Pinchas Zukerman (; born 16 July 1948) is an Israeli-American violinist, violist and conductor. Life and career thumb|Zukerman in 1980 Zukerman was born in Tel Aviv, to Jewish parents and Holocaust 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ead8c49f4ddd5b54bbf8e7a00c3302dd1aa007e7761347f812d0f2b0bf2135f. 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/1faf64b4-3db1-4427-9398-3c6a331ca46c.json and https://artists.proofprofile.net/proofs/artist/1faf64b4-3db1-4427-9398-3c6a331ca46c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart For The Morning Commute - A Lively Bit Of Traveling Music
Beethoven: Piano Trios Nos. 4 & 5 and Cello Sonatas Nos. 3 & 5
Beethoven: Violin Sonatas 7 - 10 & Tchaikovsky: Piano Trio
The Four Seasons - Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio - Presto
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 0x3aecd52adc7d1d9cf63bae0486f3be095dd64fc9dd63a43f7d47b83a2ae940af. 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/USSM17200196.
The Four Seasons - Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e280294bddf8df30f6e58f2f4899197f293c21ccec451e1e6fe858ea876339. 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/USSM17200197.
Concerto for Violin, Strings and Harpsichord in D Major, RV 209: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f77c58d07bc8843878430f55725f0dcbd410c126de70ffe78382f4b1a457c54. 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/USBC19200750.
Concerto for Violin, Strings and Harpsichord in D Major, RV 209: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc60d228ef5f01e5d446ac1687cd48cfdd3227038da2bb667a32028ea500f3ec. 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/USBC19200752.
Violin Concerto in B-Flat Major, RV 364: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432168d012331cb3b77c90c6dc2c4e151d4fea221b9a57893d632be82a90f0b1. 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/USBC19200741.
Oboe Concerto in D Minor, Op. 8 No. 9, RV 454: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7d2745246c9e705346049106b94c15599115938c8196e61d2b2dbc39554d96a. 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/USSM17200573.
The Four Seasons - Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3a8d4c2c863efd541da4e564f5fe9e4dd27246ae02782af52421a4d9bc55d2. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/USSM17200195.
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
Concerto for Violin, Strings and Harpsichord in D Major, RV 209: II. Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2423e87ff27514257f06f2529da9f883106d080e1698b247b482186cc532c368. 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/USBC19200751.
Norgard: Viola Concerto, 'Remembering Child' / Between
Beethoven: Piano Trio No. 6 in E-Flat Major, Op. 70 No. 2: III. Allegretto ma non troppo
Beethoven: Piano Trios, Violin & Cello Sonatas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b4e1747ef7e3633ff0c0c73429646abcf17ee78854fd26e712f2bfa68ff3fa. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBAYC8902928.
Beethoven: Piano Trio in G Major, Op. 121a "Kakadu Variations"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10b0708e9b09bcda2de5cd60efcb0591e24faf8ce5c75eabef0056b49580cf26. 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/GBAYC8902935.
Beethoven: Piano Trio No. 7 in B-Flat Major, Op. 97, "Archduke": IV. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1853f6cc626f7b654c184438f00c473096c774e5ce284ad7cac00e25037dc545. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC1702193.
Violin Concerto No. 2 in E, BWV 1042: 2. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadf7bae355033079ee0e88790cd98eb083b29becd246985e2b24ecc39d21e43f. 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/NLA508600408.
Mozart: Oboe Quartet in F Major, K. 370: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07777dd410e7bc8612b13a1b79a1372342fd1b7c787ca5ea15d9c93f69bab50b. 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/GBAYC1501573.
Bach, JC: Oboe Quartet in B-Flat Major, W. B60: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18ee0d62cef887b78a9989f26352e9d9f9abeb055a0ab47bc49864d294fd5505. 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/GBAYC1501579.
Vanhal: Oboe Quartet in F Major, Op. 7 No. 1: II. Cantabile. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215ac06a80e1715ab6986461729f53db5143870a4d66aafbcea1d96128a824a2. 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/GBAYC1501582.
Beethoven: Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa453bec7e836726f58c8f308286e986ba3481cbad7e332f883076e0fe6b0200b. 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/GBAYC9903853.
Beethoven: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto (Excerpt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52712aedff1057df80633e791528ba6105d8d9d356bc5a491135a445790549ab. 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/GBAYC9903854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa700c5f6c94a437ee91c788630aa1b0664db1b54af816efebdcaea488f0fe190. 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/USSM17000802.
Beethoven: Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3917a1e1e7021452f895bd856b78fefc5cfe967189203f0338aeaa9d70f7dd12. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/GBAYC8902903.
Mozart: Oboe Quartet in F Major, K. 370: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e856f6c68a40b0526253f013f8cd1b2a5b872ce7d892220a78cd0e542516204. 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/GBAYC1501574.
Beethoven: Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: II. Adagio cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb026b8f23877e24871f07ad5c5a76d435440cde39cad1872148aaefcc5c000fb. 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/GBAYC8902904.
Beethoven: Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: III. Scherzo. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaec97329ecc508e132edc58600ffcc46b35b5652350aed12098cb483aedc9800. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GBAYC8902905.
Beethoven: Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: IV. Finale. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6640a70d928f90b2fa8b4fa4199d2fb08cb657527dabb820129c264f474b09. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBAYC8902906.