Reinhold Bartel (1 March 1926 – 10 August 1996) was a German operatic tenor. Life and career Born in Trier, Bartel studied singing at the Hochschule für Musik und Tanz Köln and already at this time
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 0x4ac1db46ead1c1198e7b3e374baf3f73a354e63a00136b9266816ed9334723de. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20354fbb-ff3c-446a-a03f-23182680bdb3.json and https://artists.proofprofile.net/proofs/artist/20354fbb-ff3c-446a-a03f-23182680bdb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eine Nacht in Venedig - operetta in 3 Acts - 1923 Version by Erich Korngold and Ernst Marischka: Drum sei fröhlich, sei selig, Venezia
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 0x104192af6ec59f6aebd7f501f96d0ff85aa64975e6e4562771b6fec877c094dd. 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/DEF066918590.
Die Fledermaus / Act 1: Terzett: Oje, wie rührt mich dies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc58cecd6cf561c59a0a67130f5b91ae0579b1334ce26790de4a457d072d63f. 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/DEF066804050.
Die Fledermaus / Act 3: Champagner hat's verschuldet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e055f1fff37bcf4144e2a7e621ac2526a420a2be603cb4d4f7e01a4ed025f45. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DEF066804230.
Im Reich der Operette, Vol. 3 (Favoriten - Raritäten - Entdeckungen)
Die Zirkusprinzessin - operetta in 3 Acts: Einleitung - Wieder hinaus ins strahlende Licht - Zwei Märchenaugen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ac7a3189816177edf2d651dc5521713e6d6ac84297fc00e91e9e788194bb88. 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/DEF066617180.
Maske in Blau: Schau einer schöne Frau nicht zu tief in die Augen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4266ddd091ec6c2a82d1b262a3eeacdee1872e0a8f47eab77a24d1677f7919dd. 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/DEF066407370.
Ein Walzertraum - Operetta In 3 Acts: Piccolo-Duett
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b9d23f0639b024c9e0dee0fdb780e41410e562bb5e9d4b14f35165706701a6. 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/DEF066413440.
Viktoria und ihr Husar: Reich' mir zum Abschied noch einmal die Hände
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7154fcc0e45261adf530ec30a9e8da21e1e917b488435a29ff332278629cf25c. 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/DEF066204500.
Millöcker: Der Feldprediger (Querschnitt)
Im Reich der Operette, Vol. 10 (Favoriten - Raritäten - Entdeckungen)
Strauss: Das Spitzentuch der Königin (Querschnitt)
Im Reich der Operette, Vol. 2 (Favoriten - Raritäten - Entdeckungen)
Monteverdi: L'incoronazione di Poppea (Short Version, Mono Version)
Gräfin Mariza - Die Csárdásfürstin - Die Zirkusprinzessin
Gräfin Mariza - Operetta in 3 Acts: Einleitung - Höre ich Zigeunergeigen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe8206ec855db2815a36e8d7e3c091f83fb0fc53365867ad2a2b64147864363. 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/DEF066519720.
Gräfin Mariza - Operetta in 3 Acts: Ich möchte träumen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7930868db344d71f3965754c682ead893f08d0b94b8f4681e61cb9e337ac32d. 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/DEF066509930.
Gräfin Mariza - Operetta in 3 Acts: Einmal möcht' ich wieder tanzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd47c9c1a2c73fdb673a17ccde62868858d901b2e79190dabe41bdbec8454e208. 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/DEF066519700.
Gräfin Mariza - Operetta in 3 Acts: Braunes Mädel von der Puszta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49f047c5c3b8f5211cc77c9d5083fa48f484c1f625d0fc221cbbdf5ce3b07d6a. 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/DEF066509950.
Gräfin Mariza - Operetta in 3 Acts: Grüß mir mein Wien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1f325de668dba182bb4c494f4abbad2da1629e6a1c9a8d95e14651ab66ef67. 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/DEF066519710.
