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 0x7e74b2a58ffafe09649e8f8e5f7299b4efd0c764d37956b1b5fddb293c722a84. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b7172095-e469-4e32-9939-be907893dbb2.json and https://artists.proofprofile.net/proofs/artist/b7172095-e469-4e32-9939-be907893dbb2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x2b5dabc2e5c289ac657e846a94253dde92fae4ef288f292823344dff414c14f3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532501.
Die Zauberflöte, K. 620, Act II: No. 12, Wie? Wie? Wie?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb9cf048afe770ce5ef17704b4f9b1332d06c2fee42294abd8089f59c33648f. 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/DEN960532522.
Die Zauberflöte, K. 620, Act I: No. 1, Zu Hilfe! Zu Hilfe! - Dialogue. Wo bin ich?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0376d857eedbfb7cd0dca93faf069880d79bf8ec9790999af08c66a4f2e760. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/DEN960532502.
Die Zauberflöte, K. 620, Act II: Dialogue. Heil dir, Jüngling - Ha, da find' ich ja die Spröde
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ed259b447310d279e71a40bf8af35d52c73acc41567c70da419aae23e1828a. 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/DEN960532523.
Die Zauberflöte, K. 620, Act I: No. 2, Der Vogelfänger bin ich ja - Dialogue. He da!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b71d4a8f9fa177b04c32456929de2e15ecd25d950bc194fc1fb73cbe11cdb1f. 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/DEN960532503.
Die Zauberflöte, K. 620, Act II: No. 13, Alles fühlt der Liebe Freuden - Dialogue. Zurück!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0607abc2b14bec8197e2d702c0615100c74eb252a4229cf790746487dd9c88d6. 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/DEN960532524.
Die Zauberflöte, K. 620, Act I: Dialogue. Papageno... Ah! das geht mich an!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46e4c8a71bb0fc45a26ed1fc260fed3eab1d2a536fd79e24c3c1354ece14f03. 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/DEN960532504.
Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b6d19c61be256ac9bdaa2ce4741cf09975018face7de202889551778564f07. 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/DEN960532525.
Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ba75244da65808c29cb5cb78adb5b9c4d889e6b90f1c3b2cb80ddfeaf536a2. 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/DEN960532505.
Die Zauberflöte, K. 620, Act II: Dialogue. Morden soll ich?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8334510ff078e457d7bc289d39c9b356cf8205c9c5ecf8cdf3e707491929a4d3. 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/DEN960532526.
Die Zauberflöte, K. 620, Act I: Dialogue. Freue dich und fasse Mut, schöner Jüngling
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783cd2b98dc34c61aed7be9a76850ce59183f3853fdf55eb64b6df5bdc944ec9. 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/DEN960532506.
Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x078011655990f709b2a6572bea054b96048682b7bb40f6afd5eaa0e0127b541d. 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/DEN960532527.
Die Zauberflöte, K. 620, Act I: No. 4, O zittre nicht, mein lieber Sohn! - Dialogue. Ist's auch denn Wirklichlkeit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b93626074d1f098ff761e23de7641567bbf60ea27e75fee2e1ec52777811ae4. 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/DEN960532507.
Die Zauberflöte, K. 620, Act I: No. 5, Hm! hm! hm! hm!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f431e0e1513f1266d04aad8bd57f5872bccbacb9b9c9d3736e453e05c32f854. 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/DEN960532508.
Die Zauberflöte, K. 620, Act II: No. 16, Seid uns zum zweiten Mal willkommen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80c2c6e48ac24dbb1cafe4912ded1a8b6ced2e94c88862d04fcaacacba4f5e7. 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/DEN960532529.
Die Zauberflöte, K. 620, Act I: Dialogue. Ha, ha, ha! - He, Sklaven!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f034bfed41fd25d31687577dd6fdba9af766e295a2d4cc39279f3dcd8ba3fb9. 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/DEN960532509.
Die Zauberflöte, K. 620, Act I: No. 6, Du feines Täubchen, nur herein
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd7f129aab7dc1ba8fbdf7163067c387e94c82d3321ac8a9fcd042852b96c00. 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/DEN960532510.
Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x941c049ca64d16db86aa2d82ca0d4d48d44a60165bebd8728f74cd46182d877c. 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/DEN960532531.
Die Zauberflöte, K. 620, Act I: Dialogue. Bin ich nicht ein Narr
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8734b13d3be1dce2b0022bf157d6838d39f5686bfc5c82c22fc0c2d517f4324. 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/DEN960532511.
Die Zauberflöte, K. 620, Act II: Dialogue. Nicht wahr, Tamino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57893efa3801e45f0ebe3d0725267d2d19c8b2625593cb6a84aede6e83f9e11f. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEN960532532.
Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef2f0bb55fef0c156432c0cd8882dbf381e1321e5f203f307e790e11de79746e. 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/DEN960532512.
Die Zauberflöte, K. 620, Act II: No. 18, Chorus. O Isis und Osiris, welche Wonne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6825dad032389e3cabcb1fbeefa11ba18d8a90dbaad22f2b3c7abb6e88a3019f. 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/DEN960532533.
Die Zauberflöte, K. 620, Act I: No. 8, Finale: a-c. Zum Ziele führt dich diese Bahn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75f1fefabd06d81a3d9382a52e857cf737ba3c90172571d14f13ee0c64ef777b. 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/DEN960532513.
Die Zauberflöte, K. 620, Act I: No. 8, Finale: d. Wie stark ist nicht dein Zauberton
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a1edd7a7cad906ebc96480a063e6fb8ad69725b01d027839031c9dffcf7da13. 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/DEN960532514.
Die Zauberflöte, K. 620, Act II: No. 19, Soll ich dich, Teurer, nicht mehr sehn?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d28fe189646de789e7c0e5697bd0f4f3e461a95b4d2f2eafa954710db9ed02. 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/DEN960532535.
Die Zauberflöte, K. 620, Act I: No. 8, Finale: e-f. Schnelle Füße, rascher Mut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ecee34f5d117ba6a9f3e018b1a7bc84bdb4e7649a66f7ba92cdbc08e7c60888. 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/DEN960532515.
Die Zauberflöte, K. 620, Act I: No. 8, Finale: g-j. Es lebe Sarastro!... Wenn Tugend und Gerechtigkeit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc431445de3651309c3a91bf817909d2e086269a1ba86fea10e3580005bb9c412. 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/DEN960532516.
Die Zauberflöte, K. 620, Act II: No. 20, Ein Mädchen oder Weibchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa342eff4fd49b1445a05aa83d8fcf4b7f2a825b5a97162e6f28e7011f6af29e8. 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/DEN960532537.
Die Zauberflöte, K. 620, Act II: No. 9, Marsch der Priester
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46db60f23f48ce40f42f79bf74d2bb84d3bda05e0074430cf4a1bf87a955ac03. 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/DEN960532517.
Die Zauberflöte, K. 620, Act II: Dialogue. Ihr in dem Weisheitstempel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea843e534961826f58ecd7ef4b0777ed607187f3b1b053396c4de245113492d. 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/DEN960532518.
Die Zauberflöte, K. 620, Act II: No. 21, Finale: a-b. Bald prangt - Du also bist mein Bräutigam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x696b1bc0d238ca9819f54ff709681c4496003fafdd53a94c6846b4d4d92e350e. 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/DEN960532539.
Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64fba30c07774c5e53157b158f9b3e7fc8ae29b651aba8e4c1fb570b7f32541. 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/DEN960532519.
Die Zauberflöte, K. 620, Act II: No. 21, Finale: c-e. Der, welcher wandelt - Tamino mein - Wir wandelten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ddc15b885adb95fb190aa98235da3999357f22d6252c8b0437eb90e55b506da. 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/DEN960532540.
Die Zauberflöte, K. 620, Act II: Dialogue. Eine schreckliche Nacht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91340b7457384709326068084d480fb83da2510c3ddd62d42e044537b608057d. 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/DEN960532520.
Die Zauberflöte, K. 620, Act II: No. 21, Finale: f-g. Papagena! Weibchen! Täubchen! - Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x584493ebfeedc532b484675f312213030cefb66e6d5f3a3988ff9a834c172160. 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/DEN960532541.
Die Zauberflöte, K. 620, Act II: No. 11, Bewahret euch vor Weibertücken
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacf123365435536e08552b1869ae1baa57c3fd52d57032fffea770ee4f5fad2c. 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/DEN960532521.
Die Zauberflöte, K. 620, Act II: No. 21, Finale: h-i. Nur stille, stille - Die Strahlen der Sonne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b4dbb0db15add3cc60341d3db685581d2129331c00ab1d138cd745c49bdc352. 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/DEN960532542.
Schmidt: Buch Mit Sieben Siegeln (Das) (The Book With Seven Seals)
Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9653f332b92f685763a5e57541d29101e66af3677f8460845b17a3b306e4a8c4. 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/DEN960601733.
Symphony No. 35 in D Major, K. 385 "Haffner": IV. Presto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1781561f873d878a7bee2d7a2c83722ffe38c9871ecb47d589fcc25b2f17c19. 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/DEN960601734.
Symphony No. 29 in A Major, K. 201: I. Allegro moderato - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39eea705b81ff990336dcba7fe055390c133df38663b851c1099740b4c9b0779. 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/DEN960601721.
Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaddc260547666eed3364a3b3a23743754342c61eadccb6ecc0302687ab43ffe9. 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/DEN960601724.
