Miriam Feuersinger (born 1978) is an Austrian soprano. Life Feuersinger grew up in Bregenz, where she received her basic musical training at the local music school. She pursued her vocal studies at
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 0xdb4c846bd2d10fd8d62477966476259318264ab56db0ce7332d331fbeaf74083. Chain 2 (Bitcoin): anchored in block 953600 (2026-06-14T06:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0eacbac1-66f5-4325-9d8c-480d9470d982.json and https://artists.proofprofile.net/proofs/artist/0eacbac1-66f5-4325-9d8c-480d9470d982.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach: Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik)
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 1. Choral, "O Mensch, bewein deine Sünde groß" (Chor)
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 0xb914902eb32297dc21613b09823171bf60c97c11c8cf0f2a97461ea5eaf48f9e. 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/BEE022415201.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 2. Recitativ, "Am Abend, der vor Ostern war" (Evangelist)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f66c898bf4d923dbd56b49a39eb86e00fb539da1b7f1a73d0ceaf0bd5560c21. 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/BEE022415202.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 3. Aria, "Ach! Wie meint es Jesus gut" (Johannes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x293d3799884729a1e0ea3c4e238b3dc419ba32e617af5efb4d495a0edfed6ac4. 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/BEE022415203.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 12. Recitativ, "Zwar Petrus blieb von weiten" (Evangelist)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bcbab5ba0bd1969700972720481340f9ecc6543cdf5d12974a64b43a95ba5e5. 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/BEE022415212.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 13. Aria I, "Ihr seht mich an, ihr starren Augen" (Petrus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5642350239677782fe9b36f8865a613ad42f92f0f57d4a896ff228bc9f77364a. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/BEE022415213.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. II: No. 20. Aria, "Kommt heraus, und geht vorüber" (Zion)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083fc818d476fa38ad332f346f132c9e92d71479bd66819c7535e66a023ee2b5. 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/BEE022415220.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. II: No. 21. Recitativ, "Wie sieht dein Haar" (Zion)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8465ba2ca5429b1523e048856fbe246fdc3a60a17670a2268070bb66745c8042. 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/BEE022415221.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. II: No. 30. Aria, "Es ist vollbracht" (Seele)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f2363ccf9b6108c151cef238f211e1f283adc07ac46af222d29c6aca905bce9. 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/BEE022415230.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. II: No. 33. Choral, "Was schadet mir des Todes Gift" (Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c37b24d234d2f38e62d17d398e8325c967157b247d9d58b1b1982ddbb1135e. 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/BEE022415233.
Passionsoratorium, BWV Anh. 169 (Reconstructed by Alexander Grychtolik), Pt. I: No. 1. Aria, "Sammelt euch, getreue Seelen" (Zion) - Alternative Opening Movement According to Picander’s Libre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9d079f9f139c728515c8daab76e3c0bdfd1f25720e3bee18c57416e8b783c9. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/BEE022415234.
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
J.S. Bach: Friede auf Erden. Rekonstruierte Kantaten BWV 197.1, 80.1, 190.1
Ehre sei Gott in der Höhe, BWV 197.1 (Reconstr. Dirksen): I. Coro. Ehre sei Gott in der Höhe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34975926c91bed3d764a41be9b7619b52938788eaeae5996638fea37c570e82f. 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/DEB112304501.
Ehre sei Gott in der Höhe, BWV 197.1 (Reconstr. Dirksen): VII. Choral. Wohlan, so will ich mich
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28477bc7ff665511e12806d12a31ee975772e8d46ef6a7fe898f69b8acbb8696. 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/DEB112304507.
Alles, was von Gott geboren, BWV 80.1 (Reconstr. Hofmann): IV. Recitativo. So stehe dann bei Christi blutbefärbten Fahne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a069a9d582a35b633e74e87e142a310c55699ca129ae4bb50a32551e97501bb. 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/DEB112304511.
Alles, was von Gott geboren, BWV 80.1 (Reconstr. Hofmann): V. Duetto. Wie selig ist der Leib
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d9d80dfd4d0af88f4a090b541414a5ccfe05eaa761ac0911e86fa69da49a02. 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/DEB112304512.
