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 0x7d314ca930358e88c508a4283579dbecbd7d1598e650e36bed5e4ec394b7c6fd. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ba6eeb6-d354-47d4-a405-cc8f79170989.json and https://artists.proofprofile.net/proofs/artist/9ba6eeb6-d354-47d4-a405-cc8f79170989.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 0xb83be1841e113b368e4d1d98b05dfb9b2ecb71e6c5aa2ae6a8b02439042ae21e. 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/GBF076040519.
Eugen Onegin staring Dietrich Fischer-Dieskau
Mozart: Die Entführung aus dem Serail; Turkish March; Opera Arias (Remastered 2024)
Salome op. 52 starring Maria Cebotari live her only complete Recording
Mozart: Le nozze di Figaro, K. 492 (Sung in German) [Remastered 2022] [Live]
Irmgard Seefried (Recorded in 1944-1967)
Beethoven: Fidelio (Live Recording 1951)
Strauss II, J.: Die Fledermaus (Gala Performance)
Karajan A-Z: Johann Strauss - Josef Strauss
Der Zigeunerbaron: Overture - Recorded 1942
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a775533a99a0d1b67eb994a50cd0c268819e42efa58fb98e2249a2c16e0a1f. 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/DEF054202020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af4fd9be5eb639e9b376ee0ae2a9e2b58771e1d16cd607cc5d97fe316bf49fd. 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/GBF076010170.
Der Zigeunerbaron: Overture - Recorded 1959
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4267fd2c8a848bfd1a9106f2451415555a96c89c4b2bef8215b07a6260bab6fa. 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/GBF076010180.
Auf der Jagd, Polka, Op. 373 - Recorded 1959
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x932c0fcaf9c18f85799975fb8d1d6c5ef8799ae6212eb4a9f2f186eee64d56cf. 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/GBF076010190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c0f4051dd87d901c5a313e18519d4b0287d27982d3ffd8fbdf4a8a9c715e0fd. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056604130.
An der schönen blauen Donau, Waltz, Op. 314 - Recorded 1980
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4de45670fc2cf86ed266f4805396a8b142deb3161467888e802efc17ba5ea02. 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/DEF058001370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8442f3da3e8ac31a61765b9a917e63c7ad86a6092000722c68fb52b3c83d6d3. 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/DEF058001430.
Der Ring des Nibelungen - Metropolitan Opera 1951 Fritz Stiedry
Richard Strauss: Les grands opéras - La discothèque idéale de Diapason, Vol. 7
Die Sänger der Wiener Staatsoper zur Wiedereröffnung des Hauses
Die Fledermaus: Overture - Recorded 1960
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db40a06e36f44412f754fd338573ba15852b89bcdba1f82eb7d6352d5536917. 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/GBF076040501.
Die Fledermaus, Act I: No. 1, Introduction. Täubchen, das entflattert ist
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb465d6be86e9400a4ae8eca5a4df7c3e8aab0602c6f031073ccafc129cdc05b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA6075120.
Die Fledermaus, Act I: No. 3, Duet. Komm mit mir zum Souper
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f0b22b4456bb7503d7353e9d2b86a2111fc7c15ffff16c5ae75a23155af7d0e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T17:00:26Z), 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/GBBBA6075010.
Die Fledermaus, Act I: No. 5, Finale. a. Trinke, Liebchen, trinke schnell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x503035b6a2cc45b464f9b9f8bfad67018b9b6537e83b185d32fa1a5f3da521d6. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBF076040507.
Die Fledermaus, Act I: No. 5b, Ich höre Stimmen! - No. 5c, Mein Herr, was dächten Sie von mir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d35656408ba396c3d87ec0df3d9fe4f50675d4a11f274b6f674de4eeea6843. 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/GBBBA6075110.
Die Fledermaus, Act I: No. 5, Finale. d. Nein, nein, ich zweifle gar nicht mehr
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7634de9056a843ede78c4a6bc07b179aef76b7567684eb490c7f1213596e8c1. 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/GBF076040510.
