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 0x5477ae05900746862fd4e8be0985417fd6671e938b8db7291199214f03d6174f. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4afdfb90-16cf-40b0-843f-d73670335500.json and https://artists.proofprofile.net/proofs/artist/4afdfb90-16cf-40b0-843f-d73670335500.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Le quattro stagioni (The Four Seasons), Op. 8 - Concerto No. 1 in E Major, RV 269, "La primavera" (Spring): 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
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Concerto in D Minor for Flute and Orchestra, Wq 22: I. Allegro
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Sonata No. 12 in D Minor, Op. 5, "La Follia": Variations over an old Spanish Sarabande
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Solomon, HWV 67: The Arrival of the Queen of Sheba
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Trumpet Voluntary in D Major (The Prince of Denmark's March)
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Concerto in D Minor for Guitar and Orchestra, FWV L:d 1: III. Un poco allegro
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Le quattro stagioni (The Four Seasons), Op. 8 - Concerto No. 3 in F Major, RV 293, "L'autunno" (Autumn): I. Ballo e canto de villanelli: Allegro
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Concerto in G Major for Viola and Orchestra, TWV 51:G9: I. Largo
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Concerto grosso in D Major, Op. 6,4: I. Adagio - Allegro
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Concerto in D Major for Trumpet and Organ: I. Pomposo
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Le quattro stagioni (The Four Seasons), Op. 8 - Concerto No. 4 in F Minor, RV 297, "L'inverno" (Winter): II. Largo
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The 99 Most Essential Handel Masterpieces
The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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Canon and Gigue in D Major, P. 37: I. Canon
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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Christmas Oratorio, BWV 248, Part 1: IX. Chorale: Ach, mein herzliebes Jesulein!
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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The 99 Most Essential Baroque Masterpieces
Concerto in D Major for Trumpet and Orchestra: I. Adagio
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Concerto in A Minor for Recorder, Two Violins and Continuo: Adagio
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Clarke - Bach - Handel - Homilius - Krebs - Lubeck - Telemann - Torelli: Music for Organ & Trumpet
Handel: Music for the Royal Fireworks, HWV 351, Water Music Suite No. 1, HWV 348, Suite, HWV 341 & Oboe Concerto, HWV 301
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The Messiah, HWV 56, Pt. 3: No. 51, But Thanks Be to God
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Oboe Concerto No. 3 in G Minor, HWV 287: II. Allegro
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Clarke: Trumpet Voluntary & Other Baroque Trumpet Favorites
A Classical Christmas - 50 Christmas Favorites
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Bach - Mendelssohn - Widor - Franck: Great Organ Works
classical music feel good 100 uplifting classics
The 99 Most Essential New Year's Classics