Heiner Hopfner (28 June 1941 in Mitterteich – 31 August 2014) was a German opera, lied and concert singer as well as a singing teacher in the tenor vocal range. Career At the age of eight, Heiner H
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 0xc74f9ab9f52932aae1c8c3821463aaa4350d9f8a1c26296c8048c459e9e1a238. 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/77714379-4cc0-455c-bdf8-5aa00002d993.json and https://artists.proofprofile.net/proofs/artist/77714379-4cc0-455c-bdf8-5aa00002d993.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 0x23277a1f34bf9b0bc0f38eb3f264555bc9fab409d70656025598264c14f6e7f8. 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/DEF056731406.
Das Rheingold, Scene 1: Weia! Waga! Woge du Welle!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89bb7dcf9464ce88c51e3d31d1f3cdf50e228e5009fbed145b57595db3131cd5. 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/DEF056731407.
Das Rheingold, Scene 1: He he! Ihr Nicker!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639ce8a7e432edbc07e50606ff5c70ed2ab4f48605cec6934c57de25f9f4dda8. 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/DEF056731408.
Das Rheingold, Scene 1: Garstig glatter glitschriger Glimmer!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d06b48755e7a4271e66fe0da6565defae2d0099e075cc93c9fc63564197f0f6. 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/DEF056731409.
Das Rheingold, Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x597e5345f2930adb9e2929a34d6aa2759bb3b42822ff561bc27ef93137d406c2. 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/DEF056731410.
Das Rheingold, Scene 1: Nur wer der Minne Macht entsagt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade3da8927f63d958440e0fde80c41f774bc5df132fa616d594aae05550500b0. 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/DEF056731411.
Das Rheingold, Scene 1: Der Welt Erbe gewänn' ich zu eigen durch dich?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a5a7960ac5778eaa534434a3535beec1aa3ee6d76708da10e866c41c588765. 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/DEF056731412.
Das Rheingold, Scene 1: Haltet den Räuber!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc1eb34ec0512c234435d19c8f5be1eb352360363f643d2440b1dbd02c331860. 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/DEF056731413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f3ca4bb51a3da9b14cbdfc570a29a645159baee37c4596d3a890c2af226d261. 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/DEF056731414.
Das Rheingold, Scene 2: Wotan! Gemahl! Erwache!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2504b214c0169c03148d634cf956c6a9ac077018cdf3852238824995274005b8. 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/DEF056731415.
Das Rheingold, Scene 2: So schirme sie jetzt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96299ffc781278e1453ca008516af50afd9a285533fb2ec64c3bd9d8b7fa461a. 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/DEF056731416.
Das Rheingold, Scene 2: Sanft schloß Schlaf dein Aug'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6770fcd7d2061f7e0cae2d357ae110b90039d1c4e25092b48887c1948c137b74. 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/DEF056731417.
Das Rheingold, Scene 2: Was sagst du? Ha, sinnst du Verrat?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90a6bc640c26cad0afa3e56634d2dace61f57950ba11d416ae070b9cdce918a. 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/DEF056731418.
Das Rheingold, Scene 2: Transformation Scene
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef2058ceafe4a2c6779738284a6d646c05d15c8e67b9f01a2b9d8c79372ceba9. 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/DEF056731426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7ecbba695eee12c2062e4344cad2c825a0a8f91b593cf133e99ee7bbb05e80. 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/DEF056630010.
Ditters von Dittersdorf: Requiem - Offertorium - Litaniae Lauretanae
Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b76522c2ce178cc6f6aa7b7e863dac8c9991bf6fc774e125ac9cb914ad91cc. 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/DEF054202041.
Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04ebfe5f4b8e1b98dc59149dad4da73ddfba2d233f6c12a16967a8120f3a260. 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/DEF054202051.
Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd0373d25a020491e11b87b729f94c32e1762ddfb67023f030d434120c1323b. 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/DEF054202052.
Symphony No. 29 in A Major, K. 201: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8522e84ce702f62f2893197666045115901e571649d782570c872ce06260bc7d. 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/DEF056500841.
