Constanze Backes is a classically trained German soprano in opera and concert. She has toured throughout Europe and performed in many classical genres but over the last few years has focused primarily
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 0xc980f65cf8bf04b5fbfb7765cc8bc4f736b9b66a39d8902c17ea0a7c6a34969c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e05c84e3-8ccb-438f-9a1d-25885425f652.json and https://artists.proofprofile.net/proofs/artist/e05c84e3-8ccb-438f-9a1d-25885425f652.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Stölzel: Der für die Sünde der Welt gemarterte und sterbende Christus
From The Music Library Of J. S. Bach, Vol. 2
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 0x7ca44c8301a2e7094787f6a21e95db8972bfb6a993738a1c0612c4e0eecbd38c. 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/DEA550106488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e8374dc1bb150794c14508ef663e97ac11b9a404fd0e7a49205f1a33c19e8b. 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/DEA550106492.
Christ lag in Todes Banden, BWV 4: Versus I
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Paradiso Armonico. Italian Chamber Music in the Low Countries c. 1650 (VRT Muziek Edition)
Operis primi pars prior continens moteta: O bone Iesu - VRT Muziek Edition
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Beethoven: Piano Concertos Nos.1-5; Symphony No. 2, Op. 36; Fantasy For Piano, Chorus And Orchestra, Op. 80; Choral Fantasy (two altern. improv. piano introd.); Rondo For Piano And Orchestra
Piano Concerto No. 4 in G Major, Op. 58: III. Rondo. Vivace
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Idomeneo, re di Creta, K.366 / Act 2: "Odo da lunge armonioso suono" - Live
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Idomeneo, re di Creta, K.366 / Act 1: "Vedrommi intorno" - "Cieli!che veggo?" - "Spiagge romite" - Live
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Idomeneo, re di Creta, K.366 / Act 1: Intermezzo: Marcia - Live
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Idomeneo, re di Creta, K.366 / Act 1: "Nettuno s'onori" - Live
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Idomeneo, re di Creta, K.366 / Act 2: "Se il padre perdei" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811b718ce62d13d5648e6b3baafb129886b31d88b7c39fbc8382ec151b5d4cba. 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/DEF059030118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa534d5b750716b7e44236b9636a247040059a2ffad03bbdc9f022504a663db49. 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/DEF059430303.
Die lustige Witwe / Act I: "So kommen Sie! 's ist niemand hier!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aeda9a39eafda6d1f62d0d21b327b3b8d130c1f7fd41484771b3e7065324cf0. 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/DEF059430305.
Die lustige Witwe / Act I: "Nun, Njegus, haben Sie meine Botschaft überbracht?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4350b0dc62858a494b29b8267328b7d6f65d244ac5ebe6585f3bbc3cff33ab38. 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/DEF059430306.
Die lustige Witwe / Act I: "Was hat das zu bedeuten?" - "Bitte meine Herr'n" - "Hab' in Paris mich noch nicht ganz so akklimasiert"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a058f701adafcfd2afc728325aa70c1fc3760b7cfac268a6df4d45928ce1a5. 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/DEF059430307.
Die lustige Witwe / Act I: "Camille!" - "Ja?"
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Die lustige Witwe / Act I: "Also Njegus, hier bin ich und wo ist das Vaterland?" - "O Vaterland"
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Die lustige Witwe / Act II: "Ich bitte, hier jetzt zu verweilen" - "Es lebt' eine Vilja"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a6e429efe119057e9914d757926c08b4b15976e329ae36187292ce2a4e984a. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-21T23:29:39Z), 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/DEF059430313.
Die lustige Witwe / Act II: "Gospodina, dieses vaterländische Fest..."
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Die lustige Witwe / Act II: "Mein tapferer Reitersmann" - "So wie die Dinge sich entwickeln"
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Die lustige Witwe / Act II: "Ha!Ha!" - "Wir fragen, was man von uns will!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40c08adc16dd65471dcf6435a8c383bc4353032188940750d204ea306eb3d0f. 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/DEF059430320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x068f9d1f61eb7a3deaa7373a3189439161b5679cde185cbb5bcc82042daedf2b. 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/DEF059430322.
Die lustige Witwe / Act III: "Graf Dailowitsch.." - "Ja, wir sind es, die Grisetten"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x581f112a539974274911a80f2c963099978fc1695f00ac838804be320f48a83b. 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/DEF059430323.
