Karl Terkal (7 October 1919 - 12 August 1996) was an Austrian operatic tenor, particularly associated with lyric roles of the German repertory, both opera and operetta. Born in Vienna, Terkal was wor
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 0x2ebc4796d28d4c15c1757d21ba9bfe1f7f587a8864643f8f8352aee5e054d373. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87ae1577-3ac4-46e0-a132-7cd6a54bac5e.json and https://artists.proofprofile.net/proofs/artist/87ae1577-3ac4-46e0-a132-7cd6a54bac5e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart - The 50 Best Classical Masterpieces
Mozart in the Jungle, Season 3 (An Amazon Original Series Soundtrack)
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 0x372965d5bcec1672f62e4aca606e47438f48fade14bc6037e51f72ccb0217483. 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/HKI190554501.
Die Zauberflöte, K. 620: Pa-Pa-Pa-Papagena!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ca728117bdc287d24144b4c9612a9b39b7c1e8d9cc6e3561b5355e28c502663. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000225.
Slavonic Dances, Op. 72, B. 147: No. 2, Dumka
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x022aec7cec0a4689f55ebea080bed4f8687d52b2d51a158eda261b86170bb38e. 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/USSM16200897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31167261809560d10062fea44b6dcf763f85c2cf8c898708ca1e56e38bcdf0d. 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/QZ57D1600027.
Don Giovanni, K.527: "Là ci darem la mano"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345ffedec2a37f4991817323eecf53016d0c55ac01a5499ec3a3d6f49cd34094. 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/QZ57D1600028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61eeff2e3d8e668a46e6f00f3363fb82946a51eeb58901e12593c05c301eb45b. 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/QZ57D1600029.
Oboe Concerto in C Major, K. 314/285d: I. Allegro aperto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x523d5c6e6fd0df8e22abbc94e5237c3dd9a25b995d33a7f29c31ec2ed7028ce7. 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/DEE860800591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fb59734ff29b1ca6c2424908bb7d9089ead4eb796a61e0ad6b83f79e68c6ae. 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/USSM10302462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61dd24591e166856bc10ff11a29f2d5e4c3a754d50a0d420ea5602bc11871f98. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D1600031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2305f43c030e032aeadf713bde624a5a4e1480fc6069a962b019066b8586cfe1. 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/QZ57D1600032.
Der Rosenkavalier, Op. 59 / Act 1: Introduction
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8fad18f58523c1f996e6566879487aa91d8525aff61b651163e82d0eb15426. 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/GBF076940301.
Der Rosenkavalier, Op. 59 / Act 2: Introduction - "Ein ernster Tag"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4befb998f788ce8c85fe62593f88bb6a3726adb1e9189ff73627180682507b53. 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/GBF076940316.
Der Rosenkavalier, Op. 59 / Act 1: "Wie du warst!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b11e5b2c918ccae5d6abf378ba9526e1af52499fc64807cd71379c1c0f6c85. 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/GBF076940302.
Der Rosenkavalier, Op. 59 / Act 2: "In dieser feierlichen Stunde"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb0c59e7a00dbcff2c3f60d46e7dee80453c3ddc28c297a74246b1ebc4d9848e. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBF076940317.
Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb22e27138833450f005f01e1c3d2bc1dc25b16fb19f2cd1d3498fdb00df0f4. 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/GBF076940331.
Der Rosenkavalier, Op. 59 / Act 3: "Nein, nein, nein . . . Die schöne Musi!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbeb68a1c8540277627833c591f16310c23e96899cb1a8adc8dae0ff93664fd6. 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/GBF076940332.
Der Rosenkavalier, Op. 59 / Act 2: "Ich kenn' Ihn schon recht wohl"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2b7f91e9bebc310f0e5ee814aa6d73ba75444e9648fa7495bec54e8f272d6f. 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/GBF076940319.
Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea9d709cc300af35a413032aeb529857bc0603a7c526cd853689ec58c93c305. 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/GBF076940334.
