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 0x818f1f8b7b597a039fb838d26d1761f2a9b199a657b478812510437db4e0c3e4. 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/dadd08a5-ac00-44a0-baf8-b45661606002.json and https://artists.proofprofile.net/proofs/artist/dadd08a5-ac00-44a0-baf8-b45661606002.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vivaldi, J.S. Bach, Mozart, Mendelssohn, Wagner, Pachelbel, Albinoni, Walter Rinaldi: Cello Concerto, Violin Concerto No. 1 in A Minor, Air On The G String, Turkish March, Sonata Facile, Wedding March, Canon in D, Adagio and Orchestral Works - Vol. III
Bach: Violin Concerto No. 1 in A Minor - Air On The G String / Vivaldi: Concertos / Pachelbel: Canon in D Major / Albinoni: Adagio / Beethoven: Fur Elise - Moonlight Sonata / Schubert: Ave Maria / Mendelssohn: Wedding March - Vol. I
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 0x830a47a00ccce0bddd0fbd8a3766be1a25999b926a474e19f11930a7d5333696. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/USHM81193666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e66c263257cd5e89fc424338005874f7f251a6ce8ff4e023c24911e0c13697d. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/USHM81193678.
Bach: Air On the G String, from Orchestral Suite No. 3 in D Major, BWV 1068
Vivaldi, J.S. Bach, Pachelbel, Albinoni, Schubert, Walter Rinaldi: String Concerto, Air On The G String, Violin Concerto No. 1 in A Minor, Canon in D Major, Ave Maria, Adagio for Strings and Organ in G Minor, Orchestral, Organ and Piano Works - Vol. II
Bach: Violin Concerto: Air On the G String - The Well -Tempered Clavier - Jesu, Joy of Man's Desiring / Pachelbel's Canon in D Major / Vivaldi: Concertos / Albinoni: Adagio in G Minor / Paradisi: Toccata / Fur Elise / Turkish March / Wedding March
J.S. Bach: Violin Concerto; Air On the G String; Jesu, Joy of Man's Desiring - Vivaldi: the Four Seasons - Walter Rinaldi: Orchestral Works - Pachelbel: Canon in D Major - Albinoni: Adagio in G Minor for Strings and Organ - Vol. IV
Antonio Vivaldi: the Four Seasons; Guitar Concerto - Walter Rinaldi: Orchestral Works; Piano Concerto - Johann Pachelbel: Canon in D Major - Johann Sebastian Bach: Air On the G String; the Well -Tempered Clavier - Vol. V
Johann Sebastian Bach: Violin Concerto; Air On the G String - Antonio Vivaldi: the Four Seasons - Pachelbel’s Canon in D Major - Walter Rinaldi: Adagio for Oboe; Orchestral Works - Albinoni: Adagio in G Minor - Vol. VII
J.S. Bach: Violin Concerto; Jesu, Joy of Man's Desiring; Air On the G String; the Well - Tempered Clavier - Vivaldi: the Four Seasons; Cello Concerto - Pachelbel: Canon in D Major - Paradisi: Toccata - Vol. VIII
Bach: Air On the G String & Violin Concertos - Pachelbel: Canon in D Major - Vivaldi: The Four Seasons - Albinoni: Adagio in G Minor - Liszt: Love Dream & La Campanella - Mozart: Turkish March - Beethoven: Moonlight Sonata - Schubert: Ave Maria
Bach: Air On the G String, Violin Concerto - Pachelbel: Canon in D Major - Mozart: Turkish March & Sonata Facile - Walter Rinaldi: Orchestral Works & Fugues - Albinoni: Adagio - Frescobaldi: Organ Works - Mendelssohn: Wedding March - Wagner: Bridal Chorus
Bach: Violin Concerto, Air On the G String & Jesu, Joy of Man’s Desiring - Pachelbel: Canon - Vivaldi: The Four Seasons - Albinoni: Adagio - Walter Rinaldi: Works - Frescobaldi: Organ Works - Liszt: Love Dream - Beethoven: Fur Elise
Bach: Violin Concerto, Air On the G String & the Well Tempered Clavier - Pachelbel: Canon in D Major - Walter Rinaldi: Piano Concerto & Orchestral Works - Albinoni: Adagio - Frescobaldi: Organ Works - Mendelssohn: Wedding March - Wagner: Bridal Chorus
Bach: Toccata and Fugue in D Minor, Violin Concerto No. 1 in a Minor & Air On the G String - Pachelbel: Canon in D - Vivaldi: Guitar Concerto - Albinoni: Adagio - Mendelssohn: Wedding March - Beethoven: Fur Elise & Moonlight Sonata - Liszt: La Campanella
Bach: Toccata and Fugue in D Minor, Air On the G String & Violin Concerto No. 1 in A Minor - Pachelbel: Canon in D - Albinoni: Adagio in G Minor - Vivaldi: Concertos - Walter Rinaldi: Adagio for Oboe & Orchestral Works - Mendelssohn: Wedding March
Bach: Toccata and Fugue, Violin Concerto No. 1 in A Minor, Air On the G String & Fantasia and Fugue - Pachelbel: Canon in D - Vivaldi: The Four Seasons & Concertos - Albinoni: Adagio - Rinaldi: Works - Mendelssohn: Wedding March - Liszt: Love Dream
Bach: Toccata and Fugue, Fantasia and Fugue, Violin Concerto No. 1 in a Minor & Air On the G String - Pachelbel: Canon in D - Vivaldi: The Four Seasons - Albinoni: Adagio in G Minor - Mozart: Turkish March - Frescobaldi: Organ Works - Rinaldi: Works
Bach: Toccata and Fugue, Violin Concerto No. 1 in A Minor, Air On the G String & Fantasia and Fugue - Vivaldi: Concertos - Pachelbel: Canon in D - Albinoni: Adagio - Rinaldi: Works - Mendelssohn: Wedding March - Beethoven: Fur Elise & Moonlight Sonata
Bach: Toccata and Fugue in D Minor, Air On the G String, Violin Concerto No. 1 in a Minor & Jesu, Joy of Man's Desiring - Pachelbel: Canon in D - Vivaldi: Concertos - Albinoni: Adagio - Rinaldi: Works - Frescobaldi: Organ Works - Paradisi: Toccata
Orchestral Suite in D Major, No. 3, BWV 1068: II. Air
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d1b0ecddd84af3de15aed877de63cb29c4eeded493abcb56bdf67dd23ea88ae. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USHM91332658.
