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 0x2ff9d8db884ef69187976ebc0b54b6b3b45d06c5de351928e112888c8a807d7a. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8f91045-b688-40c6-a736-5f87e5081517.json and https://artists.proofprofile.net/proofs/artist/e8f91045-b688-40c6-a736-5f87e5081517.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakme, Act I: Dome epais, "Flower Duet"
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 0xe82040ec077a426481435df6c980ca915963e9d3b04c7839260775c665623a48. 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/HKI190023811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9452feca05f699bcfbd3ede6fc6f4b38bcd4be6855a3702411c841bb2af93fba. 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/SEWDL6143055.
The 99 Most Essential Pieces of the Romantic Era
Nesun Dorma - Vesti la guiba and Other Opera Blockbusters
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd00b2f5c063b8d5fa114349cccdd662246d9f9db4e6c5a4aa642901b100052a. 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/USSJ10813553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5e1f58bff4e34940ab3b72a86fcb7bac526ba95fd3a8d55663cc117f5826e1. 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/USSJ10813568.
The Essentials: Greatest Classics, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b4083b1491cdb7a3f0ec64c6e6721fe917271889819423909f08a7f95d07e7a. 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/USB8U1611304.
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d1bb2a3a9d8ef43ade57485403ca119da4793bcc5fcd1f8b7e72f35b6878b2. 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/USB8U1611314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630ca71269ce99c0521393ab0876f42c0a2dc82113c9e9de385d9cf0a12f5716. 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/USB8U1611320.
Thaïs: Thais, Act II: Meditation (version for violin and piano)
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Suite for Jazz Orchestra No. 2: Jazz Suite No. 2: VI. Waltz No. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4e2f21feb0b9223e895cd8b6f39f322d8c1c796589f8e35f5cade6f12e977d. 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/USB8U1611331.
Serenade for Strings in E Major, Op. 22: II. Tempo di Valse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251043f18220a915481095f55b53eb13b868dd2657ba23c3047b91f17cc4287b. 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/USB8U1611338.
Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakmé, 1. Akt: Sous le dôme épais, "Blumenduett"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e95f2c95be7ce4a824c9e8de3b7cb011289a7c00f813dd7af4a16bd3be69dfa. 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/HKI190110703.
Rusalka, Op. 114, B. 203, 1. Akt: Lied an den Mond
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09d6f4649c39f4ae58ad3ffe8694eeb81cb10be66a0626846d5e927ac487ee15. 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/HKI199320703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338284691c37e4b37778bf6e2d7d807a4ffc7176bcef648a362f8a29613712e4. 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/HKI199190612.
Tosca: Tosca, 3. Akt: E lucevan le stelle
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Der Freischütz, J. 277, 3. Akt: Was gleicht wohl auf Erden, "Jägerchor"
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Los Divos De La Opera En Vivo - Renata Scotto
Symphony No. 40 in G Minor, K. 550: I. Molto allegro
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Concerto for Flute & Harp in C Major, K. 299: II. Andantino
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La Bohème, Act I: No. 6, Che gelida manina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5611320468f39f44373e155528c4a531684cc660ee6014710be1e5ade51b528b. 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/CAM460770424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x137eeefd72aeb2a17c4c9e149b1f6b6f3084226b57ce2cce0f6b11f582faf9fd. 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/SEWDL0730504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11851a1d656ddd12edaf372eedf63f7d4181a2de99695f1de54153e5e6d83db5. 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/SEWDL0572305.
La cenerentola, Act II: Nacqui all' affanno
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The Italian Girl in Algier, Act II: Pensa all patria
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Die Walkürie, WWV 86b, Act II: Wo in Bergen du dich birgst
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x067b954a646396b7d17a1cf855d315fbdd59e419a50e297afe365afc5a442dab. 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/SEWDL0777810.
La Rondine, Act I: Chi il bel sogno di Doretta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b8b9d905fcd30932eccc15cd1334e1d5bbe8be629ffb99c7f303f73a0cc743. 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/GBAYC0801962.
Die Zauberflöte, K. 620, Act II: "Der Hölle Rache kocht in Meinem Herzen"
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Die Zauberflöte, K. 620, Act II: "Pa-pa-pa-papagena"
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The Barber of Seville, Act I: Largo al factotum
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Così fan tutte, K. 588, Act I: Soave sia il vento (Trio)
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Das Rheingold, WWV 86a, Scene 4: Weiche, Wotan, weiche!
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Rusalka, Op. 114, Act I: Song to the Moon
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Les Contes d'Hoffmann, Act IV: Belle nuit, ô nuit d'amour (Nicklausse, Giulietta, Chorus)
Orchestre Symphonique de l'Opéra National, Bruxelles
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The 100 Most Essential Pieces of Classical Music
Carmina Burana, Fortuna Imperatrix Mundi: No. 1, O Fortuna
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Suite bergamasque, L. 75: III. Clair de lune
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The Tale of Tsar Saltan, Act III: Flight of the Bumblebee
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Symphony No. 5 in C Minor, Op. 67 "Fate": I. Allegro con brio
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Canon and Gigue in D Major, P. 37: I. Canon
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f50a8e8727f4a7c90c9f44cc0b10c745f8ec0e654a9ca68ed54804ea6789074. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SEWDL0741302.