Die Fledermaus, Act II: No. 7, Couplet. Ich lade gern mir Gäste ein
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06463be327a7e052a43f1a56c477614ded45a60e0d4084ef183ee7c712a37765. 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/GBBBA6075040.
Die Fledermaus, Act II: No. 8a, Ach, meine Herr'n und Damen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x809937ec204336626b9a18d40e8ba9a6a78abc9d385f9300cc7aba6d27254e3c. 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/GBF076040513.
Die Fledermaus, Act II: No. 11, Finale. b. Herr, Chevalier, ich grüsse Sie!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2916f6b379c055aa89472adcca90959be99f41905416a73a055856c0ec51afc. 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/GBBBA6075080.
Die Fledermaus, Act II: No. 11, Finale. c. Genug damit, genug
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5db185b4c12d403f3a9f676247f672fa50ceac68fc061984dd0ddd989cc0d3a. 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/GBF076040529.
Die Fledermaus, Act III: No. 16, Finale. O Fledermaus, o Fledermaus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09543d5c103ffa5d6f16aefe9de129c1bcd083d92d883a14858f1768d7f2d86a. 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/GBF076040534.
Die Fledermaus, Act III: No. 14, Couplet. Spiel' ich die Unschuld vom Lande
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c20a90476b331045479298bc71e264fb26b5a4fec41098d7848170e71840d14. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/GBBBA6075090.
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
Puccini: La Bohème live conducted by Herbert von Karajan (Live)
La bohème, Act I, SC 67: Questo Mar Rosso - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x466397f213b85082c8fae496119be365327ec9ea87748668d6cbfd7146e28249. 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/USB8U2401617.
La bohème, Act I, SC 67: Abbasso, abbasso l'autore - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa210147277147c455052f132a7c63cb1e0f14441e24e63b60d006235179094d1. 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/USB8U2401618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd3d09a0d61677003430ad6eb9de2823ab6d317ffbf915ebfdcf87ec5f47e6b5. 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/USB8U2401619.
La bohème, Act I, SC 67: Ho pagato il trimestre - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59d62471d7950712b452ee1635f79f1e6b87b7cbf2d13f3155bcb097ff59ba0. 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/USB8U2401620.
La bohème, Act I, SC 67: Che gelida manina! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05af4d9df9dbe69f3b30eab501160c833413c18b43b5cfb8b4d5143216ff9b0c. 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/USB8U2401622.
Classical Chorus: Beethoven, Vivaldi & Purcell
Strauss, R.: Ariadne auf Naxos (Live at Festspielhaus, Salzburg Festival, 1954)
Tristan und Isolde, WWV 90 / Act 1: "Westwärts schweift der Blick"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b713a25b1ed3dd39789e74771342f4f5fb5e9fb0de6cefd72a659b32c3c001c. 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/GBF071741402.
Tristan und Isolde, WWV 90 / Act 1: "Frisch weht der Wind der Heimat zu"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc09edae4273cb9ffdefcc3a6054f1ebdb4897d173b0e231f53f8798228b603d. 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/GBF071741403.
Tristan und Isolde, WWV 90 / Act 1: "Wie lachend sie mir Lieder singen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cac08191b4c8960a5db2faefbad102f8145ecf57c2267b7a9929a73ee6b4763. 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/GBF071741406.
Tristan und Isolde, WWV 90 / Act 1: "Welcher Wahn! Welch' eiles Zürnen!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe67434cf32cd2f8e6a4c845008992c869fd2de8549d291ef9eb324587227fd8e. 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/GBF071741407.
Tristan und Isolde, WWV 90 / Act 1: "Kennst du der Mutter Künste nicht?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc07bb910b5a22268b135b36a9f0a0ff1498a7a5a84d798540ca2cb02fe212d1. 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/GBF071741408.
Tristan und Isolde, WWV 90 / Act 1: "Herrn Tristan bringe meinen Gruß"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6d6855518475b0dc7a9d99e473c7842d14e4d2598de3a30839247ebbab1f40. 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/GBF071741410.