Die lustige Witwe / Act III: "Aber dort bin ich zu Hause.." Lippen schweigen
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Die lustige Witwe / Act III: "Exzellenz! Exzellenz! Diesen Fächer hat man im Pavillon gefunden!"
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Die lustige Witwe / Act III: "Ja, das Studium der Weiber ist schwer"
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The Fairy Queen, Z. 629 / Act 4: Symphony
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The Fairy Queen, Z. 629 / Act 1: Rondeau
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The Fairy Queen, Z. 629 / Act 1: Song In Two Parts: "Come, come, come, let us leave"
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The Fairy Queen, Z. 629 / Act 2: Prelude...Come, All Ye Songsters Of The Sky
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The Fairy Queen, Z. 629 / Act 2: Prelude (II)
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The Fairy Queen, Z. 629 / Act 2: Trio: "May the God of Wit inspire"
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The Fairy Queen, Z. 629 / Act 2: A Dance Of Fairies
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The Fairy Queen, Z. 629 / Act 2: "See, even Night herself is here"
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The Fairy Queen, Z. 629 / Act 2: "I am come to lock all fast"
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The Fairy Queen, Z. 629 / Act 2: "One charming night"
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Beethoven: Piano Concerto No.5 In E Flat Op. 73 "Emperor"; Choral Fantasy
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Madrigals, Book 9: Non voglio amare, SV 172
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Scherzi musicali: Damigella tutta bella, SV 235
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Vespro della Beata Vergine, SV 206: VIII. Nisi Dominus a 10 - Live
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc65edabaa2ca02a078d97eeadf1633359b104e3c4ff2434963d213ae3c8593. 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/DEN960902240.
Messa, salmi concertati e parte da capella, et letanie della B. V.: Laetatus sum (I), SV 198
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Scherzi musicali, cioè arie, et madrigali in stil recitativo: Zefiro torna, SV 251
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915b4f920dccdcbf2c1c40851579e605e2dd3713a982a6e1dd807e98a7e50cb5. 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/DEN961404040.
Scherzi musicali, cioè arie, et madrigali in stil recitativo: Quel sguardo sdegnosetto, SV 247
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa689fa0828d0b744c43b1d087f81a493d4cb6650c048d3db0465a28130c026ad. 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/DEN961404060.
Madrigali guerrieri, et amorosi: Lamento della ninfa, SV 163
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x714e6b003dea9e8746210e653f8ce2f48d2a04d67b817ff8535a83758f66a94b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEN961404050.
Kerll, J.C.: Missa Nigra / Delectus / Laudate Pueri
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3884140f2833bfc98b9daa19d21d5b506cee1197823ecdd92ed9d5adbffad1c. 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/DEF058630501.
Vespro della Beata Vergine, SV 206: VII. Duo seraphim a 3 - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbe4a4ef4ab398aaa28e50d00bcca7dd9f9ac43b1da7a9079d30c28857cc17a. 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/DEF058930607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915b4f920dccdcbf2c1c40851579e605e2dd3713a982a6e1dd807e98a7e50cb5. 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/DEN961404040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x714e6b003dea9e8746210e653f8ce2f48d2a04d67b817ff8535a83758f66a94b. 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/DEN961404050.
Die Zauberflöte, K.620 / Act 2: Was für eine schreckliche Nacht! (Tamino, Papageno, Sprecher, Zweiter Priester)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72f1cdd89a4dd009b24b53dbfcdc135d03dc56e5aa687b2bcb19e07e55b8064f. 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/DEF059530824.
Die Zauberflöte, K.620 / Act 1: Zu Hilfe! Zu Hilfe! (Tamino, Die drei Damen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93fb019274e5487b612a7cd05bbe1f86ca29c24612103eea373968a303bc913d. 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/DEF059530802.
Die Zauberflöte, K.620 / Act 1: Der Vogelfänger bin ich ja (Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed83e980718123a2d72758e96a879f25f2a5699ce3b0fa8f6d5e93e14d6bad21. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/DEF059530804.
Die Zauberflöte, K.620 / Act 2: Du bist standhaft geblieben (Sprecher, Zweiter Priester, Papageno, Monostatos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1efa106d97dd6e91c5548152c96a7f7f313a3d263ba39135d2faee00b94c0c65. 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/DEF059530828.
Die Zauberflöte, K.620 / Act 1: "O zittre nicht, mein lieber Sohn!" - "Zum Leiden bin ich auserkoren" (Königin der Nacht)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1866d2bc08360bc0f4d77e2a5ba86470fc05480fcf536a29785b54ba797aad3. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/DEF059530808.