Singet dem Herrn ein neues Lied, BWV 190.1 (Reconstr. Masaaki & Masato Suzuki): I. Chorus. Singet dem Herrn ein neues Lied
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfc9e8c4b75524fe9e4fccf11b0ba0aab092b564bbdff2b9809349832a9607ca. 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/DEB112304514.
Alles, was von Gott geboren, BWV 80.1 (Reconstr. Hofmann): III. Aria. Komm in mein Herzenshaus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc31289365fb9b0a8ff315befb6b8c1cf312e795ca929e425f206f6d99a2b6d2a. 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/DEB112304510.
Missa pro Defunctis in E-Flat Major, HocJ A1.3: I. Introitus, "Requiem æternam"
Jommelli: Missa pro Defunctis, Libera me & Miserere
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x578475fd41e4c5c41dd448888e673e91bf42f5c42af00ab7888b339e30afca26. 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/BEE022007601.
Missa pro Defunctis in E-Flat Major, HocJ A1.3: VIII. Communio, 2. Requiem aeternam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfef519a57d11e64a070c5abcaa36dc5c06e0f88311dd784e59115e05c27fb919. 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/BEE022007621.
Libera me in C Minor, HocJ E.2: IV. Tremens factus sum ego
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b527da93f54528926afa342fd28f825c756a398fb5dd0bbcedb5c2e8d7bb55. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/BEE022007626.
Missa pro Defunctis in E-Flat Major, HocJ A1.3: III. Sequentia, 3. Oro supplex et acclinis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc44b637c0aaeb1b41af837f30d346221aef03ee5588c8a7a1ea4a4f18f9caa. 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/BEE022007607.
Missa pro Defunctis in E-Flat Major, HocJ A1.3: VII. Agnus Dei, 1. Agnus Dei, qui tollis peccata mundi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650e1db0176a78dc8b16d05849a88920a7837961d375a4a24485ac3a36230069. 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/BEE022007618.
Miserere in G Minor, HocJ C1.23: XIV. Libera me de sanguinibus, Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e80a55d2cba9f5feaaf3f058d24b6c8f1a94ff6e70f14e791eb127da683458. 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/BEE022007644.
Kantate zum 5. Sonntag nach Trinitatis, BWV 93 "Wer nur den lieben Gott lässt walten": VI. Arie. "Ich will auf den Herren schauen" (Sopran) - Live
Bachkantate, BWV 93 - Wer nur den lieben Gott lässt walten (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43819da1ea10a382e05b1b98b02a3894a81b4335a769f247f06ee9e46a9551b1. 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/CH9211100337.
Missa pro Defunctis in E-Flat Major, HocJ A1.3: III. Sequentia, 1. Dies irae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5adaa6ba8ab9c19ed4f2dd45082c2624d2d898e8afb8e8bfb7548e142216d28f. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/BEE022007605.
Libera me in C Minor, HocJ E.2: I. Libera me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b2ec4f2a06992ebe929ae1a5ddc55f01c6839903a2e5f4c7d6373974c60def. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BEE022007623.
Missa pro Defunctis in E-Flat Major, HocJ A1.3: IV. Offertorium, 1. Hostias, (a) Hostias et praeces tibi, Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c0a7609ac7782df3b5eb70d855cbfda489f2aa9b02d2a19020e5b9dd521c7d. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/BEE022007612.
Miserere in G Minor, HocJ C1.23: XVIII. Benigne fac Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed3838bf54385d309417d8aaae4c2a05da015b4c14f5d490b791af454d8b0ea. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/BEE022007648.
Kantate zum 5. Sonntag nach Trinitatis, BWV 93 "Wer nur den lieben Gott lässt walten": IV. Arie. "Er kennt die rechten Freudenstunden" (Duett Sopran, Alt) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a00bc9c2402a6c1ad9e0dfc38d8d7bca773f585ac172ca62cf5cfd8c17f9ef. 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/CH9211100335.
Miserere in G Minor, HocJ C1.23: VI. Ecce enim veritatem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6138054693a5cf0bf201917df1ae3fa0e4042d9e48e176c5b9d285dc4c0c53e3. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/BEE022007636.
Miserere in G Minor, HocJ C1.23: X. Cor mundum crea in me Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28519d4007d9b98dfad481a3a05ee4087cfeff627437bf2833dd51cd3092a1ba. 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/BEE022007640.