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 0x194c9b2d613ed1ce328fe6b21e64d6435e11ac58a3b1388d7d98fd305b9f9983. Chain 2 (Bitcoin): anchored in block 954134 (2026-06-17T19:41:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e8c1dbc-2af3-41ef-a39b-043f48f0134c.json and https://artists.proofprofile.net/proofs/artist/7e8c1dbc-2af3-41ef-a39b-043f48f0134c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Parsifal, WWV 111 / Act 3: "Heil dir, mein Gast!" - Live
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 0x9304b8dc83965e3c37bcb3e255d6a1e0f321e7f75184adb7291bba0dda404e6b. 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/NLA506300594.
Parsifal, WWV 111 / Act 2: "Parsifal! Weile!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd015909d070dde5fb2b6a4023bc0fa925f7dfca7800c2b5619398d7c86f988fd. 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/NLA506300585.
Parsifal, WWV 111 / Act 3: "Heil mir, daß ich dich wiederfinde!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45dbd75f57e4984004ae3f4fd420a96e3593ac39d6421cd6fbf27807d92d741. 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/NLA506300595.
Parsifal, WWV 111 / Act 1: Verwandlungsmusik - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4709bd71445b670d76a6d61c9e474562a5fafec540e8c2da85a738b41afd494b. 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/NLA506300573.
Parsifal, WWV 111 / Act 2: "Dies alles hab' ich nun geträumt?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874de2fae73b704a0cae7f3bac8d9999449a71da300ef34c1a34e793955b981a. 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/NLA506300586.
Parsifal, WWV 111 / Act 3: "Zu ihm, des tiefe Klagen" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53fcf689232b1942a8e5c8c5c92d8361100c954ccfb6df9bc21bc3cb091a657. 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/NLA506300596.
Parsifal, WWV 111 / Act 1: "Seht dort, die wilde Reiterin" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081a1c1b567c77f6bb1397bee23c894e09bd5e9d8b443a25945849f94e6107b4. 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/NLA506300565.
Parsifal, WWV 111 / Act 1: "Mein Sohn Amfortas, bist du am Amt?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2363d6b152760fc96cd779cb1f98bb7b41ff5882069f5145b5791d5a43096b22. 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/NLA506300575.
Parsifal, WWV 111 / Act 2: "Ich sah das Kind an seiner Mutter Brust" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd70cf15a54c40907fecf4a43f6013f2d136cc66fae07d77944f3e8ebc4ce31f. 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/NLA506300587.
Parsifal, WWV 111 / Act 3: "O Herr! War es ein Fluch" - "Die heil'ge Speisung bleibt uns nun versagt" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cc8cb6e130a67a4bba2332bf35d292419fd4362874316bf27fc6c5fe71a926c. 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/NLA506300597.
Parsifal, WWV 111 / Act 1: "Recht so! Habt Dank! Ein wenig Rast!" - "Gawan! - Herr! Gawan weilte nicht!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71e30d5b5db197e81d4ea6fc22837e3e192b2f1988b14bafaa343570efc5d554. 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/NLA506300566.
Parsifal, WWV 111 / Act 3: "Nicht so! Die heil'ge Quelle selbst" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08a24200e48f7f843553ffb6a66e5f22216fd24028ee97f99d4fe46fe19f663. 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/NLA506300598.
Parsifal, WWV 111 / Act 1: "Nicht Dank! Haha! Was wird es helfen?" - "He! Du da! Was liegst du dort wie ein wildes Tier?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79156b9b97a09dc2181134187264bc7f259b62da09dee8c9690f07e65edba1a9. 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/NLA506300567.
Parsifal, WWV 111 / Act 2: "Grausamer! Fühlst du im Herzen" - "Ich sah ihn" - "Nun such' ich ihn von Welt zu Welt" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe486ba24378bf5f5efc32056cd76b853343aaf28afe81896c4fd1f29d8146e7d. 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/NLA506300590.
Parsifal, WWV 111 / Act 2: "Vergeh, unseliges Weib!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff20c4514061a965884cc217b9e4ef0a903290dea189655375bbde5e8b43be5. 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/NLA506300591.
Parsifal, WWV 111 / Act 2: "Ach! Ach! Tiefe Nacht! Wahnsinn!" - "Furchtbare Not!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac017075f4de2a3844cdf4b19c66f43db3dcbe122648aaf324ba993f1b18bf83. 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/NLA506300581.