Die Zauberflöte, K.620 / Act 2: Der Hölle Rache kocht in meinem Herzen (Königin der Nacht)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf617c066d4e16cf1a8f1b681a9c6eb0fa6400e5e9529cd5ba93776497cc12e22. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEF059530831.
Die Zauberflöte, K.620 / Act 2: Dialog "Morden soll ich?" (Pamina, Monostatos, Sarastro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f619e24da49a6b34a86ce179f04ff8bdcabb6f45dfb525ce7e3f37ece96e076. 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/DEF059530832.
Die Zauberflöte, K.620 / Act 1: Hm! hm! hm! hm!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x456935b487234ecc04525186828cb9ded9795b153cbec345bf77e5335f2f01d0. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:21:54Z), 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/DEF059530810.
Die Zauberflöte, K.620 / Act 2: In diesen heil'gen Hallen (Sarastro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84befad75e7e3c16d94f7e5e7ad68baf661c848ecc5fe9572cf6a33a5c0aba6. 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/DEF059530833.
Die Zauberflöte, K.620 / Act 1: Du feines Täubchen, nur herein (Monostatos, Pamina, Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d7c87402c01acbe516391f124a2e99f4ec0eb61b11b3232b64f49f9572ab858. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/DEF059530811.
Die Zauberflöte, K.620 / Act 2: Dialog "Hier seid ihr beide euch allein überlassen" (Sprecher, 2. Prister, Papageno, Tamino, Weib)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc7996084b2b09e57fd95c225aefd13290a8a8f33fd5bb3d5ef8fb4ded31dfb. 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/DEF059530834.
Die Zauberflöte, K.620 / Act 2: Seid uns zum zweiten Mal willkommen (Die drei Knaben)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab4a36b9cd68baf0481a8f44f5cc3bd73963aa60f0638e4d1bf1dffac2a8654. 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/DEF059530835.
Die Zauberflöte, K.620 / Act 1: Bei Männern, welche Liebe fühlen (Pamina, Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa58dd4737cc0d3a901b328873580f73ccc61675f89f32f6f7ae13113bf753307. 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/DEF059530813.
Die Zauberflöte, K.620 / Act 2: Dialog "Tamino, wollen wir nicht speisen?" (Papageno, Pamina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa535e03a6fee657a9227f90f69f6d02e241e30649e802ad41d1e320f06c8bb8c. 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/DEF059530836.
Die Zauberflöte, K.620 / Act 1: Zum Ziele führt dich diese Bahn (Die drei Knaben, Tamino, Priester, Sprecher)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x998e5de9cdc94770f5d2dd778744cc0b5fbb733e0dbf9bc38cd9a462c16a49e2. 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/DEF059530814.
Die Zauberflöte, K.620 / Act 2: Ach, ich fühl's, es ist verschwunden (Pamina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0663aacf357e2846c3b9beb9278e7a492faa0e91d4819310fcb6bd57952ac7fe. 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/DEF059530837.
Die Zauberflöte, K.620 / Act 2: Siehst du, Tamino (Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83a07683433a8c65ab705b2cf6833d8ae9b0da468c76b74db81f06ac9cc672d4. 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/DEF059530838.
Die Zauberflöte, K.620 / Act 1: Nur geschwinde! (Monostratos, Pamina, Papageno, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa82723930e7db03e2787aecb546dbdc280a05b1996c4c6c068df2e147339544e. 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/DEF059530816.
Die Zauberflöte, K.620 / Act 2: O Isis und Osiris (Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a216fb59a02f2b152d74753fc54db80067ead7193c2acadcafec6c43d640030. 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/DEF059530839.
Die Zauberflöte, K.620 / Act 2: Ein Mädchen oder Weibchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2fc734d8a9cbf1af1c83fb25c245bcf7ab5561409d27b46580ab2546187abf. 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/DEF059530843.
Die Zauberflöte, K.620 / Act 2: Dialog "Da bin ich schon, mein Engel" (Weib, Papageno, Sprecher)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b4676bf42dfc8bd9cf9ee37cf251547725205bc3774a1985f4215c5412d9ab. 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/DEF059530844.
Die Zauberflöte, K.620 / Act 2: Bald prangt, den Morgen zu verkünden (Die drei Knaben, Pamina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a42b5239253292631652a14eeff877991b7b15aca8f6ff469b9f0796f5bb05. 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/DEF059530845.