Violin Concerto in A Minor, No. 1, BWV 1041: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccdf0a863e79f06683da624705556b21166bdebc4c8524f9f424375862624a3. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USHM91332665.
Vivaldi: Oboe & String Concertos - Bach: Violin Concerto, Air On the G String, Toccata and Fugue & Adagio for Oboe - Pachelbel: Canon in D Major - Albinoni: Adagio for Oboe - Mozart: Turkish March & Sonata Facile - Beethoven: Moonlight Sonata & Fur Elise
Walter Rinaldi: Adagio for Oboe, String Orchestra Works & Piano Concerto - Piano Works and Guitar Works - Pachelbel: Canon in D - Bach: Toccata and Fugue in D Minor & Air On the G String - Albinoni: Adagio - Vivaldi: Violin Concerto - Beethoven: Fur Elise
Vivaldi: The Four Seasons - Bach: Violin Concerto in A Minor & Air On the G String - Pachelbel: Canon in D Major - Walter Rinaldi: Piano Concerto, Orchestral, Guitar & Piano Works - Mendelssohn: Wedding March
J.S. Bach: Air on the G String, Violin Concerto in a Minor & Oboe Adagio - Pachelbel: Canon in D Major - Albinoni: Adagio in G Minor - Vivaldi: “Alla Rustica”, Oboe, Cello & String Concertos (Remastered in 2018)
Live: Bach: Cantata BWV 147 Jesu, Joy of Man's Desiring, Cantata No. 51 & Violin Concerto No. 1 in a Minor - Handel: Messiah, Hallelujah - Mozart: Ave Verum - Walter Rinaldi: String Orchestra Works - Vivaldi: Alla Rustica - Brahms: Hungarian Dances
Walter Rinaldi: Piano Concertos & String Orchestra Works / Bach: Jesu, Joy of Man's Desiring BWV 147 & BWV No. 51 / Handel: Hallelujah Chorus / Mozart: Ave Verum Corpus
Vivaldi: The Four Seasons - Pachelbel: Canon in D Major - Walter Rinaldi: Piano Concertos (Remastered)
Live Album: Violin Concertos from “L’ Estro Armonico”, Oboe Concertos & “La Rustica” - Air on the G String - Canon in D Major - Adagios for Oboe
Violin Concerto No. 1 in A Minor & Air On The G String - Concertos - Canon in D Major - Adagio for Strings and Organ - Fur Elise & Moonlight Sonata - Ave Maria - Wedding March - Vol. I (Remastered)
Pachelbel: Some Revisitations of Canon in D Major / Walter Rinaldi: String Orchestra Works
Handel: Messiah: Hallelujah Chorus / Bach: Cantata Jesu, Joy of Man's Desiring BWV 147 / Mozart: Ave Verum Corpus / Walter Rinaldi: String Orchestra Works (Live in Rome)
Handel: Hallelujah Chorus from Messiah / Bach: Cantata Jesu, Joy of Man's Desiring BWV 147 & Cantata Jauchzet Gott in Allen Landen BWV 51 / Mozart: Ave Verum Corpus
Vivaldi: The Four Seasons - Violin Concerto from L' Estro Armonico & Alla Rustica / Bach: Air on the G String - Cantata No. 51 & Oboe Adagio / Walter Rinaldi: Guitar & Orchestral Works / Pachelbel: Canon in D (Remastered)
Bach: Cantata No. 51, Toccata and Fugue in D Minor & Air on the G String / Vivaldi: Violin Concertos / Walter Rinaldi: Piano Concertos, Orchestral & Guitar Works / Pachelbel: Canon in D / Handel: Hallelujah (Remastered)