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genre: medieval
description: Markus Forster is a classical singer of the voice types altus and countertenor, especially in Early music and Baroque music. Born in Innsbruck, Forster studied at the Mozarteum, where he graduated wi
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  track: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": III. Arie. "Ewigkeit, du machst mir bange" (Tenor)
  track: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": IV. Rezitativ. "Gesetzt, es dau'rte der Verdammten Qual" (Bass)
  track: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": VI. Arie. "O Mensch, errette deine Seele" (Altus)
  track: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": IX. Rezitativ. "Verlass, o Mensch, die Wollust dieser Welt" (Altus)
  track: Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": I. Arie. "Meine Seufzer, meine Tränen" (Tenor)
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  track: Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": IV. Rezitativ. "Mein Kummer nimmet zu" (Sopran)
  track: Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": VI. Choral. "So sei nun, Seele, deine"
  track: Kantate zu Jubilate, BWV 103 "Ihr werdet weinen und heulen": I. Chor und Arioso. "Ihr werdet weinen und heulen" (Bass)
  track: Kantate zu Jubilate, BWV 103 "Ihr werdet weinen und heulen": IV. Rezitativ. "Du wirst mich nach der Angst auch wiederum erquicken" (Alt)
  track: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": X. Arie. "O Menschenkind, hör auf geschwind" (Duett Altus, Tenor)
album: Haydn, M.: Hochzeit Auf Der Alm (Die) / Der Bassgeiger Zu Worgl
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album: Hochreiter: Requiem - Missa Jubilus sacer
album: Bachkantate, BWV 144 - Nimm, was dein ist, und gehe hin
album: Bachkantate, BWV 89 - Was soll ich aus dir machen, Ephraim
album: Biber: Chi la dura la vince "Arminio" (Arr. W. Brunner)
album: Zelenka: Melodrama de Sancto Wenceslao. Music from 18th Century Prague
album: Dukát: Cithara nova 1707
album: Zelenka: Sub olea pacis et palma virtutis
album: Fischer: Sacred Music
album: Bachkantaten N°11 (BWV 170, 26, 172)
album: Bachkantaten N°3 (BWV 132, 35, 1)
album: Bachkantate, BWV 146 - Wir müssen durch viel Trübsal
album: Bachkantaten N°4 (BWV 78, 54, 63)
album: Bachkantaten N°2 (BWV 22, 60, 34)
album: Bachkantate, BWV 163 - Nur jedem das Seine
album: Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
album: Carmina ! (Live)
album: Bachkantate, BWV 79 - Gott der Herr ist Sonn und Schild (Live)
album: Bachkantate, BWV 46 - Schauet doch und sehet, ob irgendein Schmerz sei
album: Bachkantate, BWV 136 - Erforsche mich, Gott, und erfahre mein Herz (Live)
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album: Medieval Songs From the Codex Buranus, 13Th Century (Carmina Burana)
album: Laber, H. Von: Vocal Music (Jagd Nach Liebe)
album: Romantische Liebesperlen
album: Vertiklang by Roli Fiechter

Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": VI. Arie. "O Mensch, errette deine Seele" (Altus)
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audio: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": VI. Arie. "O Mensch, errette deine Seele" (Altus)
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Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": IX. Rezitativ. "Verlass, o Mensch, die Wollust dieser Welt" (Altus)
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Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": X. Arie. "O Menschenkind, hör auf geschwind" (Duett Altus, Tenor)
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audio: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": X. Arie. "O Menschenkind, hör auf geschwind" (Duett Altus, Tenor)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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

Nimm, was dein ist, und gehe hin, BWV 144: II. Arie (Alt) - Murre nicht, lieber Christ
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by artist: Johann Sebastian Bach
by artist: Orchester der J. S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
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genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:42:35Z
audio: Nimm, was dein ist, und gehe hin, BWV 144: II. Arie (Alt) - Murre nicht, lieber Christ
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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

Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": IV. Rezitativ. "Ich will, mein Gott, dir frei heraus bekennen" (Altus)
type: MusicRecording
duration: PT1M53S
duration ms: 113226
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantaten N°3 (BWV 132, 35, 1)
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  date published: 2012-05-30
popularity: 1
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29399cf235f47cf461f3d84d1cf4a1fad5854309e8155139e7cd30432d0e215b. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/CH9211100039.
  date published: 2026-08-01T01:44:32Z
audio: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": IV. Rezitativ. "Ich will, mein Gott, dir frei heraus bekennen" (Altus)
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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

Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": V. Arie. "Christi Glieder, ach, bedenket" (Altus)
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duration: PT3M37S
duration ms: 217826
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantaten N°3 (BWV 132, 35, 1)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 1
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd78dbefe5667cabf4a359a2458fb7d6958f10d057cde600f93765a6b7c114c69. 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/CH9211100040.
  date published: 2026-07-31T19:53:13Z
audio: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": V. Arie. "Christi Glieder, ach, bedenket" (Altus)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Wir müssen durch viel Trübsal, BWV 146: III. Arie (Alt) - Ich will nach dem Himmel zu - Live
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duration: PT7M51S
duration ms: 471318
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Orchester der J. S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantate, BWV 146 - Wir müssen durch viel Trübsal
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  date published: 2022-06-30
popularity: 1
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd1967ae9691da04ba8f128b8830f105e317aeb2bd8c4d719b906a93813a89f. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/CH9212200039.
  date published: 2026-07-30T21:35:24Z
audio: Wir müssen durch viel Trübsal, BWV 146: III. Arie (Alt) - Ich will nach dem Himmel zu - Live
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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

Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": I. Arie. "Widerstehe doch der Sünde" (Alt)
type: MusicRecording
duration: PT6M40S
duration ms: 400200
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantaten N°4 (BWV 78, 54, 63)
  type: MusicAlbum
  date published: 2012-05-30
genre: classical
genre: classical-piano
isrc code: CH9211100062
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100062
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bbf54a16913d8db18d1236b6568cf3ab52c56754d990cf8b32c0038cacc4365. 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/CH9211100062.
  date published: 2026-07-08T03:20:19Z
audio: Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": I. Arie. "Widerstehe doch der Sünde" (Alt)
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Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": III. Arie. "Wer Sünde tut, der ist vom Teufel" (Alt)
type: MusicRecording
duration: PT2M53S
duration ms: 173546
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantaten N°4 (BWV 78, 54, 63)
  type: MusicAlbum
  date published: 2012-05-30
genre: classical
genre: classical-piano
isrc code: CH9211100064
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f5ed786eb703e0c0631894645f9951dee8aea7d84a7c58616d9562e26ea7d1. 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/CH9211100064.
  date published: 2026-07-08T03:20:19Z
audio: Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": III. Arie. "Wer Sünde tut, der ist vom Teufel" (Alt)
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Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": II. Rezitativ. "Die Art verruchter Sünden" (Alt)
type: MusicRecording
duration: PT1M13S
duration ms: 73293
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantaten N°4 (BWV 78, 54, 63)
  type: MusicAlbum
  date published: 2012-05-30
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f1fc10f85806f8e8608953464571392ddbff581fb26326139ed6bc6a459161. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/CH9211100063.
  date published: 2026-07-31T08:26:41Z
audio: Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": II. Rezitativ. "Die Art verruchter Sünden" (Alt)
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  additional property: Tempo (BPM)
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isrc code: CH9211100063
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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

Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": II. Arie. "Mein Jesu, ziehe mich nach dir" (Altus)
type: MusicRecording
duration: PT4M9S
duration ms: 249853
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Markus Forster
in album: Bachkantaten N°2 (BWV 22, 60, 34)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 2
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d57cd683c5361446f0de04ff96fa42194fbfda7cf7d48e789fa33f916ce5a5. 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/CH9211100022.
  date published: 2026-07-30T15:42:38Z
audio: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": II. Arie. "Mein Jesu, ziehe mich nach dir" (Altus)
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  additional property: Danceability
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isrc code: CH9211100022
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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