Symphony No. 33 in B-Flat Major, K. 319: I. Allegro assai - Live
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Symphony No. 33 in B-Flat Major, K. 319: II. Andante moderato - Live
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Symphony No. 33 in B-Flat Major, K. 319: III. Menuetto - Live
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Symphony No. 38 in D Major, K. 504 "Prague": I. Adagio - Allegro - Live
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Piano Concerto No. 8 in C Major, K. 246 "Lützow": I. Allegro aperto
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Piano Concerto No. 8 in C Major, K. 246 "Lützow": III. Rondeau. Tempo di menuetto
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Die Schöpfung, Hob. XXI:2 - Oratorium für Solostimmen, Chor und Orchester, Vol. 2
Die Schöpfung, Hob. XXI:2 - Oratorium für Solostimmen, Chor und Orchester, Vol. 1
Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Gloria: Gloria in excelsis Deo
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Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Gloria: Qui tollis peccata mundi
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Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Gloria: Quoniam tu solus sanctus
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Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Credo: Credo in unum Deum
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Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Credo: Et resurrexit
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Mass No. 7 in B-Flat Major, Hob.XXII:7, "Missa brevis Sancti Joannis de Deo", "Kleine Orgelsolomesse" (Little Organ Mass): Kyrie
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Mass No. 7 in B-Flat Major, Hob.XXII:7, "Missa brevis Sancti Joannis de Deo", "Kleine Orgelsolomesse" (Little Organ Mass): Gloria
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Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Kyrie
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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
Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Credo: Et incarnatus est
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Mass No. 11 in D Minor, Hob.XXII:11, "Nelsonmesse", "Imperial Mass", "Coronation Mass": Benedictus: Benedictus qui venit
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Mozart: Die Zauberflöte ((The Magic Flute): Famous Scenes
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Die Zauberflöte, K. 620, Teil I: 1. Auftritt. Nr. 1 Introduktion. Aria: "Zu Hilfe! Zu Hilfe!" (Tamino, die drei Damen)
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Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt - No. 14, Arie "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Die Zauberflöte, K. 620, Teil II: 29. Auftritt. Duetto: "Pa - Pa - Pa" (Papageno, Weib)
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Lehár: Die lustige Witwe (Live at Royal Festival Hall, 1993)
Schubert: Lazarus, Oder Die Feier Der Auferstehung, D. 689
Kyrie: Classical Music for Reflection and Meditation
Lehar: Die lustige Witwe & Strauss: Waltzes
Mozart: Die Zauberflöte (The Magic Flute)
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Die Zauberflöte, K. 620, Teil I: No. 1, Introduction "Zu Hilfe: Zu Hilfe!" (Tamino)
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Die Zauberflöte, K. 620, Teil I: No. 2, Aria "Der Vogelfänger bin ich ja"
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Die Zauberflöte, K. 620, Teil II: No. 20, Arie "Ein Mädchen oder Weibchen" (Papageno)
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Die Zauberflöte, K. 620, Teil II: No. 11, Auftritt (Die drei Damen, Papageno, Tamino) - No. 12, Quintett "Wie? Wie? Wie?" (Die drei Damen)
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Die Zauberflöte, K. 620, Teil II: No. 13, Arie "Alles fühlt der Liebe Freuden" (Monostatos)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt - Beide "Schnelle Füße, rascher Mut" (Papageno, Pamina)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina, Monostatos) - "Ha, hab ich euch noch erwischt" (Monostatos)
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Papageno, Pamina) - Chor "Es lebe Sarastro" - Auftritt (Pamina, Sarastro) - Chor "Es lebe Sarastro"
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Die Zauberflöte, K. 620, Teil I: No. 8, Auftritt (Monostatos, Tamino, Pamina, Sarastro) - Monostatos "Nun stolzer Jüngling, nur hieher!"
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Die Zauberflöte, K. 620, Teil I: No. 5, Auftritt (Drei Sklaven) - "Ha, ha, ha!" (Dritter Sklave) - Auftritt (Drei Sklaven, Monostatos) - "He Sklaven!" (Monostatos)
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Die Zauberflöte, K. 620, Teil I: No. 5, Auftritt (Monostatos, Pamina) - No. 6, Terzett "Du feines Täubchen, nur herein" (Monostatos) - Auftritt (Papageno, Monostatos) - "Wo bin ich wohl?" (Pa
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Die Zauberflöte, K. 620, Teil II: No. 13, Auftritt (Königin, Pamina, Monostatos) - "Zurücke!" (Königin)
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Die Zauberflöte, K. 620, Teil II: No. 14, Auftritt (Pamina) - Auftritt (Pamina, Monostatos) - Auftritt (Monostatos, Sarastro) - Auftritt (Pamina, Sarastro) - "Herr, strafe meine Mutter nicht"
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