Der Rosenkavalier, Op. 59 / Act 2: "Eh bien! Nun plauder Sie . . . Wir kommen über Nacht"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df083b8ee05f5ba849ce5bafe96e2e822bd3f6954b3f936b76b720949c33b95. 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/GBF076940321.
Der Rosenkavalier, Op. 59 / Act 3: "Zur Stelle! Was wird von mir gewünscht?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ae906fe947d1e012914a82fb10e83b07b773c961318dc0ac85e769e5266713. 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/GBF076940336.
Der Rosenkavalier, Op. 59 / Act 3: "Sind desto eher im klaren"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f82dd234d9bce0c753f51021e2437fee061aaa13cb28a09af0d76eac0fddaa. 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/GBF076940337.
Der Rosenkavalier, Op. 59 / Act 1: "Di rigori armato il seno"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf30948841b68df43db4dbd5da640f13974a858fedeae34e9a7e94c0f48622722. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940309.
Der Rosenkavalier, Op. 59 / Act 3: "Bin glücklich über Massen...Muss jetzt partout zu ihr"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8d2fbb8078cf90973fd30e8ae7157bb7bfb5f65bc947c473fa6a1d91bbb602. 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/GBF076940338.
Der Rosenkavalier, Op. 59 / Act 2: "Herr Schwiegersohn! Wie ist ihm denn?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x799c8777067dafadca85e14ff65610434337725b32039b81b7f1c1c516365834. 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/GBF076940325.
Der Rosenkavalier, Op. 59 / Act 1: "Mein lieber Hippolyte"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b83448fb71f4dff5576615bd3ecebb64068f8f0dfa7d94ac5145d486f16350. 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/GBF076940311.
Der Rosenkavalier, Op. 59 / Act 2: "Blamage! Mir auseinander meine Eh'"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x895bff6995649619208e8f895d86bfa6ba4941cc70e0bb1766cb3f57ca604539. 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/GBF076940326.
Der Rosenkavalier, Op. 59 / Act 1: "Da geht er hin"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f105f249e1089c0cc2fad9f57bd1878ff1baae7aaf306170c02bb40555e558d. 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/GBF076940312.
Der Rosenkavalier, Op. 59 / Act 1: "Ach! Du bist wieder da!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53476cee691edd2e4ce991148284a2484cbfec5f6f25ce12a2467ddc75e0503e. 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/GBF076940313.
Der Rosenkavalier, Op. 59, TrV 227 / Act III: "Marie Theres'!" - "Hab mir's gelobt, Ihn lieb zu haben"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fb696ab92d73d96684372c9f069a4299708560cdb7ce054693edbff1321bbb. 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/GBF076940342.
Der Rosenkavalier, Op. 59 / Act 1: "Die Zeit ist...Mein schöner Schatz...Ich werde jetzt"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43433e9db17c137a1b157c019d9083eb6f4fa5fca2bc99d8edc449bd8229cac4. 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/GBF076940314.
Der Rosenkavalier, Op. 59 / Act 3: "Ist ein Traum, kann nicht wirklich sein" - "Spür nur dich"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a08f4922812bb6a7bf2349fc756a5d5128234c273c190bdbe43516679d6afb. 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/GBF076940343.
Sleeping Beauty, Op. 66, Act I: Garland Waltz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8af21df18705f08f01b527ce2cdf46a2fea107e96ab37c404846c6957b6213e. 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/GBAYC8200111.
Mephisto Waltz No. 1, S. 514 'Der Tanz in der Dorfschenke'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564dccf581d72e0aaf683ea1a5d50826d15ce7733c4e6f040d44da86fbb6d5d1. 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/GBAYC8703940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x029b1a69744a31f150edc26ffa8b9715e81e3dcda392e0cccc9f1ed648164879. 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/GBAYC8200109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd54c35fb89afd4c80c003daa0d3d7fefc21f905dc80bb8d70c394e47a2bfd1. 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/FIFIN9800494.
Puccini: Turandot (Sung in German) [Recorded Live 1956]
Richard Strauss: Les grands opéras - La discothèque idéale de Diapason, Vol. 7
Im Reich der Operette, Vol. 3 (Favoriten - Raritäten - Entdeckungen)
Aida, Act I: Se quel guerrier io fossi! ... Celeste Aida
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56b146edac9e04ea12a45d136523b9741d0827c76e1266c12f6658378e98390. 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/GBAYC0301483.