Gott der Herr ist Sonn und Schild, BWV 79: II. Arie - Gott ist unsre Sonn und Schild (Alt) - Live
type: MusicRecording
duration: PT2M57S
duration ms: 177863
explicit: false
by artist: Johann Sebastian Bach
by artist: Markus Forster
in album: Bachkantate, BWV 79 - Gott der Herr ist Sonn und Schild (Live)
  type: MusicAlbum
  date published: 2017-11-18
popularity: 5
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857a87086262d775dfaf9653ae0e677114267f75099dd7375b9ad8e86587014f. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/CH9211700128.
  date published: 2026-07-31T16:09:41Z
audio: Gott der Herr ist Sonn und Schild, BWV 79: II. Arie - Gott ist unsre Sonn und Schild (Alt) - Live
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  additional property: Tempo (BPM)
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  additional property: Danceability
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isrc code: CH9211700128
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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

Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
type: PropertyValue
value: 0.166

Loudness (dB)
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value: -20.881

Key Name
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Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": III. Arie. "Ewigkeit, du machst mir bange" (Tenor)
type: MusicRecording
duration: PT2M50S
duration ms: 170448
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Daniel Johannsen
in album: Bachkantaten N°13 (BWV 20, 13, 103)
  type: MusicAlbum
  date published: 2015-03-02
popularity: 2
genre: classical
genre: classical-piano
isrc code: CH9211100294
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:59:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e551b5017440b54d26362d0a19c92dc185b3e14dd55838229bcbd7405782666
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100294
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e551b5017440b54d26362d0a19c92dc185b3e14dd55838229bcbd7405782666. 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/CH9211100294.
  date published: 2026-07-08T03:22:41Z
audio: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": III. Arie. "Ewigkeit, du machst mir bange" (Tenor)
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": IV. Rezitativ. "Gesetzt, es dau'rte der Verdammten Qual" (Bass)
type: MusicRecording
duration: PT1M17S
duration ms: 77154
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Wolf Matthias Friedrich
in album: Bachkantaten N°13 (BWV 20, 13, 103)
  type: MusicAlbum
  date published: 2015-03-02
popularity: 2
genre: classical
genre: classical-piano
isrc code: CH9211100295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:09:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8785847992696e19bca5af19eb5e55d44026f941b154c8cc6dac25e06117ac8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100295
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8785847992696e19bca5af19eb5e55d44026f941b154c8cc6dac25e06117ac8. 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/CH9211100295.
  date published: 2026-07-08T08:56:20Z
audio: Kantate zum 1. Sonntag nach Trinitatis, BWV 20 "O Ewigkeit, du Donnerwort": IV. Rezitativ. "Gesetzt, es dau'rte der Verdammten Qual" (Bass)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.445
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  additional property: Mode (Major/Minor)
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  additional property: Key Name
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Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": I. Arie. "Meine Seufzer, meine Tränen" (Tenor)
type: MusicRecording
duration: PT7M48S
duration ms: 468470
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Jakob Pilgram
in album: Bachkantaten N°13 (BWV 20, 13, 103)
  type: MusicAlbum
  date published: 2015-03-02
popularity: 1
genre: classical
genre: classical-piano
isrc code: CH9211100303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:43:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4285dac3360d6f1a7bc2874c667477f217cd37367711bb689c178c8f7b38bc5
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4285dac3360d6f1a7bc2874c667477f217cd37367711bb689c178c8f7b38bc5. 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/CH9211100303.
  date published: 2026-07-08T03:20:19Z
audio: Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": I. Arie. "Meine Seufzer, meine Tränen" (Tenor)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.673
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": II. Rezitativ. "Mein liebster Gott lässt mich annoch" (Altus)
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  date published: 2026-07-08T03:22:41Z
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Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": III. Choral. "Der Gott, der mir hat versprochen"
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Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": IV. Rezitativ. "Mein Kummer nimmet zu" (Sopran)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Kantate zum 2. Sonntag nach Epiphanias, BWV 13 "Meine Seufzer, meine Tränen": VI. Choral. "So sei nun, Seele, deine"