Die Zauberflöte, K.620 / Act 2: "Papagena! Weibchen! Täubchen!" - "Pa-pa-gena!" / "Pa- pa-geno!" (Papageno, Die drei Knaben, Papagena / Papageno, Papagena)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46702b3d7ac033e9c4cc4850f6636f73cb66ff8fd9d44ab28601292fe7989a57. 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/DEF059530850.
Monteverdi: L'incoronazione di Poppea (Complete)
L'incoronazione di Poppea, SV 308 / Prologue: Sinfonia - Prologue - "Deh, nasconditi, o Virtù" ...
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011f181cae9dbff7f5619b92a0e327b8d2a93cc01b7dad65c52f20e305acdf2b. 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/DEF059331301.
L'incoronazione di Poppea, SV 308 / Act I: E pur'io torno qui, qual linea al centro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0671cd684e1b0b38ccf34aa327caaecfb8bcb68125652f40eb593e491f88758b. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/DEF059331302.
L'incoronazione di Poppea, SV 308 / Act I: Chi parla? chi parla?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d9e8d41369c6794394a3e8978168963546cc485b6d51c2dd6dd157a09d21064. 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/DEF059331303.
L'incoronazione di Poppea, SV 308 / Act I: Pur sempre di Poppea
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8bc98eaef9b1c8a99ee476b4852e9922bdadbcfdcf852772809374cb23c0bd7. 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/DEF059331316.
L'incoronazione di Poppea, SV 308 / Act I: Signor, deh, non partire!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b6a65f0c9431ba8d263729b0f73b6dd17f73a9beda7f8085404883bb4a15d3. 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/DEF059331304.
L'incoronazione di Poppea, SV 308 / Act II: Solitudine amata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d26932d909834d47c406b1ae8f2c367cef1ba7940a355d97738d16549a6b881. 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/DEF059331317.
L'incoronazione di Poppea, SV 308 / Act III: No, no, questa sentenza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75f36d62fa20bb1fdfea4c24ed550db67cd3e38d8cc0f1f15e801a91ab77b54a. 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/DEF059331335.
L'incoronazione di Poppea, SV 308 / Act I: Speranza, tu mi vai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d45c3912ec0bb4d221c1e9a2f1be364b6448d700e5bbbb2b0ff01d7fe22932. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/DEF059331305.
L'incoronazione di Poppea, SV 308 / Act III: Oggi sarà Poppea
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x652bc17af164ae56f8b27bbf2a2cb09bf239ca6c0e3db67e9828eaa219221e3a. 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/DEF059331337.
L'incoronazione di Poppea, SV 308 / Act I: "Ottavia, Ottavia!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x204db818769120c35fe562e2260ba2cfd5b1c73819f83c8d882b6b64e9dd5a25. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/DEF059331307.
L'incoronazione di Poppea, SV 308 / Act II: Sento un certo non so che
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x066643873573c0d6a0105e9930a06f58dd3613ed12cbd2a47bc9e4e35772950b. 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/DEF059331320.
L'incoronazione di Poppea, SV 308 / Act III: A Dio, Roma! a Dio, patria! amici, a Dio!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eba2a01c5bd9e203d1073885e49dad7e0378abe53a5253260942c87c0529fb8. 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/DEF059331338.
L'incoronazione di Poppea, SV 308 / Act II: Son rubini amorosi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49a07f5cce89749c6ddede8e8480f9aea9fb0aac89cbcaee02c6aafd2854bc3. 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/DEF059331323.
L'incoronazione di Poppea, SV 308 / Act III: "Pur ti miro"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x053a6adee11424df032fb96b74052ff66551b617b77676929f2b5ca024167da2. 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/DEF059331341.
L'incoronazione di Poppea, SV 308 / Act I: Seneca, io miro in cielo infausti rai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9f8af1255759266813303d60851a510403da7ab1b1341d0581be1643aa924c. 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/DEF059331311.
L'incoronazione di Poppea, SV 308 / Act I: Come dolci, Signor, come soavi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x091f4615d6b6b8d3537fa240013930ccb100d48fc8a918679fa253bb0ba45ee0. 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/DEF059331313.
L'incoronazione di Poppea, SV 308 / Act II: Eccomi trasformato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e6d930979e57e8424b36a48dec813fc0f31a55c76a05b86a96e19181630bf8. 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/DEF059331330.
L'incoronazione di Poppea, SV 308 / Act II: Forsennato, scellerato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd7ad2c9ce84f49b6fc091a337db492bbee960b3aacc8450a968ed361c694b6. 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/DEF059331331.
