Ute Selbig is German soprano in opera and concert. She has been a member of the Semperoper from 1985. She recorded Bach's Mass in B minor and St Matthew Passion with the Thomanerchor conducted by Geor
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 0xe62854a73beced0e13a576a04e1bed9371936e021d0f3fbe8ae24662765eec9c. Chain 2 (Bitcoin): anchored in block 953885 (2026-06-16T04:12:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0c9b4a11-018a-44d5-957f-4a40c0859d65.json and https://artists.proofprofile.net/proofs/artist/0c9b4a11-018a-44d5-957f-4a40c0859d65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Classic Moods - Pergolesi, G.B. / Bach, J.S. / Handel, G.F. / Bach, C.P.E. / Mozart, W.A. / Haydn, F.J. / Donizetti, G. / Mendelssohn, Felix
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 0x55de50f8d2a30b805834adf3af77f757280be8e919996c64014532ea1588ef2a. 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/US5541505406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb798092d95ed791e41eb00e9105be2c44189e454fc8e271e669acfb5d11f2a85. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/US2TL0904502.
3 Motets, Op. 39, MWV SD17: No. 1. Hear my prayer, O Lord (Veni, Domine)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c3d81e21aeac2f7313f7287730433823664393fa8ab65d69be1a151fb3ff251. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/US2TL0904507.
Saint-Saens, C.: Oratorio De Noel / Mendelssohn, F.: Vom Himmel Hoch
Vom Himmel hoch, da komm ich her (Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0fec6d6b87251da40dcf2a6deb70ff41944168912b4e07942166bc9ffedd496. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/USB8U1009971.
Vom Himmel hoch: Finale: Lob, Ehr sei Gott im hochsten Thron (Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b664f3a7889e05e1c89e3f08c1c56317319f83203d6fd9724a31cb1bc920e70. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USB8U1009976.
Mendelssohn, Felix: Vom Himmel hoch / Magnificat in D major / Hor mein Bitten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0fec6d6b87251da40dcf2a6deb70ff41944168912b4e07942166bc9ffedd496. 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/USB8U1009971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb798092d95ed791e41eb00e9105be2c44189e454fc8e271e669acfb5d11f2a85. 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/US2TL0904502.
Gustav Schreck: Christus, der Auferstandene
Frère André, un homme de prière: musique pour la réflexion et la méditation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98cc0987bf6a318b7d3f199ed132ce23873a6816ce26675be10d821d34e8e5d3. 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/CADC41412234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66f0dd47f0f05907e975a503f0d85390caa8b330dafbfd987b8ab6d9a6068cd3. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/CADC41412224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0a7b604327be88a5abf095546455cbf23ba7f73e7bf019c720981be9e8e1a1. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/CADC41412241.
Silent Night: 99 Must-Have Peaceful Christmas Classics
Christmas Around the World: 50 Must-Have Christmas Classics
100 Must-Have Christmas Carols and Chants
50 Must-Have Boys' Choir Christmas Classics
Mozart: Complete Edition Vol.11: Vespers, Oratorios etc
Litaniae de BMV "Lauretanae" in B flat, K.109: 1. Kyrie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b6eb9e19fdd6f25f631a4697073811e8400c0179a4c5e02b38838a0c744109. 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/NLA508201707.
Litaniae de venerabili altaris sacramento in B flat, K.125: 1. Kyrie eleison
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8acadfa74f3e23c317eccfb0dcfe9eb24ced049710442bd72c2fe9dca61a30c. 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/NLA508201714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0643f2382f459e95c4d8377fcf5e778505263a676f67adc2fbf6b4833850579. 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/NLA508900301.
Litaniae de BMV "Lauretanae" in B flat, K.109: 2. Sancta Maria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa73ec76c3e19edec93049274cd2dc4ce36a0977bf9ba9d90974150321923e42e. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/NLA508201708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2679847089a5434866a4759fbc47f63bbcf9c09185f2175b340c5c3fde6dff29. 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/NLA508900302.
Litaniae de BMV "Lauretanae" in B flat, K.109: 3. Salus infirmorum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79a30bfb8552a41b84f9e6f04194033c52ef4d5ce044a4d02d8da8fe27968281. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508201709.
Scandi coeli limina, K.34: 1. Scande coeli limina
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adc9cba1572186051236601723e8321514f56e930b3ebb5472487ea2af6cedd. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508900305.
