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 0x6d6dd49e87ae4f6825cb266662ce519b3552faa5405da1427f1655e02cccdb06. 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/288c7aa6-b191-485b-ac11-66b9433895e9.json and https://artists.proofprofile.net/proofs/artist/288c7aa6-b191-485b-ac11-66b9433895e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
William Perry: Toujours Provence & Other Music for Stage and Screen
Wind in the Willows Ballet Suite: IV. Along the River
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 0x194c3438a9960d800bd2b0c74a3c50eb0743d342a4e639142f1e77934d91531a. 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/HKI191907909.
Orphee et Eurydice, Act II, Dance of the Blessed Spirits, Orfeo ed Euridice, Act II: Orfeo ed Euridice, Act II: Dance of the Blessed Spirits (arr. for flute and harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360bfd0578b5e1517644d835a21aaf5690d8bb7b8763e9ce53a1ceaa4beac043. 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/HKI199717601.
Sicilienne, Op. 78 (arr. for flute and harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x412999ef054a3c434aad6b55e1c04f1c66aa10bd10e687b2c72d2db3a7ffea79. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKI199717602.
Berceuse, Op. 16 (arr. for flute and harp)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacdc3e969230d980ff6cae5ff8ad334369f03fcc3b609a963da9e5c4c532e0f2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HKI199717604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d954119ab6dd4bdd653430f8029b7c802cf6c5b92abecfef3cd6e9fddeaa1ef. 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/HKI199717605.
2 Arabesques, No. 1 in E Major: Arabesque No. 1 (arr. for flute and harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a2ae1a40b040984cde46d5a3a42abd4533de54a2f861146a1b4d6afcbcb212e. 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/HKI199717606.
3 Gymnopedies: Gymnopedie No. 1 (arr. for flute and harp)
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3 Gymnopedies: Gymnopedie No. 3 (arr. for flute and harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf380bf6c7bd280d666732aa864489228a8a7aa1cb3c73e7eb6b9a18888e9ff3. Chain 2 (Bitcoin): anchored in block 957057 (2026-07-07T15:21:38Z), 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/HKI199717609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d62e6ec7a6f2a3f3f34a4d17c2722fb05397c326068ed4168b6ee3a61c364c8. 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/HKI199717610.
Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano
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Carmen, Act III, Entr'acte, Carmen: Carmen: Entr'acte to Act III (arr. for flute and harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b450d9e21e5cb157bcd2c235e89933ac5a6b84392183fe2ecea21607d73d67. 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/HKI199717612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb46844153c9faf106dd6ea01bdbbaeea5995e51cfbf3ef96a6a7e25f51286d7c. 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/HKI199717613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69c94e1cd436d5042cea9061c4bd8f0ac49a8a4287d24ca1af7fac7b59314a4. 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/HKI199717614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe8e64320949a0ac33a491d01e7d761bbecf85406e8ff2440d4546eec379cf5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/HKI199717615.
Peer Gynt Suite No. 2, Op. 55: Solveig's Song
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String Quintet in E Major, Op. 11, No. 5 (G. 275): III. Minuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46892d9c0f0946deb9c5a637ff4411e6532bddef6eafeddc1df08492b4334f7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKI199717618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e083c27bd84a61e462fe95cd28d403b2c7e21494246ee4bdb96d84713d1640. 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/HKI199717619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a9ddb69f0d3f6a0905b9dcc05e4a504ce6fad6783c2457b7716b31e97fc54d. 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/HKI199827005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x584db2e45b0cdcac7d9d3687c083b71b9d3822b1b7aab1f33040e1e866b5852e. 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/HKI199991013.
Lohengrin, Act III: Wedding March - Arr. For Organ
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The 4 Seasons: Violin Concerto In F minor, Op. 8, No. 4, RV 297, "L'Inverno" (Winter): The 4 Seasons: Violin Concerto In F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Overture (Suite) No. 3 In D major, BWV 1068: Air On A G String, BWV 1068
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Sonata A 5: Sonata A 5 In D Major: I. Andante
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8964baf67842f1e93bdc728cabf4759a54b54e67a3bb705848a667268a859ca2. 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/HKI199333914.
Te Deum, H. 146 (Arr. For Organ): Te Deum, H. 146: Prelude (Arr. For Organ)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e19c1e79931e022747467e620178d20e7e03a6dee300d9a2bc3b24ede1ae26. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI199333909.