L'incoronazione di Poppea, SV 308 / Act II: Dunque amor così comincia ?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x031d61a408ae69fc1eea77994e04d4e0df86db9d05ccaba00cf703e6f28f66a5. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/DEF059331321.
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
L'incoronazione di Poppea, SV 308 / Act I: Madama, con tua pace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd38df2bf56388d4e418bfcec080518cbf5b6ee9941f1c716fdcd3321911dc03b. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/DEF059331309.
L'incoronazione di Poppea, SV 308 / Act III: Scendiam, scendiam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a2ceb1abe1248a34fd42f232a4c8177995ecece517a1e65f733d6b3b67c2ea. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/DEF059331340.
L'incoronazione di Poppea, SV 308 / Act II: "Felice cor mio" - "Nutrice, quanto pagheresti" - "Il Giorno femminil"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e95d6b54bd90e7e5dffd8654b47c2cf382c4ef88689bda33546aca90502ad6. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/DEF059331325.
Herz und Mund und Tat und Leben, Cantata BWV 147: No. 10 Jesu, Joy of Man's Desiring (Arr. by Guillermo Figueroa)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf44f17face4e4c33be02ca03fbe1b077c2872a698d04b8ed7b204dd84b6421b. 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/DEF058902750.
Le nozze di Figaro, K. 492: Overture - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc762929c79a3c174abbec318f09f7a9e21f86b96de8224c9da82b7dbc9366d60. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/DEF059330301.
Le nozze di Figaro, K.492 / Act 2: "Tutto è come io lasciai"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe55056c7d6616c2b202f34823b6307297d11fc00f85ac9a82ccb00566ad6421. 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/DEF059330349.
Le nozze di Figaro, K.492 / Act 1: "Se a caso Madama la notte ti chiama"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0383acab787b80bff47aab9375fc7759b8722ad8bbd23ce0dd295ff85fac68. 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/DEF059330305.
Le nozze di Figaro, K.492 / Act 2: Susanna, son morta (Contessa, Susanna, Conte)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ec90ea15a2cd897fb40f769185ace069567f4516dcd47c116f0af696ff7a62. 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/DEF059330352.
Le nozze di Figaro, K.492 / Act 1: Bravo, Signor padrone! (Figaro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd19298138db1d5e407573687396daff945ecb7c1cbc9d71a32cf669928e43405. 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/DEF059330329.
Le nozze di Figaro, K.492 / Act 1: "Ed aspettaste il giorno fissato a le sue nozze"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e429be475877bf9a5301aabfe60a3f66e1739454f81bc8b55a01886e34dda59. 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/DEF059330330.
Le nozze di Figaro, K.492 / Act 1: "La vendetta, oh, la vendetta"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x926b96efb8e8f7574e561e5c212825f2551db9ab14cdb4ec04e5a72977ddeed8. 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/DEF059330311.
Le nozze di Figaro, K.492 / Act 1: "Tutto anchor no ho perso"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1bdf8e411b6f9f0e70dd6fa699aa844cdb58353afd79fd63d0a17ea21d8552. 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/DEF059330331.
Le nozze di Figaro, K.492 / Act 3: "Che imbarazzo è mai questo" - "Via, fatti core"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14eeb22a23e6c3408ef9d1164e4978bf642ab46bcdd911e5dcc49c001224eb1. 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/DEF059330357.
Le nozze di Figaro, K.492 / Act 1: "Via resti servita, madama brillante"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e239aaafdeb822c0a7aea528fe247663112e85c4efe670ce90be68ec1dd2275. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-22T05:36:21Z), 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/DEF059330332.
Le nozze di Figaro, K.492 / Act 3: "Crudel! perchè finora" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bec094a9bd9f20c276ddf7c8845e3ef7884497c0db3c4c519e899727dcc1d57. 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/DEF059330318.
Le nozze di Figaro, K.492 / Act 1: "Non so più cosa son, cosa faccio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83eba8ea03fb27f1e215cfcd6c8f7fd975bd5d4d844542ba4ea414870f94829f. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/DEF059330312.
Le nozze di Figaro, K.492 / Act 3: "Vedro mentr'io sospiro"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e87a1cedcbdff0c5542d39c098615f54d3ac667423595a5a5d25d92845a44f. 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/DEF059330360.
Le nozze di Figaro, K.492 / Act 1: Giovani liete, fiori spargete (Coro) (I)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7860bade1732019e91a1aaed31e9c90995b0f96a1d9deba1c51101c3e8b925f5. 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/DEF059330313.
