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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bc10fd188ab4aff1b6849d61331124f7fda4455f11f79c5946da14b2d6fe988. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c8b9c2b6-346d-46b4-a0cb-b4577c4e1649.json and https://artists.proofprofile.net/proofs/artist/c8b9c2b6-346d-46b4-a0cb-b4577c4e1649.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zzz - Classical Dream. Music for Deep Sleep
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7c0a5bfa6a1c5f24aea4803308b8c333d1f20f2e99097aaa247bfcc9985d7bc. 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/GBAYC9005434.
Vivaldi: Flute Concerto in G Minor, Op. 10 No. 2, RV 439 "La notte": III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd762500519bb16b32c6e4148e0df021d74a772815f4475d3ae0a648a7d28e8. 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/GBAYC0501759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9275345e69ac931bc707398b8ae29effb27d69d7da021c3e623dc23461e4afdf. 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/GBAYC0002318.
Mozart: Eine kleine Nachtmusik, K. 525: III. Menuetto. Allegretto
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Vivaldi: Flute Concerto in G Minor, Op. 10 No. 2, RV 439 "La notte": I. Largo
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Tchaikovsky / Arr. Stetsuk for Cello and Orchestra: 16 Children's Songs, Op. 54: No. 10, Lullaby in a Storm
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Mozart: Serenade for Winds No. 12 in C Minor, K. 388 "Nachtmusik": III. (b) Trio in canone al roverscio
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Vivaldi: Flute Concerto in G Minor, Op. 10 No. 2, RV 439 "La notte": V. Il sonno. Largo
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Tchaikovsky: Mazeppa, Act 3: Maria's Lullaby (Arr. Milstein for Violin and Piano)
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Britten: 2 Lullabies for Two Pianos: No. 2, Lullaby for a Retired Colonel
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Tchaikovsky: Children's Album, Op. 39: No. 21, Sweet Dreams
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Tchaikovsky: 16 Children's Songs, Op. 54: No. 10, Lullaby in a Storm
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Anonymous: Lullaby, Lullow "I Saw a Swete Semly Syght"
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Debussy: Children's Corner, CD 119, L. 113: No. 2, Jimbo's Lullaby
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Tchaikovsky: 6 Romances, Op. 16: No. 1, Lullaby (Piano Version)
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Fauré: 3 Mélodies, Op. 7: No. 1, Après un rêve (Version for Cello and Piano)
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Vaughan Williams: Hodie, a Christmas Cantata: XI. Lullaby. "Sweet Was the Song the Virgin Sang"
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Mozart: Serenade for Winds No. 10 in B-Flat Major, K. 361 "Gran partita": V. (a) Romance. Adagio
Berliner Philharmonisches Bläserensemble
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Massenet: 2 Berceuses: No. 1, Très calme avec un sentiment intime
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Stravinsky: The Rake's Progress, Act 3: Lullaby. "Gently, Little Boat" (Anne, Chorus)
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Tchaikovsky: 6 Pieces, Op. 19: No. 1, Rêverie du soir
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Stanford / Orch. Gamley: Songs of Old Ireland: No. 30, Irish Lullaby
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Ravel: Berceuse sur le nom de Fauré, M. 74
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Handel: Serse, HWV 40, Act 1: Largo. "Ombra mai fu" (Version for Trumpet and Organ)
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Zzzz. Carnival of the Insects - A Symphony for Life
Grieg: Lyric Pieces, Book 3, Op. 43: No. 1, Butterfly
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Berlioz: 8 Scènes de Faust, Op. 1, H 33: No. 5, Chanson de Méphistophélès "Histoire d'une puce"
Orchestre Philharmonique de Radio France
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Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly"
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Schubert, F: Bagatelles, Op. 13: No. 9, L'abeille
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Lyadov: 8 Russian Folksongs, Op. 58: No. 4, Humorous Song "I Danced with a Mosquito"
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Massenet: 2 Pièces pour piano: No. 1, Papillons noirs
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Bartók: Mikrokosmos, Sz. 107, Book VI: No. 142, From the Diary of a Fly
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Tippet: Songs for Ariel: No. 3, Where the Bee Sucks
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Schubert: Der Schmetterling, Op. 57 No. 1, D. 633
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Couperin: Second livre de pièces de clavecin, Sixième ordre: VIII. Le moucheron
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Schumann: Liederalbum für die Jugend, Op. 79: No. 14, Marienwürmchen