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  date published: 2026-07-08T03:22:41Z
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Kantate zu Jubilate, BWV 103 "Ihr werdet weinen und heulen": I. Chor und Arioso. "Ihr werdet weinen und heulen" (Bass)
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  date published: 2026-07-02T03:55:08Z
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Kantate zu Jubilate, BWV 103 "Ihr werdet weinen und heulen": IV. Rezitativ. "Du wirst mich nach der Angst auch wiederum erquicken" (Alt)
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  date published: 2026-07-08T03:53:27Z
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Haydn, M.: Hochzeit Auf Der Alm (Die) / Der Bassgeiger Zu Worgl
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M. Haydn: Der Traum
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Hochreiter: Requiem - Missa Jubilus sacer
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Bachkantate, BWV 144 - Nimm, was dein ist, und gehe hin
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track: Nimm, was dein ist, und gehe hin, BWV 144: IV. Rezitativ (Tenor) - Wo die Genügsamkeit regiert
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Bachkantate, BWV 89 - Was soll ich aus dir machen, Ephraim
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Biber: Chi la dura la vince "Arminio" (Arr. W. Brunner)
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Zelenka: Melodrama de Sancto Wenceslao. Music from 18th Century Prague
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Dukát: Cithara nova 1707
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Zelenka: Sub olea pacis et palma virtutis
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Fischer: Sacred Music
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Bachkantaten N°11 (BWV 170, 26, 172)
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track: Kantate zum 24. Sonntag nach Trinitatis, BWV 26 "Ach wie flüchtig, ach wie nichtig": I. Chor. "Ach wie flüchtig, ach wie nichtig"
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Bachkantaten N°3 (BWV 132, 35, 1)
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track: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": II. Rezitativ & Arioso. "Willst du dich gottes Kind und Christi Bruder nennen" (Tenor)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": II. Rezitativ & Arioso. "Willst du dich gottes Kind und Christi Bruder nennen" (Tenor)
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track: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": III. Arie. "Wer bist du?" (Bass)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": III. Arie. "Wer bist du?" (Bass)
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track: Kantate zum 12. Sonntag nach Trinitatis, BWV 35 "Geist und Seele wird verwirret": IV. Arie. "Gott hat alles wohlgemacht" (Alt)
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  subject of: OpenTimestamps Proof of Existence
  audio: Kantate zum 12. Sonntag nach Trinitatis, BWV 35 "Geist und Seele wird verwirret": IV. Arie. "Gott hat alles wohlgemacht" (Alt)
track: Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": II. Rezitativ. "Du Wahrer Gottes und Marien Sohn" (Tenor)
track: Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": VI. Choral. "Wie bin ich doch so herzlich froh"
track: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": IV. Rezitativ. "Ich will, mein Gott, dir frei heraus bekennen" (Altus)
track: Kantate zum 4. Advent, BWV 132 "Bereitet die Wege, bereitet die Bahn!": V. Arie. "Christi Glieder, ach, bedenket" (Altus)

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 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

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49f5ef0da55adef6e7b0b2fdb220572866f605d7e5b05542903a89e54df09b6. 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/CH9211100045.
date published: 2026-07-08T03:22:41Z

Kantate zum 12. Sonntag nach Trinitatis, BWV 35 "Geist und Seele wird verwirret": IV. Arie. "Gott hat alles wohlgemacht" (Alt)
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Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": II. Rezitativ. "Du Wahrer Gottes und Marien Sohn" (Tenor)
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by artist: Makoto Sakurada
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popularity: 1
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": II. Rezitativ. "Du Wahrer Gottes und Marien Sohn" (Tenor)
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Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": VI. Choral. "Wie bin ich doch so herzlich froh"
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popularity: 1
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": VI. Choral. "Wie bin ich doch so herzlich froh"
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Bachkantate, BWV 146 - Wir müssen durch viel Trübsal
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date published: 2022-06-30
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Wir müssen durch viel Trübsal, BWV 146: III. Arie (Alt) - Ich will nach dem Himmel zu - Live

