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 0x103159a19c3fc66baf533135e31aa6f9818cec3ed72028791326c9a3619b96d7. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f4767438-e344-4d83-b191-55d3b61d3e74.json and https://artists.proofprofile.net/proofs/artist/f4767438-e344-4d83-b191-55d3b61d3e74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Verdi: Aïda (Bayerische Staatsoper Live)
Massenet: Werther (Bayerische Staatsoper Live)
Richard Strauss: Die schweigsame Frau, Op. 80, TrV 265 (Live)
Strauss: Der Rosenkavalier, Op. 59, TrV 227 (Live)
Verdi: La traviata (Bayerische Staatsoper Live)
Richard Strauss: Historical Recordings, Volume 4
Exsultate, jubilate K165/158a (2008 Digital Remaster): Tu virginum -
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 0xef31109a2a3b1175ccd7a3a0e717f9992def76e7e3b89e2f454cf0a26a5d2257. 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/GBAYC0703875.
Mozart: Die Zauberflöte, K. 620, Act 2: Aria. "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ff993328d2cd676e6459a3d408b85090d9bf90c3af32a8220689400c8bc57f. 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/GBAYC0001134.
Classical Masterpieces of the Millennium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7905e6a3ab555967d056e41e744ffe61a5237572e85e357f67e01119616da2f3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/US5541304492.
Beethoven: Fidelio, Op. 72 & Leonore Overture No. 2, Op. 72a
R. Strauss: Der Rosenkavalier (The Knight of the Rose), Op. 59, TrV 227
Der Rosenkavalier, Op. 59, TrV 227, Act III: Act III: Inroduction
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf3a36094d79a1efa44afc6ae8d8a432048e2e9606b2c40ba8a17efc1e6a6be. 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/DEB950858143.
Der Rosenkavalier, Op. 59, TrV 227, Act II: Act II: In dieser feierlichen Stunde der Prufung (Sophie, Marianne, Three Runners)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9681f755770cd2db96ac504eaedd63cb9562741c31f96e9969ddbef3d2d63c. 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/DEB950858126.
Der Rosenkavalier, Op. 59, TrV 227, Act II: Act II: Ich kenn Ihn schon recht wohl, mon Cousin! (Sophie, Octavian)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef0f2136a1da75e46f7e25bdde746aa09b50ae7f0609a93d387eeb954a688a2. 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/DEB950858128.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Macht das einen lahmen Esel aus mir? (Baron, Marschallin, Octavian)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd75ce5e6de1e863d3a1115d481a72d6dab9255177d7195f525b4fb453ae2bf9d. 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/DEB950858108.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: I komm' glei! (Octavian, Orphans, Milliner, Animal Vendor, Marschallin, Valzacchi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25937a14d043895dbf18e51d7ff6e39f2d5a9056f3f69cd6b2797cf5b1951326. 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/DEB950858111.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Die swarze Seitung! (Valzacchi, Marschallin, Waisen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278e46fab3bcbd8926455ffdc76deede0568e38ddc55535dc0bb6851c14c9b13. 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/DEB950858112.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Di rigori armato il seno (Singer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a3f094598127def79ba1dbcce8b6b08e983d385c04e89886ddfb4990a65f173. 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/DEB950858113.
Der Rosenkavalier, Op. 59, TrV 227: Introduction
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303c1c470c22970c48c014eed4f272d34dd9145f0ab9c32c9b1bc9ff93156418. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB950858101.
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
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Wie du warst! Wie du bist! (Octavian, Marschallin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adf0d3051d32103cf7c6d8a83a8cf87a58adf13fdf3b80ff7931fec2703a329. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/DEB950858102.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Du bist mein Bub, Du Bist mein Schatz! (Marschallin, Octavian)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd75c70fe76c0ba57c499a9725ee5ffe9459fe64a27ed1430abf7ee23c6fade0a. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/DEB950858103.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Der Feldmarschall sitzt im krowatischen Wald (Octavian, Marschallin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c158ed464b822da01ff0d3130c11ecfe3246469b2f4bafbd7a9452bb99cf541. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DEB950858104.
Der Rosenkavalier, Op. 59, TrV 227, Act II: Act II: Mir ist die Ehre widerfahren (Octavian, Sophie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c3ca52184e6240b1171a5d15f32b0127ff97cc0f90fc9d23342fa0fe5dae201. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/DEB950858127.
Der Rosenkavalier, Op. 59, TrV 227, Act I: Act I: Quinquin, es ist mein Mann! (Marschallin, Octavian, Marschallin's Majordomo, Baron)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf76e45faed3b81981a67c76865879e3670289a645de2165f727c3218552c6335. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/DEB950858105.
Der Rosenkavalier, Op. 59, TrV 227, Act II: Act II: Herr Kavalier! (Annina, Baron)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3b094415bcf02e309154e7cd0b07afff52c6505a8cde2fdc45a2c6e7cec74d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEB950858142.
Wagner: Die Feen, Das Liebesverbot & Rienzi (Bayerische Staatsoper Live)
Wagner: Die Meistersinger von Nürnberg: Vorspiel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7085ab2e49f4c2e4e64fb4e0495c8c0b4cc9797e2e2437463c4ce6a6949ce8dd. 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/GBAYC9302413.