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Arne: Where the Bee Sucks (From Shakespeare's "The Tempest")
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Bennett: Songs Before Sleep: No. 1, The Mouse and the Bumblebee
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Satie: Carnet d'esquisses et de croquis: No. 17, Petit prélude de "La mort de monsieur Mouche"
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Lecocq: 6 Fables de La Fontaine: No. 4, La cigale et la fourmi
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Nicolai: Die lustigen Weiber von Windsor, Act 3: Mückentanz. "Mücken, Wespen, Fliegenchor" (Spärlich, Cajus, Falstaff, Reich, Chor)
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Chausson: 7 Mélodies, Op. 2: No. 3, Les papillons
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Roussel: Le festin de l'araignée, Op. 17, Pt. 2: XIII. Funérailles de l'Éphémère
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Purcell: Dioclesian, Z. 627, Act 4: Butterfly Dance
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Martin: 5 Songs of Ariel: No. 5, Where the Bee Sucks There Suck I
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Crumb: Black Angels "Thirteen Images from the Dark Land": Threnody I. Night of the Electric Insects
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Mayerl: 4 Insect Oddities: No. 3, Praying Mantis
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Samazeuilh: Le cercle des heures: V. Si j'étais une luciole
Orchestre De La Société Des Concerts Du Conservatoire
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Friml: The Firefly, Act 1: "Love Is Like a Firefly" (Nina)
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Mussorgsky: Mephistopheles' Song in Auerbach's Cellar "Song of the Flea"
Orchestre National Radiodiffusion Française
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Gallot: Dialogue ou Chaconne "La mouche"
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Plakidis: 2 Grasshopper Dances for Solo Violin: No. 2, Happy Dance
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Puccini: Madama Butterfly, Act 2: "Come una mosca prigioniera" (Suzuki, Butterfly)
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Elgar: The Wand of Youth, Suite No. 2, Op. 1b: III. Moths and Butterflies
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Delage: Fables de La Fontaine, Op. 20: No. 2, La cigale et la fourmi
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Porter: Hitchy-Koo: Bring Me Back My Butterfly
Thomas Hampson/London Symphony Orchestra/John McGlinn
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Lincke: Lysistrata, Act 2: Glühwürmchen-Idyll. "Wen die Nacht sich niedersenkt"
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Caplet: 3 Fables de La Fontaine: No. 2, La cigale et la fourmi
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Messager: Madame Chrysanthème, Act 3: "Écoutez, c'est le chant des cigales" (Madame Chrysanthème)
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Bonds: Songs of the Seasons: No. 2, Winter Moon
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Satie: 3 Petites pièces montées: No. 1, De l'enfance de Pantagruel. Rêverie
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Mendelssohn, Fanny: 6 Lieder, Op. 7: No. 2, Erwin
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Traditional: Danny Boy (Bill Evans Version)
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Mendelssohn-Hensel: 6 Lieder, Op. 9: No. 6, Die Mainacht (Version for Flute and Piano)
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Barrios Mangoré: La catedral: I. Preludio saudade
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Handel: Semele, HWV 58, Act 2: "Prepare, Then, Ye Immortal Choir" (Semele, Ino)
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Prokofiev: Suite No. 2 from Romeo and Juliet, Op. 64ter: VI. Dance of the Girls With Lillies
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Couperin, F: Second livre de pièces de clavecin, Sixième ordre: V. Les barricades mystérieuses
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Handel: Esther, HWV 50b, Act 2: "Who Calls My Parting Soul from Death?" (Esther, Ahasuerus)
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Ravel: Shéhérazade, M. 41: No. 2, La flûte enchantée
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Bernstein: West Side Story: Somewhere (Arr. Penaforte for Violin and Piano)
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Satie: 3 Gymnopédies: No. 1, Lent et douloureux
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Schumann: 3 Romances for Violin and Piano, Op. 22: No. 1, Andante molto
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Ravel: Sonatine, M. 40: II. Mouvement de menuet
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Liszt: 12 Lieder von Schubert, S. 558: No. 9, Ständchen (After Schubert’s D. 889)
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Debussy: Petite suite, CD 71, L. 65: I. En bateau
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