f18f3937fe564ef29c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBAJY0450106.
Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea0259e056494c92e12265f0197804a602dda5c9633c187f9bcf1b030ca0d0f. 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/GBAJY0450206.
Rhapsody on a Theme of Paganini, Op. 43: Var. 11. Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad32376e6822389255882957d58d54bde62f1b54370a8e4653e11d095abc786d. 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/GBAJY0450119.
Rhapsody on a Theme of Paganini, Op. 43: Var. 15. Più vivo scherzando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d59e5e528b72d145593e24dc60f27c4f3be7574b796be9a01231dc4ae662cc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBAJY0450123.
Rhapsody on a Theme of Paganini, Op. 43: Var. 20. Un poco più vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4f71d08db3e162f08c2d4c0df68671643bdfb84fecb29d5699f0d656f1b8f07. 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/GBAJY0450128.
Piano Concerto No. 1 in F-Sharp Minor, Op. 1: I. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27d64f0a08b172d4b804c416af9d398c82e0d3921c391120fb90d9ff698c1a6. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBAJY0450101.
Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d4387f4bca67831f78d0addf6f89f2530857e73ce77d4d8c8683be1fbb46ca1. 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/GBAJY0450202.
Piano Concerto No. 1 in F-Sharp Minor, Op. 1: III. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x269489eeb2ae5083f60725465f764d8602aa93e3957f45dfc17a12041358fc30. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/GBAJY0450103.
Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5abb2ea773769b8d49657ca692054c397250f4815324b7fdc22a2e0d4edd020. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBAJY0450104.
Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac460bc929696e052bdcee76a4d532446a944671d9d84b29ea054f63ca4feeb0. 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/GBAJY0450204.
Piano Concerto No. 4 in G Minor, Op. 40: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed6060093c786c9c7fa89880af7d2a0145f28eb90a18f58df1252b7aec93613. 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/GBAJY0450105.
Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio –
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a6b3a1bcca0797a848d00acd6c274f3f1b6200848d90e1db018daed2d8ffd5. 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/GBAJY0450205.
Rhapsody on a Theme of Paganini, Op. 43: Var. 6. L’istesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25cdd1d198e1adb33eed760ec16ad49227af62d89cb132e50411263f508dc10f. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBAJY0450114.
Rhapsody on a Theme of Paganini, Op. 43: Var. 7. Meno messo, a tempo moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322fba9599443f3cf332159bf40f8036deb917ae1fb216633bf6f0caf3b3bd55. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBAJY0450115.
Rhapsody on a Theme of Paganini, Op. 43: Var. 8. Tempo I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0974534cb2648838ca8378edaf8a5e27b95d3ffdaedb3c77b514e825d1dfb3d5. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBAJY0450116.
Rhapsody on a Theme of Paganini, Op. 43: Var. 12. Tempo di minuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27eedba63a622263c30bb37eb92bfd70565bd1a074c89b83b264c924401de5d. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/GBAJY0450120.
Rhapsody on a Theme of Paganini, Op. 43: Var. 14. L’istesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea6f29ef7644ab82f1882c24f243039a4bdafe74d423e6b714ab98381069c365. 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/GBAJY0450122.
Rhapsody on a Theme of Paganini, Op. 43: Var. 16. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd757b48881584b3da0d01c48d8dca8599a89585f96fafa7e6d4e5c249eb34cd5. 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/GBAJY0450124.
Rhapsody on a Theme of Paganini, Op. 43: Var. 18. Andante cantabile "The 18th Variation"
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Rhapsody on a Theme of Paganini, Op. 43: Var. 22. Un poco più vivo (alla breve)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x537b4e63aad1d73a5eb898f881f1d514fd261e05c7f24db83ef07fcb58db086e. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/GBAJY0450130.
Rhapsody on a Theme of Paganini, Op. 43: Var. 23. L’istesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1718a6fde05ef7cc7070e156c8f553aeba2e2966c1ab2342a5ce2ce374590b70. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/GBAJY0450131.
Rhapsody on a Theme of Paganini, Op. 43: Var. 24. A tempo un poco meno messo
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MacDowell: Piano Concerto No. 2 - Liszt: Piano Concertos Nos. 1 & 2
Romance for Violin and Orchestra in F Minor, Op. 11
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa00176fe893f7cf4b1e9b375611cddd500cf56655c6cf03136212cf565b8aeb9. 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/GBF079110003.
Concert Suite from "Henry V": Touch her soft lips, and part
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Romeo and Juliet, Op. 64ter: I. Montagues and Capulets
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8daa2cdbfc36a1cb39c4592a6819219d998e2b147c5b3fcb5a927b4ca792fd19. 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/USBC19300122.
Symphony No. 6 in B Minor, Op. 74 'Pathétique': I. Adagio - Allegro con troppo
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3cb0c12fd21331750e3f9133ea40e8f1c19e4e9c5722b2e1e898fa1aceca00. 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/SEAES1174280.