Christoph Genz (born 1 March 1971 in Erfurt) is a German tenor in opera and concert. Career Christoph Genz was a member of the Thomanerchor. He studied music at King's College, Cambridge, where he
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfea82b905c1144aa43aef5e0d3a555c97912e9c099f2492090764c7aa77bc10d. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/df0826ab-2e08-4bf8-ab89-9493a543f362.json and https://artists.proofprofile.net/proofs/artist/df0826ab-2e08-4bf8-ab89-9493a543f362.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach: Secular Cantatas, BWV 36c, 201, 206, 207, Quodlibet BWV 524
Vereinigte Zwietracht der wechselnden Saiten, BWV 207: II. Chorus. Vereinigte Zwietracht
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd389c9073263e89e397ecfacff7ea0f7afd33a5a384b5ac327c9610feaaab00. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/DEF059631602.
Schwingt freudig euch empor, BWV 36c: I. Chorus. Schwingt freudig euch empor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad8d2b63f4e50f10ba5d2035b0275fd9789f62b57339a63b25383f8705fefa17. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059730501.
Schwingt freudig euch empor, BWV 36c: V. Aria. Der Tag, der dich vordem gebar (Bass)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7885d01956b959187275664a134a029e518d85f464f79793d70afb9f5d71ae0. 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/DEF059730505.
Schwingt freudig euch empor, BWV 36c: VI. Recit. Nur dieses Einz'ge sorgen wir (Soprano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d3741881a8589e2dd92d0d53fecadef05429438e399fbe599cca4ca93ce1b7. 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/DEF059730506.
Cherubini: Messe solennelle Nr. 2 d-Moll
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6614b2e0be2ddaba469e0f8bb48e84ab4735afd92240f9a5b4d48ebeef2e0515. 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/DEB112000610.
Johannes-Passion, BWV 245, Pt. 1: No. 2, Recitative: Jesus ging mit seinen Jüngern - Chorus: Jesum von Nazareth - Recitative: Jesus spricht zu ihnen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63761590987bfeb29c85e1e95be0c0120cb3e61f779a1daecee1b1aa7f19f7b5. 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/NLB151200213.
Johannes-Passion, BWV 245, Pt. 1: No. 4, Recitative: Auf dass das Wort erfüllet würde
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d54e58df2aee71a8ecd1ca3d7caa5c38c310039c037e6809d10d7e96fda2fd. 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/NLB151200215.
Johannes-Passion, BWV 245, Pt. 1: No. 6, Recitative: Die Schar aber und der Oberhauptmann
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61e621df29a23e874995e60e870cb1c2cf7ed8f36e1555a5e8048c182405078. 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/NLB151200217.
Johannes-Passion, BWV 245, Pt. 1: No. 10, Recitative: Derselbige Jünger
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe057cad9eb23b476da899d0e676ececb557df126f62d39ece0461789603ff0f1. 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/NLB151200221.
Johannes-Passion, BWV 245, Pt. 2: No. 10, Chorus & Aria: Eilt, ihr angefochtnen Seelen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b84c70bea2b0e123a1653db75291fb659bacb1dfd51c6ff9a490efd6b1e6a7. 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/NLB151200235.
Johannes-Passion, BWV 245, Pt. 1: No. 13, Aria: Ach, mein Sinn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba6e6041bc7182401b63736f27d45e1c2ea81c7945ffebc7833763925e6718d. 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/NLB151200224.
Johannes-Passion, BWV 245, Pt. 2: No. 2, Recitative: Da führeten sie Jesum von Kaipha vor das Richthaus - Chorus: Wäre dieser nicht ein Übeltäter
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb575ecea2aef9bcbb070f96a91decb8d0487961c86e766f64d3cd43d075832c9. 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/NLB151200227.
Johannes-Passion, BWV 245, Pt. 2: No. 6, Aria: Erwäge, wie sein blutgefärbter Rücken
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7262077cd6299b88b6dbd928022f2ac19932c1a8478ed2a4a4680f0c205cbdc. 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/NLB151200231.
Johannes-Passion, BWV 245, Pt. 2: No. 7, Recitative: Und die Kriegsknechte flochten - Chorus: Sei gegrüßet, lieber Judenkönig - Recitative: Und gaben ihm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a24e2af5394f5eacc695a5aa0aaf5131e45e85f38a78980006f7e9065a629b7. 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/NLB151200232.
Johannes-Passion, BWV 245, Pt. 2: No. 13, Recitative: Die Kriegsknechte aber - Chorus: Lasset uns den nicht zerteilen - Recitative: Auf dass erfüllet würde
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdadae59aa2ca1b65e787d492b85250434ae704931dc4dae21d14b71209684bfa. 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/NLB151200238.
Johannes-Passion, BWV 245, Pt. 2: No. 11, Recitative: Allda kreuzigten sie ihn - Chorus: Schreibe nicht: der Jüden König - Recitative: Pilatus antwortet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca9c0fdde82188774cb4ea9d0308cfa617c097e7388641b540671977df2326ed. 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/NLB151200236.
Johannes-Passion, BWV 245, Pt. 2: No. 15, Recitative: Und von Stund an
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0eac3c993b99f94c5ba08274b903b0541eaf274aacbc9f799f32c52f67231b2. 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/NLB151200240.
Johannes-Passion, BWV 245, Pt. 2: No. 20, Aria: Mein Herz, in dem die ganze Welt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8484d99dbe841927b2fc2c1c1306de1cc250c2b83145bae5469a6f920abf6cb. 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/NLB151200245.
Johannes-Passion, BWV 245, Pt. 2: No. 22, Recitative: Die Jüden aber
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a21ff96eb95921aad2b75cd4f68bd31ffe8a58b7b6a30c69886e991d7198d7. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151200247.
Johannes-Passion, BWV 245, Pt. 2: No. 24, Recitative: Darnach bat Pilatum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e52b168982f843eb63d8224915430ca4102102e563b2a96b0e5746a2748fd6. 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/NLB151200249.
Wiegenlied, D. 867, Op. 105 No. 2 "Wie sich der Äuglein kindlicher Himmel"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505438080e8c9a8042ef0fbb1db0a26651e6324bbcc9aaff95fbce8a53fbacb9. 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/DEB111000816.
Die Zauberflöte, K. 620, Pt. 1: I. Ouvertüre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7f699edb9bd64b37b76db4a8f43ffb37e78ff2c7c3766802678cb8d946cf24. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/NLY331412458.