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 0xe98eab52d48c7198bb2297facd9adbca89b5e62d0c539b38bb25190611370625. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0c24d13e-6d6f-4f8a-8ae8-7d7443b2d1a4.json and https://artists.proofprofile.net/proofs/artist/0c24d13e-6d6f-4f8a-8ae8-7d7443b2d1a4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Boccherini: Quintettes à cordes (Mono Version)
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 0xa14617616bbbcfaf9144ed031f1804efc8b50644eb4f7a384e36fd662a1d14e8. 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/GBELP0790014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1649c4be0eaf9cf4fec191f9a638550ff2934d4b24901b8b605bb8f278d796. 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/DEA809301601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd919824d55fc5f17045e522712c899ec5dc717e26889ee4f078e44dc0bf82c83. 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/GBAYC1700601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157945b803a8cfb8ba87bcba84e9e16fbe43a2d76553faa27a7e33b17530b796. 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/GBAYC9202184.
Violin Sonata No. 5 in F Major, Op. 24 "Spring": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57670d7da8a815df0b62a525aca46ab20ae60e8824f19231afca68511890d070. 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/GBAYC0100897.
Clarinet Quintet in A Major, K. 581: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8810c5b4fe159289b42f6ba045280774171c3cfa5ca9fed4da8d67c2ddb4cdf. 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/GBAYC8900284.
Serenade in E Minor, Op. 20: II. Larghetto
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso -
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ddee307e05f30e3f63df74506e1a1acf57ec587c5523af911d01a08a38b97d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBAYC0102140.
Antonio Vivaldi: Il cimento dell'armonia e dell'inventione, Op. 8 (Stereo Version)
Concerto for Strings in A Major, RV. 158: I Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa244877a8c642209f95026191a8ea51b1d18d7eccad3312465dd333a2c4b5945. 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/GBAYC0703371.
Concerto for Strings in A Major, RV. 158: III Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49526f335a13deb5b74099f0084d10645c22adbc544a331d0dc5337a476c426. 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/GBAYC0703373.
Violin Concerto in E-Flat Major, RV 253 "La tempesta di mare": I. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc55b873315325a66de6b8e450716fe48fb686a7e9db5abaa4ee8655e5ad106. 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/GBAYC0704564.
Violin Concerto in E-Flat Major, RV 253 "La tempesta di mare": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32443067cd75ae0ff83548cdd1a7f52f5aeed24d3128d7297b9c87427a90b82d. 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/GBAYC0704565.
Violin Concerto in E-Flat Major, RV 253 "La tempesta di mare": III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c5e8f08b015cb679afdde4a9ed9cd3e741c209ba864ead8cd5ae1f69a179ced. 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/GBAYC0704566.
Violin Concerto No. 3 in F Major, RV 293 "Autumn": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4436e7517a63f8688351388cb8435d121755b0660e7027263b4e3bf657430ad9. 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/GBAYC0704556.
Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e8e16d5e53aac3b7317981816a82f50b3559921de0e4e8247855ffd16b3482. 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/GBAYC7900189.
Violin Concerto No. 4 in F Minor, RV 297 "Winter": III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c2daa63cb4e64db44c473a5a7783b9129d8ab1386ac3d5bac9e6a9450b9a3a2. 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/GBAYC0704562.
The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315 "Summer": III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3314356d1bc426c6bfbb3773d9f450f46b8b1209953e6cdda2cb8d5b8937119e. 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/GBAYC0704554.
Violin Concerto in A Major, RV 345: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe8f64d0e714291f02352bc8947b6a9991f39f617f9c3dd17c4bc7b55119f693. 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/GBPFW0701087.
Concerto for 2 Violins in A Minor, RV 522: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0852a70cc721b1a216a46838472379a49e449098dc1e12cebe5d67e5127eac20. 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/GBAYC1502811.
Concerto for 4 Violins in E Minor, RV 550: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11319073f9d9e67b6a0fcffb795275100e17af2ee14793e2a276311498c12985. 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/GBAYC9602683.