Wagner: Die Meistersinger von Nürnberg, Act 3: Prelude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8d4eb2f04def71a185b71aa297482dbf30cd6caae8e904150fd457addbc000e. 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/GBAYC9302460.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Da zu dir der Heiland kam" (Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9efb67471ac44943e4a5f83ab27d8ec99b0b5d59f71ed03f0ffbb6c09e9e3ca7. Chain 2 (Bitcoin): anchored in block 958041 (2026-07-14T18:13:17Z), 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/GBAYC9302416.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Verweilt!" - "Ein Wort!" (Walther, Eva, Magdalena)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72e1bbf4adb69ca4cd1bccb70e778906bb5b78d7e9e985abfbd3cd6255ac5ba. 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/GBAYC9302417.
Wagner: Die Meistersinger von Nürnberg, Act 1: "David! Was stehst?" (Chor, David, Walther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b320ef8d1b209ea3855e9b4c2cf572238491da62c1f4065a9c68211b4263955. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-22T18:11:44Z), 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/GBAYC9302420.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Johannistag! Johannistag!" (Chor, David, Magdalena, Sachs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d90e70ef0c03a25141cc12e56e01988cce97c31b8f191cc4f99bd1f6bc92610. 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/GBAYC9302438.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Laß seh'n, ob Meister Sachs zu Haus?" (Pogner, Eva, Magdalena)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9a29136665ccda3e9d97a337c1787db7b76ec5d8dbb8f88553172ee3956c3c1. 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/GBAYC9302440.
Wagner: Die Meistersinger von Nürnberg, Act 3: "Mein Freund! In holder Jugendzeit" (Sachs, Walther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2448e6685ceae6ed40208eafd80f9e82be8473663e9e441c29beb375e57ce9. 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/GBAYC9302467.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Der Meister Tön' und Weisen" - "Damit, Herr Ritter" (David, Walther, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722dfced27f3cc5dd6dd0f3b4fd5d5d45c5fe6828f098f8d74891c1d461d3824. 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/GBAYC9302422.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Zeig' her!" - "'s ist gut. Dort an die Tür'" (Sachs, David)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8766c26f6c278354fd9e170c82629ff0816c71bacb5385c66c437a9dc1686414. 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/GBAYC9302442.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Aller End' ist doch David der Allergescheit'st!" (Chor, David)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f82354cbd6d7fe846745ad752854530d3fb68ac39f01c736451a8dda18fda53. 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/GBAYC9302423.
Wagner: Die Meistersinger von Nürnberg, Act 3: "Abendlich glühend in himmlischer Pracht" (Walther, Sachs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c268a213f91e2b533ba19c0273c997af17d9658f76c6bb6005241857237fdd. 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/GBAYC9302469.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Das schöne Fest, Johannistag" (Pogner)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001c43820d162ab9d2643cb024c9ffd1ef6ac6d7c40ac25ff61c79dbc713f4e3. 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/GBAYC9302427.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Da ist er!" - "Ja, ihr seid es" (Eva, Magdalena, Walther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x798bc7d770287afaf7dacf5af9fe8e8cf8bddf879a0eb3add9234ebf520d27ff. 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/GBAYC9302448.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Eva, mein einzig Kind, zur Eh'" (Chor, Vogelgesang, Sachs, Kothner, Nachtigall, Beckmesser)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c802b1a6b600452312da5d45ce4db3cb9d91b8d651dd867e696e55a4d65b01c. 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/GBAYC9302428.
Wagner: Die Meistersinger von Nürnberg, Act 3: "Weilten die Sterne im lieblichen Tanz?" (Sachs, Eva, Walther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cafe3a230e00a622844e5a46843437194ea25a3cac40eab739332bc4a0e0f76. 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/GBAYC9302476.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Am stillen Herd in Winterzeit" (Walther, Sachs, Beckmesser, Kothner, Vogelgesang, Nachtigall)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f987c6378665440b4d4393b59603d4e40aa4769505b04b0c0fadc9b20fee01. 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/GBAYC9302430.
Wagner: Die Meistersinger von Nürnberg, Act 3: "Hat man mit dem Schuhwerk nicht seine Not!" (Sachs, Eva)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6bd333287e5f1ea75e574fdd634546f2f9b0011c7e4d67bd2261d3dbfebed6f. 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/GBAYC9302477.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Merkwürd' ger Fall" (Beckmesser, Walther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3769aaa9b449920ff854321b45623bc5a7c71eeb5afbc951e4dca5ed3a3a7c6. 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/GBAYC9302431.