Parsifal, WWV 111 / Act 3: "Von dorther kam das Stöhnen" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9575f4a377d7d3ec6ec27a557ea00bd56a303010d66030939acc712d0bb8c480. 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/NLA506300593.
Parsifal, WWV 111 / Act 3: "Geleiten wir im bergenden Schrein" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02475bda3b0589d78230ab29275eb15bfdb5744f628485c31897471b73fc608. 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/NLA506300603.
Parsifal, WWV 111 / Act 3: "Ja, Wehe! Weh' über mich!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fcad76234e8dc6bb8d96d11e630dde5b601ff8effca9966254d896f64a4206a. 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/NLA506300604.
Parsifal, WWV 111 / Act 3: "Höchsten Heiles Wunder!" - "Erlösung dem Erlöser!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3726dca1f455aab73aad21aef932a70479ef3a2ac04c2c7d4078235b03053f02. 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/NLA506300606.
Parsifal, WWV 111 / Act 2: "Komm, holder Knabe!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x923495d75291653ec30999986620ca2b0fc0d14298a76f464844c271ccb2dc4f. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506300584.
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
Parsifal, WWV 111 / Act 1: "O wunden-wundervoller heiliger Speer" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb21d853fc04db7796f15354ee57c28b164c1a3c99e2d2f2f72f14b0fd125d9a. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/NLA506300568.
Parsifal, WWV 111 / Act 1: "Titurel, der fromme Held" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd22b397775b23902e44bb7e2673d20448b0c6e53db70b643cd2a7951816c8bb3. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/NLA506300569.
Parsifal, WWV 111 / Act 1: "Weh! - Hoho! - Auf! - Wer ist der Frevler?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65b90631f05dcaf4ecfb70606cbc0427b630e07c9b9c995339aafe9c113ac69. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NLA506300570.
Parsifal, WWV 111 / Act 2: "Hier war das Tosen!" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b20db6bd696f11c5582eae6596e5e9ff81c52d4cee5f9d1c08c10af3aa06d5. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLA506300583.
Lohengrin, WWV 75 / Act 2: "Euch Lüften, die mein Klagen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6cdc102368f6720e28755e68e178ab61f4154eb81b9d9742ffae5d9a48ac18c. 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/DEF056705070.
Strauss: Der Rosenkavalier - Saint-Saëns: Samson and Dalila - Puccini: Tosca
Ohlédnutí dovoleno (Nahrávky z let 1947-1958)
Vycpálek: Sonata in D Major "Lob der Geige" - Pauer: Sonatina for Violin and Piano
Kuchyňská Revue (World Premiere with the Original Text)
Das Rheingold / Scene 1: "Weia! Waga! Woge du Welle!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc8cc37992f59c418cb52f929e2fbdf3e1aac24d4f03acebfa12ac3853937ad8. 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/NLA506600618.
Die Walküre / Act 1: "Wehwalt heißt du fürwahr?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4f54f6d7a4daa476fe3498f595fd3f8916361c1ada74f27bb86724d6e91f77. 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/NLA506700074.
Die Walküre / Act 3: "Leb wohl, du kühnes, herrliches Kind" - Live In Bayreuth / 1967
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e5270ecbb574e47b3c885ae4cf1fa522ad489ca54dcbeec0bb60297689ded1. 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/NLA506700088.
Die Walküre / Act 1: "Wehwalt heißt du fürwahr?" - Live In Bayreuth / 1967
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4f54f6d7a4daa476fe3498f595fd3f8916361c1ada74f27bb86724d6e91f77. 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/NLA506700074.
Die Walküre / Act 3: "Hojotoho! Heiaha!" - Live In Bayreuth / 1967
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c658796b70c3435715cedf0bc11343671e59fbe60432c941bcb26b5ebc3627c. 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/NLA506700093.
Nádech věčnosti, oratorium k poctě svaté kněžny Ludmily
Haydn, Mozart & Others: Orchestral Works
Georges Bizet: Carmen (Sung in German) [Opera][Cervena, Apreck, Leipzig Radio Symphony Orchestra, Kegel]
Milestones of a Legend: Hermann Scherchen, Vol. 4
Ančerl Gold Edition 12. Martinů: Piano Concerto No. 3, Bouquet of Flowers