The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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The Four Seasons, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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The Nutcracker, Op. 71, Act I: II. March
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The Nutcracker, Op. 71, Act II: XIVc. Var. 2, Dance of the Sugar-Plum Fairy
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Symphony No. 94 in G Major, Hob. I:94 "Surprice": II. Andante
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5 Morceaux de Fantasie, Op. 3: No. 2, Prélude in C-Sharp Minor "The Bells of Moscow"
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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L'Arlesienne Suite No. 1, WD 40: I. Prelude
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Also Sprach Zarathustra, Op. 30: I. Introduction
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Symphony No. 40 in G Minor, K. 550: I. Molto Allegro
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
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Die Walkürie, WWV 86b, Act III: Ride of the Valkyries
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Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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String Quintet in E Major, G. 282: III. Minuetto - Trio
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Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
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Requiem in D Minor, K. 626: IIIf. Sequenz, Lacrymosa
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10c839c328808d8b706cbaf2b542d3690e1930cbf4d7716f2ae561e345225bd2. 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/SEWDL6018030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025e652a8b5c0a028613a5a9cb47d89a4635e2bd2cc2a4e2055533d2ebf754d0. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:38:36Z), 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/SEWDL9750019.
21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
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Liebesträume, S. 541: No. 3, Oh Lieb, so lang du lieben kannst
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb36406e879235c3225c53751be20653274bf619fb095a5610e114cfb3393911d. 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/SEWDL9750027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa038083347db68c4e6db35b18dc56857e5041f4db5bc3c5301a07e68f56dd. 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/SEWDL0572304.
Bagatelle in A Minor, WoO 59 "Für Elise"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d641d7ea0a8ec52db0062dc95c27d8ac52d0d8fa914d57c6c1694337ddad300. 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/SEWDL9750048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc110f45355a593be946c605601ce9e78aed8b43f0c0ed8519305e4fd2d31f59a. 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/SEWDL9750017.
Lakmé: Lakme, Act I: Dome epais, "Flower Duet"
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Carmen, WD 31: Carmen, Act II: Votre toast, "Toreador Song"
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Die Zauberflöte, K. 620: Die Zauberflöte (The Magic Flute), K. 620, Act II: Arie: Der Holle Rache kocht in meinem Herzen, "Queen of the Night"
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Nabucco: Nabucco, Act III: Va pensiero, "Chorus of the Hebrew Slaves"
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Madama Butterfly: Madama Butterfly, Act II: Humming Chorus
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Der Freischütz, J. 277: Der Freischutz, Act III: Was gleicht wohl auf Erden, "Huntsmen's Chorus"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa891ed71652dbf6da1e83cbdacb41a32ad6a25e50f59ec6dc1956e10bb88e92d. 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/SEWDL9750002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2b18ad37c4e4bf629a19b41ae705ed950601a9794e53286ff6c2d601854b93. 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/SEWDL9750005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x233e37198a5f3f7490ef40a4f68d4701e13223342762efa5674d2074905431bb. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/SEWDL9750025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3748cfad3f74dd9ed4aa2f7356aaeb39b428223446f22fdbd26440035cbdaa4. 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/SEWDL9750008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43bf88534106aa5237a67988669b517b77706bbc81177d49ab924e370a284ef8. 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/USZDG0602819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x998dfd12fb08df920da6c02f0bd4827b49ab6cad28efc09e4400e79479ed5c3d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SEWDL6018032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e285b26db13234d2cfc08e739cb5491001bf4ec8dc176f3885d23e3e1e8c87. 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/SEWDL9750022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3ef5640081768f97ea14134334830f934bc93669e5a5d1048e56045f7082fc. 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/SEWDL6020665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4c0a3f5ef05209ea2d855e63fa74e25a6632662252e6b55066d63f3cd17a8f. 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/SEWDL9750039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7de4835953bc74808e9e1adc664ca400ea8e379505681490daeecce010e96d. 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/SEWDL9750007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfee6867c88e0ad3798f87d2e8a431edf9a30a9c3ed3029804c546786ca6a0ec3. 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/SEWDL0741501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc448e4102c38a2d7f40ed3510cbf26708e8d9fe381eceba1d2b4538b6b953cda. 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/SEWDL0730501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a91258fadb1426b3a8211abd7c89fb21cb52276dfd14a49cebb1acf29010274. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SEWDL0721617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183f0d49a3ac08d4e16be4e086efe453da8f8e77f0b2d16c12e6a595770cb586. 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/SEWDL0773812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c144787d46312e9bdc7304ea4baf9cd2ec7da49e8b8695df75525bb3070d663. 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/USZDG0600712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11851a1d656ddd12edaf372eedf63f7d4181a2de99695f1de54153e5e6d83db5. 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/SEWDL0572305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x742b7172077d57f596a75d927bb9f8854f24d72307b1333cfcebd9d223356a5d. 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/SEWDL9750028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc110f45355a593be946c605601ce9e78aed8b43f0c0ed8519305e4fd2d31f59a. 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/SEWDL9750017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572fb5cfc75df524815cc323cb17159ccab76ce7513658741ea1cf8b7510cb79. 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/SEWDL0501814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138a2ef2bf7fe5fde069a83dd46ad70c4537e5fba478ceae792e5db07894462f. 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/SEWDL9750037.