Bachkantaten N°4 (BWV 78, 54, 63)
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date published: 2012-05-30
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": I. Arie. "Widerstehe doch der Sünde" (Alt)
track: Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": III. Arie. "Wer Sünde tut, der ist vom Teufel" (Alt)
track: Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": V. Arie. "Ruft und fleht den Himmel an" (Alt, Tenor)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": VI. Rezitativ. "Verdoppelt euch demnach, ihr heissen Andachtsflammen" (Bass)
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  subject of: OpenTimestamps Proof of Existence
  audio: Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": VI. Rezitativ. "Verdoppelt euch demnach, ihr heissen Andachtsflammen" (Bass)
track: Kantate zum Sonntag Oculi, BWV 54 "Widerstehe doch der Sünde": II. Rezitativ. "Die Art verruchter Sünden" (Alt)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T08:56:20Z

Kantate zum 1. Weihnachtstag, BWV 63 "Christen, ätzet diesen Tag": VI. Rezitativ. "Verdoppelt euch demnach, ihr heissen Andachtsflammen" (Bass)
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Bachkantaten N°2 (BWV 22, 60, 34)
type: MusicAlbum
date published: 2012-05-30
track: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": I. Arioso & Chor. "Jesus nahm zu sich die Zwölfe" (Tenor, Bass)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": I. Arioso & Chor. "Jesus nahm zu sich die Zwölfe" (Tenor, Bass)
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track: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": IV. Arie. "Mein alles in allem" (Tenor)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": V. Choral. "Ertöt uns durch dein Güte"
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  subject of: OpenTimestamps Proof of Existence
  audio: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": V. Choral. "Ertöt uns durch dein Güte"
track: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": I. Arie. "O Ewigkeit, du Donnerwort" (Alt, Tenor)
track: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": II. Rezitativ. "O schwerer Gang zum letzten Kampf" (Alt, Tenor)
track: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": IV. Rezitativ. "Der Tod bleibt doch der menschlichen Natur verhasst" (Alt, Bass)
track: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": V. Choral. "Es ist genung, Herr, wenn es dir gefällt"
track: Kantate zu Pfingsten, BWV 34 "O ewiges Feuer, o Ursprung der Liebe": I. Chor. "O ewiges Feuer, o Ursprung der Liebe"
track: Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": II. Arie. "Mein Jesu, ziehe mich nach dir" (Altus)

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OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100025

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

OTSVerifyInstructions
type: PropertyValue
value: 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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023ee8f8fb7511acf17536406177979aa33a07770ad856bf323460d1eb8b49a8. 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/CH9211100025.
date published: 2026-07-08T03:53:27Z