Symphony No. 29 in A Major, K. 201: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7292999b6d9c0d6f50863076291214bd86e7e24703d429a63aab1f953f5ec8cc. 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/DEF056500842.
Symphony No. 32 in G Major, K. 318: III. Tempo I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dbbf9998f8aee32675a2da43fca976563ad89eb0ab2899c161431196885fd34. 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/DEF057701273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff9831fe5476fc36d4f778588ab98ce8bdb082dfa682d9d78e223a5798800e2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEF058032501.
Parsifal, Act I: Vom Bade kehrt der König heim
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a52702146d5295ecce99a63311ea1980b093eab092b5ccbf85d7e446803cdb2. 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/DEF058032513.
Parsifal, Act II: Komm, holder Knabe! "Chorus of Flower-Maidens"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd877234ada27c9e5ebff3d2349757cc72953cb5a5269139cfd55f66ebd1cfee. 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/DEF058032521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e3a8784e60f70027af2a9659b5dbb424795e520b153feb0fdac0ea03310a06. 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/DEF058032530.
Parsifal, Act I: He! Ho! Waldhüter ihr – Seht dort, die wilde Reiterin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b5d491e452d2f55af9332ca7f0dfdeaa5627042fd8037d59699e4b526289d2. 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/DEF058032506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fb8b1c115b2863c130feb9cf2d7bbb8bec72c4940e1636439ae3147e289b32. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEF058032514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ee12397fb70f5837d6cc42bb47d9f49a3cab449a686f7741d86f4371b6a8951. 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/DEF058032522.
Parsifal, Act III: Heil mir, daß ich dich wiederfinde! – Zu ihm, des tiefe Klagen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb00c1ddeccd375dfd35da2899834e814fe3b31008ff1027f24a06c1bda2212. 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/DEF058032531.
Parsifal, Act I: Recht so! Habt Dank! Ein wenig Rast!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0caf263ef402052cafc67838619b352205cc1a1ca56cacbacfbc5d9e220eb4a5. 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/DEF058032507.
Parsifal, Act I: Nun achte wohl und laß mich seh'n
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3150d795da920a188496f83e9b1b516cefd74767488e961709f631a347b174df. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEF058032502.
Parsifal, Act II: Dies alles hab' ich nun geträumt?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212fc54469e2cfaf495c8e6b46e9fe5e3310bd2d2b4b7c7bb363527e655c1408. 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/DEF058032523.
Parsifal, Act III: O Herr! War es ein Fluch – Die heil'ge Speisung bleibt uns nun versagt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcccbaf08b9d6f34d06d4d47d5a18bd2dba74df2a142711c84f9e12df5d0352c. 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/DEF058032532.
Parsifal, Act I: Nicht Dank! Haha! Was wird es helfen? – He, du da! Was liegst du dort wie ein wildes Tier?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb3f2f1969dc1603634c5cd465b22e816b1c91fd5eb7d2f77843e86ff8f0275. 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/DEF058032508.
Parsifal, Act I: Mein Sohn Amfortas, bist du am Amt? – Nein! Lasst ihn unenthüllt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc818780b04e076f6d6af2fb5c5f79755fc5bbc8eb5279b9a586f42a9c291a046. 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/DEF058032515.
Parsifal, Act II: Ich sah das Kind an seiner Mutter Brust
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3675b42d0db60111befc72d6174c06399781a1bec236e9001bd8fe34d70655b8. 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/DEF058032503.
Parsifal, Act III: Nicht so! Die heil'ge Quelle selbst
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x397c509f26d2f9e64f32669cad8729a04d500e54a342b0e2e6c74c5478f99644. 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/DEF058032504.
Parsifal, Act I: O wunden-wundervoller heiliger Speer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7fe16fdf678f32076260b83491caa76160bf74e1bdc62c816188629e4fb2ec9. 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/DEF058032509.
Parsifal, Act I: Enthüllet den Gral! – Nehmet hin meinen Leib
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b23142da823e5fef536c5ca2c696125725a550b1e75cc7fb50f5bd7adc51787. 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/DEF058032516.