Tristan und Isolde, WWV 90 / Act 1: "Herr Tristan trete nah!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5f2df04be09fc8aa64424431d2b80e8a9864d46c8541840b2ffefce449c15a7. 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/GBF071741411.
Tristan und Isolde, WWV 90 / Act 1: "Was schwurt Ihr, Frau?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc2dd8aca992449bddb7b9726f86c495d7375e36c8d7182a8cbdb5f53b01843. 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/GBF071741413.
Tristan und Isolde, WWV 90 / Act 1: "Dein Schweigen fass' ich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b2e98b84664f81633222e4dc54bbb501292a6664faeea626c88b00573c61f9. 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/GBF071741414.
Tristan und Isolde, WWV 90 / Act 2: "Hörst du Sie noch?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34c70eda948389907d28ebba02f829bfa12a2047365f7479daa61a62c6db2fb7. 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/GBF071741417.
Tristan und Isolde, WWV 90 / Act 2: "Dem Freund zu lieb"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f463548912866b161033417ff921606d4f840b8fcc9d21bb84aa7e2eff9fca. 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/GBF071741418.
Tristan und Isolde, WWV 90 / Act 2: "Isolde! Geliebte! - Tristan! Geliebter!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388e48f1985bbf5614c9bb48af79658a6b664e7f93d23b17135eb2819eeb6b00. 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/GBF071741419.
Tristan und Isolde, WWV 90 / Act 2: "Der öde Tag zum letzten Mal!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023fad690642ec2918f1656b7e49928dcce95747b7441a8195b9c53920cb6880. 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/GBF071741426.
Tristan und Isolde, WWV 90 / Act 3: "Mild und leise wie er lächelt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe652576399398463243fb7508e9bf69cdef0a26e1b8631c5aac744c3e39a4af. 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/GBF071741440.
Tchaikovsky: Eugene Onegin, Op. 24, TH 5 (Sung in German) [Live]
J. Strauss II: Der Zigeunerbaron [Recorded 1955]
J. Strauss II: Der Zigeunerbaron (The Gypsy Baron) [Recorded 1955]
Gottfried von Einem: Der Prozeß, Op. 14 (Live)
J.Strauss II: Eine Nacht in Venedig/Wiener Blut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9442130ba8fe25a16db12dd9c45105bb3b1583e48e4cfc0da5b2d0f4ab142270. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/FR60Z0700850.
Hm! Hm! Hm! Hm! (Papageno / Tamino / Les Dames)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e31093d5fa5a353409b92422f6ca8c8c70ace22855f35011ee702602ee09a78. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/FR60Z0700910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b987327dc637765e191681981892ad1c031877eb2cfaba5a27471fe110c1c4. 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/FR60Z0700920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44d1cac54edab6a971996ce846ffd1de5bc94bce97c0bc98cb8950d882cdbeb9. 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/FR60Z0700970.
Der Hölle Rache kocht in meinem Herzen (La Reine de la nuit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d586a82f0094afab2127daaf17cd6535143861e52d1b6dccc3424b6e3d10e14. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z0700980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ce16fdcc7c955bc9094df241ea4edf278a61aec31545130247797952ab98f9. 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/FR60Z0701400.
Du feines Taübchen, nur herein (Monostatos / Pamina / Papageno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69fb54ae1554078d1325f4b6e3b078186487366b0faeba669654c3e168476bb5. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/FR60Z0700930.
Nur Stille! (Monostatos / La Reine de la nuit / Les Dames)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830595e61550a31d6e3a0e00d454d4279cb487b2b12fa01641ba874e9f5b14c3. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/FR60Z0701300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c87cdb6eeb7f03fdf66cd428cf8216a261e57d326474999ca9f60ba01417eb. 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/USX761121819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6f881d88f311ee1804376afabacd61823ef44c5b185a866a04c92eb5418feb. 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/USX761121829.
Mozart: Die Entführung aus dem Serail; Ouvertüren