Orchestre Du Theatre National De L'Opera Comique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca9a1c14a3aa2b276a06b0a3b8aabeb50867d70ffbd7b087186843a245520391. 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/FRZ118701170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6722d932a71038cf783340bdb72858bc6effb597fb9dcdfec21cf149d43cdb70. 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/GBAYC8700331.
Nabucco, Act III: Va pensiero (Chorus of the Hebrew Slaves)
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Orfeo ed Euridice, Wq. 30, Act III Scene 1: Che farò senza Euridice? (Orfeo)
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L'Elisir d'amore, Act II: Una furtiva lagrima
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e316e7949347ba4a83b0e7c9edac9d067013816c006d2dd64a632a66125e4e3. 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/GBAYC8802634.
Serse, HWV. 40, Act I Scene I: Ombra mai fu (Serse)
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Don Giovanni, K. 527, Act II: Deh, vieni alla finestra
Solistes De l'Académie Européenne De Musique D'Aix-en-Provence
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The 50 Absolute Essentials of Classical Music
Masterpieces of Operetta: Ziehrer, Suppé, Strauss, Stolz, Lehár & Dostal (Remastered 2018)
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Gräfin Mariza, Act I: "Wir singen dir, wir bringen dir ein Liedchen dar" (Kinderchor, Tassilo)
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Gräfin Mariza, Act I: Dialog 2 (Tassilo)
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Gräfin Mariza, Act I: "Wenn es Abend wird" - "Grüß mir die süßen die reizenden Frauen" (Tassilo)
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Gräfin Mariza, Act I: "Höre ich Zigeunerweisen" - "Wo wohnt die Liebe" (Mariza, Chor)
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Gräfin Mariza, Act I: Dialog 5 (Tassilo, Lisa)
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Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa)
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Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza)
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Gräfin Mariza, Act I: "Auch ich war einst ein feiner Csárdáskavalier" - "Komm, Zigan" (Tassilo)
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Gräfin Mariza, Act I: "Bitte sehr, das ist doch gar nix, nein!" (Populescu, Zsupan, Mariza, Manja, Chor)
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Gräfin Mariza, Act I: "Komm Zigány" (Tassilo)
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Die Csardasfurstin (The Gypsy Princess), Act II: Duet: Tanzen mochte ich
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Der Vetter aus Dingsda, Act I: Ich bin nur ein armer Wandergesell
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Die Csardasfurstin (The Gypsy Princess), Act II: Machen wir's den Schwalben nach
Northwest German Radio Symphony Orchestra
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Mozart: Die Zauberflöte - The Sony Opera House
Die Zauberflöte, K. 620: Der Vogelfänger Bin Ich Ja (Song)
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Die Zauberflöte, K. 620: March of the Priests
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Die Zauberflöte, K. 620: Der Hölle Rache
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Mozart: Die Zauberflöte K620 (Highlights) - Sony Classical Masters
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Die Lustige Witwe: O Vaterland du machst bei Tag
Operettenorchester der Wiener Staatsoper
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Die ganze Welt ist himmelblau (From "Im weißen Rössl")
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Beethoven: Fidelio (Les indispensables de Diapason)
"Un bel dì, vedremo" from Madama Butterfly
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Anneliese Rothenberger: Ihre größten Erfolge und Raritäten
Die Meistersinger von Nürnberg (The Mastersingers of Nuremberg), WWV 96
Faszination Klang - Die Wiener Philharmoniker
Im Reich der Operette, Vol. 1 (Favoriten - Raritäten - Entdeckungen)
Im Reich der Operette, Vol. 8 (Favoriten - Raritäten - Entdeckungen)
Wiener Opernfest 1955: Highlights (Live)
Die Sänger der Wiener Staatsoper zur Wiedereröffnung des Hauses
Im Reich der Operette, Vol. 10 (Favoriten - Raritäten - Entdeckungen)
100 Greatest Tenors, Vol. 3 (Recordings from 1941 to 1960)