String Quintet In E major, Op. 11, No. 5, G. 275 : String Quintet In E Major, G. 275: III. Minuetto
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Organ Symphony No. 5 in F minor, Op. 42, No. 1: Organ Symphony No. 5: Toccata
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Suite Bergamasque : Suite bergamasque: III. Clair De Lune
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3 Gymnopedies (Arr. For Flute And Harp): Gymnopedie No. 1 (Arr. For Flute And Harp)
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2 Arabesques (Arr. For Flute And Harp): Arabesque No. 1 (Arr. For Flute And Harp)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17feb080c5a870d986e5b81f3b24e9562ed732eb0af380101b99cb7dae59a6c3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI199333907.
Carmen (Arr. For Flute And Harp): Carmen: Entr'acte To Act III (Arr. For Flute And Harp)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c356f61f2863da5adb80ccff780e8bd923925a37243cf3e91d164de2b916bb0. 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/HKI199205601.
Violin Sonata No. 3 in C Major, BWV 1005: III. Largo (arr. for guitar)
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Herz und Mund und Tat und Leben, BWV 147: Jesu bleibet meine Freude (Jesu Joy of Man's Desiring) (arr. M. Hess)
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Christmas Oratorio, BWV 248, Part II: Sinfonia
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Toccata, Adagio and Fugue in C Major, BWV 564: Adagio
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Clavierbuchlein for Anna Magdalena Bach, Book 2, BWV Anh. 113-132: Minuet in G Major, BWV Anh. 114
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Anna Magdalena Notenbuch (Clavier-Buchlein III): Bist du bei mir, BWV 508 (attrib. G.H. Stolzel)
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Concerto for Oboe and Violin in C Minor, BWV 1060: II. Adagio
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Keyboard Concerto in D Minor, BWV 974 (after A. Marcello's Oboe Concerto) (arr. E. Voorhorst for guitar): Concerto in D Minor, BWV 974: II. Adagio (after Oboe Concerto by A. Marcello) (arr. f
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Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano (arr. for flute and harp)
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24 Caprices, Op. 1: Caprice No. 24 in A Minor, Op. 1, No. 24
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Relaxation: Soothing Sounds of Classical Music
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood (arr. D. Sosin for flute and harp)
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40 of the Best: Classical Music to Study or Chill With
The Gadfly Suite, Op. 97a: VIII. Romance
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Fantasia on Greensleeves (arr. R. Greaves for orchestra)
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Klavierkonzert Nr. 21 C-Dur, K. 467, "Elvira Madigan": 2. Andante (Elvira Madigan): Piano Concerto No. 21 in C Major, K. 467, "Elvira Madigan": II. Andante
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Canon and Gigue in D Major: Canon in D Major
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6 Romances, Op. 6: None but the lonely heart, Op. 6, No. 6
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Wedding March: Classical Music for Your Perfect Wedding
Canon & Gigue in D Major, P. 37: Canon and Gigue in D Major: Canon
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Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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A Bride's Guide To Wedding Music For Civil Ceremonies
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Salut d'amour, Op. 12 (version for orchestra)
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The Sussex Mummers' Christmas Carol (version for piano)
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Ding Dong! Merrily on High - Herz und Mund und Tat und Leben, BWV 147: Jesu, bleibet meine Freude (arr. C.M. Taylor for piano)
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The Nutcracker, Op. 71 (arr. for piano): IV. Russian Dance, "Trepak"
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Yolka (The Christmas Tree), Op. 21: Waltz (arr. for piano)
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Auld Lang Syne (arr. J. Biegel for piano)
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Lauber: 4 Danses Medievales / Paradis: Sicilienne / Ibert: Entracte
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Haru no umi (The Sea in Spring) (arr. for flute and harp)
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Marche nuptiale: Musique classique pour un mariage
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Orphee et Eurydice, Act II: Dance of the Blessed Spirits (arr. D. Sosin for flute and harp): Orfeo ed Euridice, Act II: Dance of the Blessed Spirits (arr. for flute and harp)
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3 Gymnopedies (arr. D. Sosin): Gymnopedie No. 1 (arr. for flute and harp)
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3 Gymnopedies (arr. D. Sosin): Gymnopedie No. 3 (arr. for flute and harp)
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