Le nozze di Figaro, K.492 / Act 1: Cos'è questa commedia? (Conte, Figaro, Susanna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0bc325ae22cadba41eab2f6abf2298591b649cd62d59064629fe06cdd025cd. 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/DEF059330337.
Le nozze di Figaro, K.492 / Act 1: "Non più andrai"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b840e235f9f4e4ae8c7c73f0314db9d9440c5785d44486bf4384223037d54b2. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:14:21Z), 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/DEF059330306.
Le nozze di Figaro, K.492 / Act 2: Vieni, cara Susanna (Contessa, Susanna, Cherubino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93365d9196b47c2a02fb73e14e0469fd901d5788dcc8e0b99e0cbcacfa3bf312. 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/DEF059330340.
Le nozze di Figaro, K.492 / Act 2: "Aprite, presto, aprite"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048debf87b2e797d96220709730670244cb6be2f439d0e15dfc23067330bb921. 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/DEF059330347.
Le nozze di Figaro, K.492 / Act 2: Oh guarda il demonietto! (Susanna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd518672e2c6435f9169ff1bbf23373a44adb1b62e372672df5e1eb124f7ec7e4. 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/DEF059330348.
Le nozze di Figaro, K.492 / Act 3: "Andiamo, andiam, bel paggio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeea5beb593118599633267d185a9242f420fd5f5bb5ae5298aaec536680a879. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEF059330361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x581741e55d994b60d91d02ae0c51a6af5787c07a274d8a52d6f3d4b956c9c927. 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/DEF059730301.
Kinderszenen, Op. 15: VII. Träumerei - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee518decec5d4103444d3417279120fdf08c49a0cb91393fba63f21cbb51713a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEF058600310.
Dichterliebe, Op. 48: I. Im wunderschönen Monat Mai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a743935eb8b88cb4de2f257eb28e009b17296695e6b8024e6466104858925e5. 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/DEF056530801.
Dichterliebe, Op. 48: III. Die Rose, die Lilie, die Taube, die Sonne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3e2e12de672fbdae3685f481be358cf2278692e1a25153a100af2180c78ef4. 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/DEF056530803.
Dichterliebe, Op. 48: VII. Ich grolle nicht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdcc8dfd9dc59fe99f4a88c9d2dae5962781d1ffc55c1bc2600ef23679b6e449. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEF056530807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2fc734d8a9cbf1af1c83fb25c245bcf7ab5561409d27b46580ab2546187abf. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEF059530843.
Schumann: Das Paradies und die Peri; Requiem für Mignon; Nachtlied
Requiem für Mignon aus Goethes "Wilhelm Meister", Op.98b For Soloists, Chorus And Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe344d604ab2ed7e498f3fc103aadfeca8bb7afc38924107d8cfe52aee6461904. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/DEF059704740.
Das Paradies und die Peri / Part Two: No. 10 "Die Peri tritt mit ... Gern grüßen wir"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6ed04e515c0eb47aebcf3100330e4226f5ff878886bba7286a0d41d5364a098. 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/DEF059730710.
Das Paradies und die Peri / Part Two: No. 11 "Ihr erstes Himmelshoffen ... Hervor aus den"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4187acbd794f6645b57fd1195bf024bc3156a1e0e2b8fbdc77dd267d4d3a3f62. 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/DEF059730711.
Das Paradies und die Peri / Part One: No. 2 "Wie glücklich sie wandeln, die sel'gen Geister"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3275d0c034d23310a939d93e90134c6bf1de99e2ef85fa5b913a75a6189441d0. 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/DEF059730702.
Das Paradies und die Peri / Part Two: No. 17 "Schlaf nun und ruhe in Träumen voll Duft"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dc83ae2700112c7a5b267bf6c12e544a9082183aa55bf78d208a77ef517c6c5. 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/DEF059730717.
Das Paradies und die Peri / Part One: No. 8 "Weh, weh, weh, er fehlte das Ziel"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734b1c3f330d1f03492b29bc0253db0c5c19f1a05047b7a6e43120a60de18060. 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/DEF059730708.
Das Paradies und die Peri / Part One: No. 9 "Die Peri sah das Mal ...Sei dies,mein Geschenk"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b7a03ade67cea6d68ae19243c212faf0d28effccf5017fb356d9f4aaed99ca. 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/DEF059730709.
In dulci jubilo. Eine sächsische Weihnacht der Spätrenaissance
Schumann: Complete Symphonies; Das Paradies und die Peri