Parsifal, Act II: Wehe! Was tat ich? Wo war ich? – Bekenntnis wird Schuld in Reue enden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c1186be929f50e08eb6772aa93c74e285571f09f2ea97015a2adf06baa7fef. 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/DEF058032524.
Parsifal, Act III: Gesegnet sei, du Reiner, durch das Reine! – Wie dünkt mich doch die Aue heut so schön!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3043fd35c66fd6ae994d92223be8c71f47a223d4f90904aadf48c0a2eed5731a. 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/DEF058032533.
Parsifal, Act I: Titurel, der fromme Held – Vor allem nun: die Speer kehr' uns zurück
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0bcf11ec1d8f2939b83a7e81283978774fa453f7083b2720bc3bb79791ac343. 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/DEF058032510.
Parsifal, Act I: Wein und Brot des letzten Mahles – [Auszug der Ritter] – Was stehst du noch da?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e6519a88c56b31ea8a1f7be6ec3aa0d7e8377bc113a904c428532ffcb5af8b. 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/DEF058032517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025513d12f3ee916670a32bfa565da1bbfea889eab40fa5fe2a3ecc0b198bcca. 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/DEF058032525.
Parsifal, Act III: Du siehst, das ist nicht so
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Parsifal, Act I: Weh! ... Hoho! ... Auf! ... Wer ist der Frevler? – Du konntest morden, hier, im heil'gen Walde
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Parsifal, Act II: Prelude – Die Zeit ist da
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Parsifal, Act II: Grausamer! Fühlst du im Herzen nur and'rer Schmerzen – Auf Ewigkeit wärst du verdammt
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Parsifal, Act III: Mittag. Die Stund' ist da – Verwandlungsmusik
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Parsifal, Act I: Nun sag'! Nichts weißt du, was ich dich frage
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Parsifal, Act II: Ach! Ach! Tiefe Nacht! Wahnsinn! – Furchtbare Not! – Jetzt schon erklimmt er die Burg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5f20af1e152c0d6b413bb432234dbbbb06f6ec5023ad5b8bb8078e3d0b58b9e. 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/DEF058032519.
Parsifal, Act II: Vergeh, unseliges Weib! – Halt da! Dich bann' ich mit der rechten Wehr!
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Parsifal, Act III: Geleiten wir im bergenden Schrein
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Parsifal, Act II: Hier war das Tosen! – Ihr schönen Kinder
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556e7d56fe5b4914787d6bf0be2b5b4aa5959a47a8b47a6dd8c02a31d17d3cf8. 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/DEF058032528.
Parsifal, Act III: Ja, Wehe! Weh' über mich!
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Parsifal, Act III: Von dorther kam das Stöhnen – Du tolles Weib! Hast du kein Wort für mich?
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ad5359fc72b7774fe5083bb8bd402624732bf6c33fc79210f1d21dc267dab27. 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/DEF058032538.
Parsifal, Act III: Höchsten Heiles Wunder!
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Schubert: Claudine von Villa Bella, D. 239, Fernando, D. 220 & Kantate zu Ehren von Josef Spendou, Op. 128, D. 472
Schütz: Weihnachtshistorie (Christmas Story), SWV 435
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c384978358911c11d2ba4ae99f0ca851ef1f1b3bb9a1a95f03b363bd01058f1. 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/DEF058031101.
Die Zauberflöte, K. 620, Act I: No. 1, Zu Hilfe! Zu Hilfe! – Dialogue. Wo bin ich?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac3b011943aafa673628cd921b71df466ef432bb7e85d9b1f84514963f480db. 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/DEF058031102.
Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's
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Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön – Dialogue. Rüste dich mit Mut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270bb172a1cb306f4e9a3d7640acfc9f430ef7030505374f76ea4580dd88ae71. 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/DEF058031104.