Radio-Lieblinge, Folge 3 Zauberreich Operette
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Eine Alpensinfonie, Op. 64: III. Der Anstieg
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Eine Alpensinfonie, Op. 64: IV. Eintritt in den Wald
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Eine Alpensinfonie, Op. 64: VIII. Auf blumige Wiesen
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Eine Alpensinfonie, Op. 64: IX. Auf der Alm
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Eine Alpensinfonie, Op. 64: X. Durch Dickicht und Gestrüpp auf Irrwegen
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Eine Alpensinfonie, Op. 64: XI. Auf dem Gletscher
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Eine Alpensinfonie, Op. 64: XVI. Die Sonne verdüstert sich allmählich
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Eine Alpensinfonie, Op. 64: XVIII. Stille vor dem Sturm
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Eine Alpensinfonie, Op. 64: XIX. Gewitter und Sturm, Abstieg
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Der Rosenkavalier, Op. 59, Act I: Introduction
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Der Rosenkavalier, Op. 59, Act II: Introduction
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Der Rosenkavalier, Op. 59, Act III: Introduction and Pantomime
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d28aeaa67aa007c85a8cddb02cd6e081c1ba983fb3b2651e803cd1afa7cd355. 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/DEF058231030.
Der Rosenkavalier, Op. 59, Act I: Wie du warst!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65de3e782124d965aaebed8eae20e2cbfe801166c47626025fb8c4cfefb83fd0. 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/DEF058231002.
Der Rosenkavalier, Op. 59, Act III: Hab'n euer Gnaden noch weitre Befehle?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa30580d2ff85ad42fce318c6ae72a88f26e5a9fbe15d789c97ba26c524ca96d8. 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/DEF058231031.
Der Rosenkavalier, Op. 59, Act I: Der Feldmarschall sitzt im krowatischen Wald
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b4b15e916a43685d45b99fd16fff69312779c67b7c06ce127d5c819cccc91e. 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/DEF058231012.
Der Rosenkavalier, Op. 59, Act I: Selbstverständlich empfängt mich Ihro Gnaden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x398ffb1a306187ace49b0bf78e30e3d642219f1385f4c71034c72a9b8e7fe861. 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/DEF058231013.
Der Rosenkavalier, Op. 59, Act I: I komm' glei
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f2687d0fd84e6a6706be801eca7878b3667e721055b57783abc970ce0b71b6. 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/DEF058231015.
Der Rosenkavalier, Op. 59, Act II: Hab' nichts dawider
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d1297c805f51924d938b491591c59e4168cb7037b7d597c86a8d5e8c7d6d039. 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/DEF058231027.
Der Rosenkavalier, Op. 59, Act II: Mit Ihren Augen voll Tränen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6710a1d57a0ed59ff908ae28fe8d50a4c8ff4df3e8c127e7ddcac096dbc7d8e. 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/DEF058231028.
Der Rosenkavalier, Op. 59, Act I: Ach! Du bist wieder da!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b67abf60691b25682ac4480407e1685d01733bf59daee5cd04714f3ee3f97a6. 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/DEF058231018.
Der Rosenkavalier, Op. 59, Act III: Marie Theres'! ... Hab mir's gelobt, Ihn lieb zu haben (Trio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0afe57db0f3446a0a825a9578445fe83d7476fa2c4a8b35a9204a03b96acfff. 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/DEF058231009.
Der Rosenkavalier, Op. 59, Act I: Die Zeit, die ist ein sonderbar Ding – Mein schöner Schatz – ich werde jetzt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13a40da939fa2d59de6dcf09e246b2a5578ee6896d98192c028b6126e7fa4fc3. 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/DEF058231019.
Der Rosenkavalier, Op. 59, Act III: Ist ein Traum, kann nicht wirklich sein / Spür nur dich (Love Duet)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530df48c55720000793a3632da04e280d4f2f4dff5c869668dc8a544054e3571. 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/DEF058231039.
Wagner: Die Meistersinger von Nürnberg, WWV 96 (Live)