Litaniae de venerabili altaris sacramento in E flat, K.243: 1. Kyrie eleison
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf025da7ccb3bd02f5a271476061d951d826f4f64a556d540dcac9b66b9beba51. 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/NLA507728901.
Litaniae de venerabili altaris sacramento in B flat, K.125: 8. Pignus futurae gloriae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4afd9d60f8b059faa185976e95955fcc9ece246b4dbb3f6dd212d23657321f7a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLA508201720.
Litaniae Lauretanae BMV in D, K.195: 2. Sancta Maria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061d963a752a4f565d1cc662bf88e23451e2646019a4a89047b6fa3625181a87. 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/NLA507728914.
Tippett, M.: Child of Our Time (A) (Staatskapelle Dresden Edition, Vol. 25)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6992435732b155afb5ea22ecadf88b690ecba408976ab274f6042f39e56aa9e. 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/DER411080095.
Johann Sebastian Bach: Messe h-Moll / Mass in B Minor, BWV 232
Messe h-Moll, BWV 232, I. Kyrie: Kyrie eleison
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Messe h-Moll, BWV 232, III. Credo: Credo in unum Deum
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Messe h-Moll, BWV 232, I. Kyrie: Christe eleison
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Messe h-Moll, BWV 232, III. Credo: Patrem omnipotentem
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Messe h-Moll, BWV 232, I. Kyrie: Kyrie eleison II
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Messe h-Moll, BWV 232, III. Credo: Et in unum Dominum
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Messe h-Moll, BWV 232, II. Gloria: Gloria in excelsis Deo - Et in terra pax
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Messe h-Moll, BWV 232, III. Credo: Et incarnatus est
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc127d07f4c46f2cb39949c8a71cacd458c3c02b166830a638f6f8e3508a6cb1d. 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/DEN421315015.
Messe h-Moll, BWV 232, II. Gloria: Laudamus te
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Messe h-Moll, BWV 232, III. Credo: Crucifixus
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Messe h-Moll, BWV 232, II. Gloria: Gratias agimus tibi
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Messe h-Moll, BWV 232, III. Credo: Et resurrexit
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Messe h-Moll, BWV 232, II. Gloria: Domine Deus
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Messe h-Moll, BWV 232, III. Credo: Et in Spiritum sanctum
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Messe h-Moll, BWV 232, II. Gloria: Qui tollis peccata mundi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa58a7b12b4bafebc5b8bf9e31e4c008576fceef9abf68bc98da0cba46c2bf737. 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/DEN421315008.
Messe h-Moll, BWV 232, III. Credo: Confiteor - Et exspecto
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Messe h-Moll, BWV 232, II. Gloria: Qui sedes ad dextram Patris
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Messe h-Moll, BWV 232, IV. Sanctus: Sanctus
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Messe h-Moll, BWV 232, IV. Sanctus: Osanna in excelsis
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Messe h-Moll, BWV 232, II. Gloria: Cum Sancto Spiritu
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Messe h-Moll, BWV 232, IV. Sanctus: Benedictus
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Messe h-Moll, BWV 232, IV. Sanctus: Osanna in excelsis II
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Messe h-Moll, BWV 232, V. Agnus Dei: Agnus Dei
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Messe h-Moll, BWV 232, V. Agnus Dei: Dona nobis pacem
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Johann Sebastian Bach: Matthäus-Passion / St Matthew Passion (BWV 244 b) Frühfassung / Early Version
Matthäus-Passion / St Matthew Passion (BWV 244 b) Frühfassung / Early Version: Kommt ihr Töchter, helft mir klagen
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Matthäus-Passion / St Matthew Passion (BWV 244 b) Frühfassung / Early Version: Herzliebster Jesu, was hast du verbrochen
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Matthäus-Passion / St Matthew Passion (BWV 244 b) Frühfassung / Early Version: So ist mein Jesus nun gefangen - Sind Blitze, sind Donner in Wolken verschwunden
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Mozart: Shorter Sacred Works (Complete Mozart Edition)
Felix Mendelssohn: Essential Vocal Works
Sibelius, J.: Symphony No. 2 / En Saga / Luonnotar (C. Davis) (Staatskapelle Dresden Edition, Vol. 5)