Die Zauberflöte, K. 620, Act II: No. 20, Ein Mädchen oder Weibchen
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: a-b. Bald prangt... Du also bist mein Bräutigam
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: c. Chorale Prelude. Der, welcher wandelt diese Straße
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Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: d-e. Tamino mein, o welch ein Glück – Wir wandelten
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Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
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Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: i. Die Strahlen der Sonne – Heil sei euch
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Die Zauberflöte, K. 620, Act I: No. 8, Finale: a-c. Zum Ziele führt dich diese Bahn
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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
Die Zauberflöte, K. 620, Act II: Dialogue. Hier seid ihr euch beide allein überlassen – No. 16, Seid uns zum zweiten Mal willkommen – Dialogue. Tamino, wollen wir nicht speisen?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851edef6d9208e15001dbbfe63095cf47cbe40641bf2555d4eb7a7410b39ca86. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/DEF058031112.
Die Zauberflöte, K. 620, Act II: No. 19, Soll ich dich, Teurer, nicht mehr sehn? – Dialogue. Tamino! Tamino!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a9e6e4f4223e1215f5b1df05741cb5f18a674b202aa7ca4e129e99ab96548a1. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEF058031135.
Die Zauberflöte, K. 620, Act II: No. 9, Marsch der Priester – Dialogue. Ihr in dem Weisheitstempel
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Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris – Dialogue. Eine schreckliche Nacht
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Die Zauberflöte, K. 620, Act II: No. 11, Bewahret euch vor Weibertücken – Dialogue. He, Lichter her!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2a652d132caa38257eea6f85f21d53e97520173de7d659cec2bd9a4d1e98b9. 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/DEF058031129.
Die Zauberflöte, K. 620, Act II: No. 12, Wie? Wie? Wie? – Dialogue. Tamino! Dein standhaft
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Haydn: Nelson Mass / Responsoria De Venerabili / Ave Regina
"1936-2025 In memoriam: The Music of Pope Francis"
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Goldberg Variations, BWV 988: Aria - Da Capo
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b8fc1e32c7b37910e43cc02db729df5455b0cbdca25ad0ea93733c918a69df3. 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/DEN962100310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c51182615976f186bcc330930dca6aa9378961d3e0000372d2bd1a57688cc9. 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/DEN961630201.
Parsifal, WWV 111 / Act 1: Verwandlungsmusik - Live
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Orchestra dell'Accademia Nazionale di Santa Cecilia
Coro dell'Accademia Nazionale Di Santa Cecilia
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Viola da gamba Sonata in D Major, BWV 1028: I. Adagio - Performed on Cello & Piano
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The Well-Tempered Clavier: Book 1, BWV 846-869: 1. Prelude in C Major, BWV 846
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Piano Sonata No. 2 in F Major, K. 280: II. Adagio
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Mass In C Minor, K.427 "Grosse Messe": 3b. Credo: Et incarnatus est
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Triple Concerto in C Major, Op. 56: 2. Largo - attacca - Live at Philharmonie, Berlin / 2019
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Mass In C Minor, K.427 "Grosse Messe": 1. Kyrie
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Piano Concerto No. 27 in B flat, K.595: 2. Larghetto
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Piano Concerto No. 20 in D Minor, K. 466: II. Romance
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La Strada - Balletto / I. Strada costiera: 1. Andante largo - Molto tranquillo
Orchestra Sinfonica di Milano Giuseppe Verdi
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Mass / I. Devotions Before Mass: II. Hymn and Psalm: "A Simple Song" - Live
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Libertango - orchestrated by Luis Enriques Bacalov
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Brandenburg Concerto No. 1 in F, BWV 1046: 2. Adagio
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Mass in B Minor, BWV 232: Agnus Dei: I. Agnus Dei (Aria)
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Violin Sonata No. 35 in A Major, K. 526: III. Presto
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Solemn March to the Holy Grail from Parsifal, S. 450
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Johannes-Passion, BWV 245, Pt. 1: No. 1, Herr, unser Herrscher
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Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live at Alte Philharmonie, Berlin, 1943
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Passionszeit - Pergolesi: Stabat Mater (Recorded 1954) - Gesänge zur Karwoche (Recorded 1954, 1961)
Mendelssohn: Elijah, Op. 70, MWV A 25 (Live)