Wagner: Die Meistersinger von Nürnberg, Act 3: "O Sachs! Mein Freund! Du teurer Mann" (Eva, Sachs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8999577c46b61b7c6f451481bbe2ca1b72f3b5beb250e3bb4a865fd1e492181e. 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/GBAYC9302478.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Das Fenster geht auf" (Sachs, Beckmesser, Walther, Eva)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67969a713793a0be89ffcf24c8b515b96a6594f5a915f29c8d3f8a13eb6c0ccd. 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/GBAYC9302454.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Seid ihr nun fertig?" (Beckmesser, Sachs, David, Walther, Pogner)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9295fc31dac2289b9c8926e82e75b7c0b89518e1641e715fe5e1ed19ab779ab0. 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/GBAYC9302456.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Seid Ihr nun fertig?" (Beckmesser, Walther, Pogner, Chor, Kothner)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d147dc560806f8439a9a26b3d5fc207b89224aff052ad6ce6eab868ab6d928. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBAYC9302433.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Halt! Meister! Nicht so geeilt!" (Sachs, Beckmesser, Nachtigall, Kothner, Pogner, Walther, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb241dc8aa1d15e944df22f427c1c14cc4758986c316061aff48a1cbe8a7d40. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/GBAYC9302434.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Ihr mahnt mich da gar recht" (Sachs, Beckmesser, Nachtigall, Kothner, Pogner, Walther, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe78a00bc692d7860ea630feaae32f824585b23dfbdd1f60c33ed93a58b60ae7e. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBAYC9302435.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Gott grüß Euch, Meister!" (Sachs, Vogelgesang, Beckmesser, Nachtigall, Kothner, Pogner, Ortel, Zorn, Moser, Chor, David, Eisslinger, Foltz, Sch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8905ebb4a74abad1d7f9dd3d17fa17066edfd92621ed69d26177762df435bb9a. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/GBAYC9302426.
Wagner: Die Meistersinger von Nürnberg, Act 1: "Dacht' ich mir's doch!" (Beckmesser, Chor, Kothner, Pogner, Nachtigall, Sachs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29fd963178d633204306c9d60fb39c6e1476e8c097aa5ab8728c813660d2031. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/GBAYC9302429.
Wagner: Die Meistersinger von Nürnberg, Act 2: "Ach, Himmel! David! Gott, welche Not!" (Beckmesser, Sachs, David, Walther, Pogner, Magdalena, Chor, Nachtwächter)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fad18ce95604dccc5e3490a476a443e18d53fe8ad75bf2fa1bd05ca192f5994. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBAYC9302458.
Nein, nein! I trink` kein Wein (Der Rosenkavalier)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeed580de76297a0b8f62dac28b74d9f0cd30b9579d5774fd558771cdf51747e. 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/ATP139621837.
Bizet: Carmen, WD 31, Act 3, Scene 1: "Je dis que rien ne m'épouvante" (Micaëla)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dd6b5a2f3d21f489d3d3117b42f34776027e3a16e1b30d1c4e22af7a9c7555a. 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/DEA809523354.
Bizet: Carmen, WD 31, Act 3, Scene 1: "Quant au douanier, c'est notre affaire !" (Frasquita, Mercedes, Carmen, Chœur, Le Remendado, Le Dancaïre)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0f5f5be5eb85dbb4f4b1f87090c220ba323b405bd1391613670b54fb7c144a1. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/DEA809523352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632f287b367bc9567e652a8061e792682e66d6221e19388b5091b2c05a45aaf5. 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/GBAYC8100275.
Die Zauberflöte, K. 620, Act I Scene 1: Zu Hilfe! Zu Hilfe! (Tamino, Damen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53db4a0298a749d645ecc882f31e5fcd50a222b2777034ca11229b6034d0a68c. 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/GBAYC8100277.
Die Zauberflöte, K. 620, Act I Scene 1: Der Vogelfänger bin ich ja (Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1728e4d28e8ac55b1dfc571e1bd82e220caab86187c94eac07024533d0b56c24. 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/GBAYC9704971.
Die Zauberflöte, K. 620, Act I Scene 2: Drei Knaben, jung, schön, hold und weise (Tamino, Papageno, Damen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x310ec5c81e932b37e359574bb852ec4659e7cad9e9f4c5bbda8e7b4d342bd534. 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/GBAYC8100288.
Die Zauberflöte, K. 620, Act I Scene 2: Du feines Täubchen, nur herein! (Monostatos, Pamina, Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc546879936c8f0e96529edb09412897fc011da5a50bc8e028839b2ecb92a12. 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/GBAYC8100289.
Die Zauberflöte, K. 620, Act I Scene 2: Bei Männern, welche Liebe fühlen (Pamina, Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f90764d947501942d45b19db6141bc7d53db6d0a30528e17d225c62b8095e1. 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/DEC628600571.
Die Zauberflöte, K. 620, Act I Scene 3: Zum Ziele führt dich diese Bahn (Knaben, Tamino,)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98e952d8586f55987603caddcddf6cbd3ad9acdab68a3658b0c0a34ff0aa9ed. 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/GBAYC8100292.
Die Zauberflöte, K. 620, Act II Scene 1: O Isis und Osiris (Sarastro, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58f495274db0615321125850f80b84108d13cd660397eaf1e7aa92c6c501872a. 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/DEC628600576.
STRAUSS: DER ROSENKAVALIER "KOMÖDIE FÜR MUSIK IN DREI AKTEN"
The Queen of Spades, Op. 68 (Excerpts) [Bayerische Staatsoper Live]