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
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Die Zauberflöte, K. 620: Der Hölle Rache
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Peer Gynt, Op. 23: In the Hall of the Mountain King
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The Most Essential Classical Music from Italy
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48308747e5cc9a4d6b37914e6af1e3c8cf4d3c5b7a36df04605357b0cf848b56. 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/SEWDL0730502.
Suite Bergamasque, L. 75: III. Clair de lune
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Requiem in D Minor, K. 626: III. Sequenz, No. 6, Lacrymosa
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x964f1d2507dd0eca7b1b88df545b43333352424a1af45015fc8b98b4ebb27309. 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/SEWDL9750004.
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Piano Sonata No. 11 in A Major, K. 331: III. Alla turca: Allegretto (arr. for orchestra)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe479acda019f0d46b53a830e2c448341320244da499c34d76a644975f7c3726a. 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/USSJ10806582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8f4e736925733804703fe04c7e965e263f336de23590b04bd7db6860452955. 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/USSJ10806583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82fa49f8340b766517f81ad231eac39caf4e09a76c26bac7dcc286be48e3ba46. 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/USSJ10806584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e52f46a467a120df7af61e8e671b2a0519e723202b0bfa7ef72e4be7ba819a. 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/USSJ10806587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9621bedff413ec169e2c72ec1b742e5e3f7cb6b2163d0b2af3a6240720b1c439. 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/USSJ10806588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1171b976d068b919bd9417f7a6b079297e7c7ad62bd1f4ee19eb825f76a5c8c0. 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/USSJ10806592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e33b9364381241612baa1f464c605dca7f070eb65664a14401cf0774d959d63. 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/USSJ10806593.
The Barber of Seville: "Una voce poco fa"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1bbd064a388c2c7cab8b7289bbf28ff4e227eea8632ac3b9e4ab72db77eddc0. 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/USSJ10806595.
The Magic Flute, K. 620: Act II. "Der Holle Rache Kocht In Meinem Herzen"
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La Traviata: Act 1: Alfredo - Violetta - Coro: "Libiamo"
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La mayoría de las arias hermosas de la ópera
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An Italian in Algiers - Aria Isabella - Cruda Sorte
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La Cenarentola - Aria Angelina Act II - Nacqui all affanno
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The Magic Flute, KV 620: Act I: "Papagena! Papageno!"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f50a8e8727f4a7c90c9f44cc0b10c745f8ec0e654a9ca68ed54804ea6789074. 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/SEWDL0741302.
Piano Sonata No. 11 in A Major, K. 331: III. Alla turca. Allegretto (Arr. for Orchestra)
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Symphony No. 40 in G Minor, K. 550: I. Allegro molto
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Così fan tutte, K. 588: La mano a me date
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225acad8b3cbf97b8bfc7fd6aab51a1005989538ad9ab3cc6e3610f4bddddaaa. 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/HKI199275506.
Die Hochzeit des Figaro, K. 492, 3. Akt: Canzonetta sull aria… Che soave zeffiretto (Die Verurteilten): Deh, vieni non tardar
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ff934fe345db471f4b851181e0498d1f45fc28c83c4405bc102e9e4123aa2d. 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/HKI199275510.
Don Giovanni, K. 527: La ci darem la mano
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Die Zauberflöte, K. 620: Act II: Der Holle Rache (Queen of the Night)
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Die Zauberflöte, K. 620: Act II: Papagena, Papageno (Papageno)
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Famous Arias and Duets: Verdi, Mozart, and Puccini
I puritani (The Puritans), Act II: Qui la voce sua soave
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Don Giovanni, K. 527, Act I: La ci darem la mano
Rusalka, Op. 114, Act I: O Silver Moon, "Song to the Moon"
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Il barbiere di Siviglia (The Barber of Seville) *: Ma, signor (The Barber of Seville)
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Lakmé: Lakme: Viens, Mallika... Dome epais, "Flower Duet"
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The Most Relaxing Opera Music in the Universe
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Symphony No. 2 in E Minor, Op. 27: III. Adagio
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Romance for Violin and Orchestra, Op. 50
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Two Elegiac Melodies, Op. 34: II. Last Spring
Royal Stockholm Philharmonic Orchestra Strings
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Bachianas brasileiras No. 5: I. Ária (Cantilena)
Orquestra Sinfônica do Estado de São Paulo
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Cavalleria Rusticana: Symphonic Intermezzo
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Cello Concerto in E Minor, Op. 85: III. Adagio
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Liebesträume, S. 541: No. 3, Oh lieb, so lang du lieben kannst
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The 99 Most Essential Romantic Masterpieces