Gräfin Mariza - Operetta in 3 Acts: Komm mit nach Varasdin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe73bc4044477a3f73574ddc305ccef2010cd90d619e2914651201d9050f5a76f. 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/DEF066509990.
The Gypsy Princess (Die Csárdásfürstin): "Ganz ohne Weiber geht die Chose nicht"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98e9d674f6b5cd3b74def4eb70c6f9cac5b9af81315d20328788b317ffe9fbaf. 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/DEF065900450.
The Gypsy Princess (Die Csárdásfürstin): "Tanzen möcht' ich... Tausend kleine Engel singen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3c36abe20fd8fc3155b1ce654e0b90eab451d5885d86c1da22d15e5faa9c16a. 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/DEF065900520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ac7a3189816177edf2d651dc5521713e6d6ac84297fc00e91e9e788194bb88. 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/DEF066617180.
Die Zirkusprinzessin - operetta in 3 Acts: Wo ist der Himmel so blau wie in Wien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a0bd2516f2702577e26e712d25cc103eebfea7bda8d5cdcde9afe2377f19573. 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/DEF066617220.
Die Zirkusprinzessin - operetta in 3 Acts: Husarenmarsch - Mädel gib acht!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6629a976c3c18b0756c82447a9a8ea978f2e5a62f30fea02977bd462e4f9419. 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/DEF066617240.
Die Zirkusprinzessin - operetta in 3 Acts: Liese
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b862bac887b23ee4d242c5af7b56f8dfa808dd1af2b64585158850f2465f1f. 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/DEF066617250.
Gräfin Mariza - Operetta in 3 Acts: Sag ja, mein Lieb', sag ja
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe634356c7f42471e9980da23956610d31b66c22b312f4275558bd1fc9397b7ed. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/DEF066509920.
Gräfin Mariza - Operetta in 3 Acts: Schwesterlein, Schwesterlein
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c58ff6ae04f31e182715d05ff6854557f744e76c7e83570c5bc6545931a6d9a. 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/DEF066509980.
Gräfin Mariza - Operetta in 3 Acts: Komm, Czigan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e9cf2e6a4debf6b181b3fc8706f530dc7d2492a334d21978478679e3cafe28e. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEF066510010.
Die Zirkusprinzessin - Operetta In 3 Acts: Mein Darling
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e59c3d22d5d88222d1c9f8cc01dcf1458f73c89dbae841a249f14d64f1b7de4. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEF066617200.
Die Zirkusprinzessin - operetta in 3 Acts: Wenn du mich sitzen läßt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490ce6ea814917a5b443b19e29f603f231056d8feb07359ecc0531c168c98401. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/DEF066617210.
Die Zirkusprinzessin - Operetta In 3 Acts: Leise schwebt das Glück vorüber
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03bfdd204b28276278e1b6726a407c8629d73d771753490cc8e53ca8a1a98c22. 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/DEF066617260.
Goldene Operette / Der Zigeunerbaron - Eine Nacht in Venedig - Die Fledermaus
Der Zigeunerbaron, Operetta in 3 Acts: Ja, das alles auf Ehr'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc58ac752ecdc48d5b9556c11f05f85db803283b7153faa1eeb072ea78470ef6a. 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/DEF066421810.
Der Zigeunerbaron, Operetta in 3 Acts: Ja, das Schreiben und das Lesen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8823f2b1c6d63de9aadd94530eaa856e62ab8b71c19de097913f9972af14ea5. 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/DEF066411380.
Der Zigeunerbaron, Operetta in 3 Acts: Gib acht, es kracht!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfbe4a8c76ceed2f15158013b1fb1c9758e5727f8112deb79941c3ed3b84965f. 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/DEF066421820.
Der Zigeunerbaron, Operetta in 3 Acts: Wer uns getraut?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12fecabce83e78d8462ea53fce82e6827cea49ee24b8623fa8a528e8bfdc924d. 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/DEF066421830.