Concerto for 3 Violins in F Major, RV 551: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fe384aa6b2d55c2018c7010d9681f934b5f448266728435d1092bfbd3d10ad. 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/DEA809599456.
Gluck: Orphée et Eurydice, Wq. 41, Act 2 Scene 2: No. 30, Danse des ombres heureuses
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6083937d3521b69fd43bdba30e1c381ef5c048df4f1200e57d2f586891d89a. 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/GBAYD8800174.
Bach, JS / Orch. Marriner: Was mir behagt, ist nur die muntre Jagd, BWV 208 "Jagdkantate": IX. Aria. "Schafe können sicher weiden"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d8f8dff533a271c82fc72065b088c5af0a78cc3e84d9c329361664b4f2cd70d. 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/GBAYC8300192.
Handel / Orch. Hale: Keyboard Suite No. 4 in D Minor, HWV 437: III. Sarabande
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x439d04fb7e3eedc6ccb88ce840243d20ef5d81905cbcfc48dc1ac9e48bba6944. 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/GBAYC0201575.
Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Vivaldi: Il cimento dell'armonia e dell'inventione, Op. 8 (Mono Version)
Vivaldi: L'estro armonico (Stereo Version)
Vivaldi: Les quatre saisons, Op. 8 (Mono Version)
Vivaldi: Concertos, RV 531, 547, 548 & 439 (Mono Version)
Corelli: Concerto grosso No. 4 in D Major, Op. 6 - Clementi: Symphony No. 2 in D Major, Op. 18 (Mono Version)
Swedish Rhapsody No. 1, Op. 19 "Midsummer Vigil"
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Frösöblomster III: No. 2, Intåg i sommarhagen
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3314356d1bc426c6bfbb3773d9f450f46b8b1209953e6cdda2cb8d5b8937119e. 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/GBAYC0704554.
Waltzes, Op. 64: No. 1, Molto vivace in G-Flat Major "Minute Waltz"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3d24377844af9b1e0f93cc770da1c6981a28627ee18306f366201b3a7892cb. 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/GBAYC1302843.
Violin Concerto No. 2 in B Minor, Op. 7: III. Rondo "La Campanella"
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Fantaisie-impromptu in C-Sharp Minor, Op. 66
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Violin Concerto in A Minor, BWV 1041: I. Allegro moderato
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e6ffa8bdcd218798e7e92d7acc41b11078694c0ba25f015d69d28e53f6454f. 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/FIFIN9600293.
Symphony No. 40 in G Minor, K. 550: I. Molto Allegro
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Symphony No. 41 in C Major, K. 551 "Jupiter": I. Allegro vivace
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Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca
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The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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Violin Concerto in D Major, Op. 61: III. Rondo (Allegro)
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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Keyboard Concerto in D Minor, BWV 1052: I. Allegro
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Piano Sonata No 21 in C Major, Op. 53: I. Allegro con brio (Excerpt)
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Piano Concerto No. 23 in A Major, K. 488: III. Allegro assai
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Vivaldi: The Concerto Album - The Four Seasons & L'estro armonico
Vivaldi: L'estro armonico, Concerto for Four Violins in E Minor, Op. 3 No. 4, RV 550: III. Adagio
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Vivaldi: Les quatre saisons (Mono Version)
Vivaldi: Les Quatre Saisons (Stereo Version)
Concerto for 2 Trumpets in C Major, RV. 537: II. Largo
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Classical Chill Out: 59 Relaxing Classical Pieces
Vivaldi: The Four Seasons, I Musici vs. Virtuosi di Roma (Compare 2 Versions)
Vivaldi: The Four Seasons (Il cimento dell'armonia e dell'inventione)
Romance for Violin and Orchestra in G Major, Op. 40
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Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': II. Allegro
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Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': III. Adagio - Allegro - Adagio
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You Have Heard This Before: Classical Music in Movies and OST
classical music for a summer dinner party
Klassische Musik für Achtsamkeit & Meditation
Klassische Musik für ein romantisches Dinner