Kantate zu Estomihi, BWV 22 "Jesus nahm zu sich die Zwölfe": V. Choral. "Ertöt uns durch dein Güte"
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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  value: 5
additional property: Danceability
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  value: 0.343
additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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  value: 0.976
additional property: Instrumentalness
  type: PropertyValue
  value: 0.379
additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.51
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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  value: F#
additional property: Mode Name
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Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": I. Arie. "O Ewigkeit, du Donnerwort" (Alt, Tenor)
type: MusicRecording
duration: PT4M15S
duration ms: 255533
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Claude Eichenberger
by artist: Bernhard Berchtold
in album: Bachkantaten N°2 (BWV 22, 60, 34)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 1
genre: classical
genre: classical-piano
isrc code: CH9211100026
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T13:24:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55a89218e5627f4d7a1c0a1168e75081ecb579ea314c7790fddb0eabf6334745
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100026
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a89218e5627f4d7a1c0a1168e75081ecb579ea314c7790fddb0eabf6334745. 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/CH9211100026.
  date published: 2026-07-08T03:20:19Z
audio: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": I. Arie. "O Ewigkeit, du Donnerwort" (Alt, Tenor)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": II. Rezitativ. "O schwerer Gang zum letzten Kampf" (Alt, Tenor)
type: MusicRecording
duration: PT2M32S
duration ms: 152680
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Claude Eichenberger
by artist: Bernhard Berchtold
in album: Bachkantaten N°2 (BWV 22, 60, 34)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 1
genre: classical
genre: classical-piano
isrc code: CH9211100027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:32:07+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100027
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57bc32d29e3b0533c770eca071ab35ae531f99ccbd6f4021f0561a561f7fcaaf. 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/CH9211100027.
  date published: 2026-07-08T08:56:20Z
audio: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": II. Rezitativ. "O schwerer Gang zum letzten Kampf" (Alt, Tenor)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.089
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": IV. Rezitativ. "Der Tod bleibt doch der menschlichen Natur verhasst" (Alt, Bass)
type: MusicRecording
duration: PT5M29S
duration ms: 329173
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Claude Eichenberger
by artist: Markus Volpert
in album: Bachkantaten N°2 (BWV 22, 60, 34)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 1
genre: classical
genre: classical-piano
isrc code: CH9211100029
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf314b85ab2258a65194b00b7bb3a8432a36a2d25ce0c6746d046764f53667d6a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100029
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf314b85ab2258a65194b00b7bb3a8432a36a2d25ce0c6746d046764f53667d6a. 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/CH9211100029.
  date published: 2026-07-08T08:56:20Z
audio: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": IV. Rezitativ. "Der Tod bleibt doch der menschlichen Natur verhasst" (Alt, Bass)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": V. Choral. "Es ist genung, Herr, wenn es dir gefällt"
type: MusicRecording
duration: PT1M28S
duration ms: 88826
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
in album: Bachkantaten N°2 (BWV 22, 60, 34)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 1
genre: classical
genre: classical-piano
isrc code: CH9211100030
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf891668e9f3cba02e355b075408ff206939dba48252f161cc4eb123489be498c. 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/CH9211100030.
  date published: 2026-07-08T03:22:41Z
audio: Kantate zum 24. Sonntag nach Trinitatis, BWV 60 "O Ewigkeit, du Donnerwort": V. Choral. "Es ist genung, Herr, wenn es dir gefällt"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Kantate zu Pfingsten, BWV 34 "O ewiges Feuer, o Ursprung der Liebe": I. Chor. "O ewiges Feuer, o Ursprung der Liebe"
type: MusicRecording
duration: PT7M3S
duration ms: 423053
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
in album: Bachkantaten N°2 (BWV 22, 60, 34)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 3
genre: classical
genre: classical-piano
isrc code: CH9211100031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:56:57+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100031
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e0508d057b1d3f25f46f83320f0577c6c0a0eac48dd13b2285d87916e5725d. 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/CH9211100031.
  date published: 2026-07-08T03:53:27Z
audio: Kantate zu Pfingsten, BWV 34 "O ewiges Feuer, o Ursprung der Liebe": I. Chor. "O ewiges Feuer, o Ursprung der Liebe"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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Bachkantate, BWV 163 - Nur jedem das Seine
type: MusicAlbum
date published: 2015-08-04

Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
type: MusicAlbum
date published: 2016-12-15
track: Pulchra es amica mea aus der Marienvesper
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  by artist: Claudio Monteverdi
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  by artist: Nathalie Gaudefroy
  in album: Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
    type: MusicAlbum
    date published: 2016-12-15
  popularity: 4
  genre: classical
  genre: early-music
  genre: baroque
  genre: italian-baroque
  genre: italian-renaissance
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  genre: renaissance
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8160f7e047d644e0a4311442d12df1666e284fbcc4797dde08e5c7ba9737530e. 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/ATP571571020.
    date published: 2026-07-08T03:53:27Z
  audio: Pulchra es amica mea aus der Marienvesper
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Carmina ! (Live)
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Bachkantate, BWV 79 - Gott der Herr ist Sonn und Schild (Live)
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date published: 2021-01-31

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date published: 2019-05-15

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date published: 2018-04-06

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date published: 2009-06-30

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