Der Zigeunerbaron, Operetta in 3 Acts: Her die Hand, es muß ja sein (Werberlied)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30eb84161b274f88ea4d3cb39925010c249dca298325e57d40eeff671b57f71e. 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/DEF066421840.
Eine Nacht in Venedig - operetta in 3 Acts: Drum sei fröhlich, sei selig, Venezia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924ed6cc4b05e36cc0977c4625ad8972e90d5f5519f121117521ab94cfe418ee. 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/DEF066411490.
Eine Nacht in Venedig - operetta in 3 Acts: Ach wie so herrlich zu schau'n (Lagunen-Walzer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ca5ed76d8179e5ceecb5577cb7c18a62d32d5ed42034b5b6f66067c36a9d5d. 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/DEF066411520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be2b843389c2ef605268c758dd18818b6f5b49b31a0a4079ad6674f7aaa9637. 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/DEF066307540.
Die Fledermaus: Oh je, wie rührt mich dies... Folgen Sie nun schnell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835d9fbeef17298ce20ade926817569da5da90ccbdbe0f8f628f06d8ca083722. 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/DEF066307550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e67255d69beb9e5e6cb28b3c42e73ae8e2e3dfb386c9bba632f9579c3b88b4. 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/DEF066307600.
Die Fledermaus: Im Feuersturm der Reben - Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cafec825e7325516a81998590a5144a7be17b06b738259fff23d98fe339fc8f. 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/DEF066318950.
Wiener Blut - Maske in Blau - Die Dollarprinzessin
Wiener Blut (operetta): Einleitung - Wiener Blut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fa731669bbb5f78f63f9df090fcc436bff7578f969fd5bffdb01a92ca6f5cff. 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/DEF066411640.
Wiener Blut (operetta): Drauss' in Hietzing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735e4544b106af0bb8cd423b075d33b2f08b5718b9127bc6c640ff417b608d61. 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/DEF066421890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cd8fd1bdc5d867771bee10ab83a8be804d48912831e82ac19edb681f8e2568. 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/DEF066421910.
Wiener Blut (operetta): Geht's und verkauft mein G'wand
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15afda4207ee59e500eee6cb6d953720bb22e85b1feefe2cd5ce45c2c65efc92. 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/DEF066421920.
Wiener Blut (operetta): Du süßes Zuckertäuberl
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x918dde59f22c80d4d98a05d0201e2c6f926d7bcb9d1664267c6907a56e1dacf8. 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/DEF066411720.
Wiener Blut (operetta): Ich bitt' dich nicht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60145d3c7201969da12004faff66a648362800568c1ac6ec8aacd30fd1a7cdb. 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/DEF066411740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419d8d6918f12c99da55517fddd41bb958b284a4b4f3991007cf9f8d24e130f8. 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/DEF066411750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d1bbc7a44b5b351c3cbd63f05e6577c0e050c00de53ff82437dacec3f4f2d1. 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/DEF066422310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93c70145be3df62c78530387545a7e9956861bc4084ccab4acaf596a0dcf68a. 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/DEF066407340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4266ddd091ec6c2a82d1b262a3eeacdee1872e0a8f47eab77a24d1677f7919dd. 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/DEF066407370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd1c9e7a65424cd2e22081a5de934ef043194c7b6f7f2f37abf7057fb3da42a5. 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/DEF066407400.
Die Dollarprinzessin: Wir tanzen Ringelreih'n
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd636421fc3e7cb327a2afd830ed6581d65e2a59d58bc1ae02fae5e6e2d13510a. 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/DEF066617330.
Die Dollarprinzessin: Das sind die Dollarprinzessen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aaf328d27e58552bda90b4dada8ca1841526a101675e1789768e525ab01f29d. 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/DEF066617380.
Das Land des Lächelns - Der Zarewitsch - Paganini
Classical Chorus: Beethoven, Vivaldi & Purcell