Michael Jäckel
type: MusicGroup
popularity: 5
followers: 32
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01b3e87a3b48ea01a310519d6a7015b3e8168baf6a3c54af6ef6a80d8509ef5d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/52a759f8-1067-4f83-9a91-229782336bbc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/52a759f8-1067-4f83-9a91-229782336bbc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/52a759f8-1067-4f83-9a91-229782336bbc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b3e87a3b48ea01a310519d6a7015b3e8168baf6a3c54af6ef6a80d8509ef5d. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/52a759f8-1067-4f83-9a91-229782336bbc.json and https://artists.proofprofile.net/proofs/artist/52a759f8-1067-4f83-9a91-229782336bbc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
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album: Claudio Monteverdi: Vespro della Beata Vergine (Marienvesper)
  type: MusicAlbum
  date published: 2011-11-21
  track: Deus, in adiutorium meum intende
    type: MusicRecording
    duration: PT2M9S
    duration ms: 129000
    explicit: false
    by artist: Claudio Monteverdi
    by artist: Knabenchor Hannover
    by artist: Jan Kobow
    by artist: Himlische Cantorey
    by artist: Vox Werdensis
    by artist: Concerto Palatino
    by artist: Musica Alta Ripa
    by artist: Jörg Breiding
    in album: Claudio Monteverdi: Vespro della Beata Vergine (Marienvesper)
      type: MusicAlbum
      date published: 2011-11-21
    popularity: 0
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: italian-renaissance
    genre: madrigal
    genre: renaissance
    isrc code: DEN421113001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T18:59:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x574e68b47f5a09db482f8b4250239d761e52e71b84ec2e68a8eaeee31ad3634c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      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/DEN421113001
    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 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574e68b47f5a09db482f8b4250239d761e52e71b84ec2e68a8eaeee31ad3634c. 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/DEN421113001.
      date published: 2026-07-08T03:22:41Z
    audio: Deus, in adiutorium meum intende
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.604
      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      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
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
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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
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  track: Dixit Dominus
    type: MusicRecording
    duration: PT8M2S
    duration ms: 482000
    explicit: false
    by artist: Claudio Monteverdi
    by artist: Knabenchor Hannover
    by artist: Vox Werdensis
    by artist: Concerto Palatino
    by artist: Musica Alta Ripa
    by artist: Jörg Breiding
    in album: Claudio Monteverdi: Vespro della Beata Vergine (Marienvesper)
      type: MusicAlbum
      date published: 2011-11-21
    popularity: 1
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: italian-renaissance
    genre: madrigal
    genre: renaissance
    isrc code: DEN421113003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T11:26:12+00:00
    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960397
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960397
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN421113003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T12:24:41Z
    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 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8daed03c72f49b6e52b2b1801b2612406546da966e30925199550539598107ae. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN421113003.
      date published: 2026-07-31T12:24:41Z
    audio: Dixit Dominus
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.334
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Knabenchor Hannover: Michaelisvesper mit Werken von Michael Praetorius
album: Johann Sebastian Bach: Markus-Passion BWV 247

Mode (Major/Minor)
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value: 0

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.214

Energy
type: PropertyValue
value: 0.114

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.988

Instrumentalness
type: PropertyValue
value: 0.032

Liveness
type: PropertyValue
value: 0.081

Valence (Positivity)
type: PropertyValue
value: 0.062

Loudness (dB)
type: PropertyValue
value: -24.666

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Knabenchor Hannover: Michaelisvesper mit Werken von Michael Praetorius
type: MusicAlbum
date published: 2021-04-01
track: Musae Sioniae V: Komm, heiliger Geist, Herre Gott
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280000
  explicit: false
  by artist: Michael Praetorius
  by artist: Knabenchor Hannover
  by artist: Hille Perl & The Sirius Viols
  by artist: Bremer Lautten Chor
  by artist: Johann Rosenmüller Ensemble
  by artist: Jörg Breiding
  in album: Knabenchor Hannover: Michaelisvesper mit Werken von Michael Praetorius
    type: MusicAlbum
    date published: 2021-04-01
  popularity: 1
  genre: medieval
  isrc code: DEN420902002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-31T11:20:52+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 960397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN420902002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0c789f0331779a3c8b36b64ff14672135345a1924bec5a3aad5421695c380ef. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN420902002.
    date published: 2026-07-31T12:24:41Z
  audio: Musae Sioniae V: Komm, heiliger Geist, Herre Gott
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.014
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.114
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.962
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.073
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.147
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.586
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Johann Sebastian Bach: Markus-Passion BWV 247
type: MusicAlbum
date published: 2014-03-10
track: Markus-Passion BWV 247: Chor: Geh, Jesu, geh zu deiner Pein!
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Knabenchor Hannover
  by artist: Hannoversche Hofkapelle
  by artist: Jörg Breiding
  in album: Johann Sebastian Bach: Markus-Passion BWV 247
    type: MusicAlbum
    date published: 2014-03-10
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEN421402001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T05:49:16+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN421402001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9569c79d7a62bb74df029083f813e2c8be27639e54785a7ba5f6171f3b63b1da. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEN421402001.
    date published: 2026-07-06T06:56:49Z
  audio: Markus-Passion BWV 247: Chor: Geh, Jesu, geh zu deiner Pein!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.174
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.077
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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track: Markus-Passion BWV 247: Rezitativ: Und nach zween Tagen war Ostern - Chor: Ja nicht auf das Fest - Rezitativ: Und da er in Bethanien war - ...
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Knabenchor Hannover
  by artist: Achim Kleinlein
  by artist: Hannoversche Hofkapelle
  by artist: Jörg Breiding
  in album: Johann Sebastian Bach: Markus-Passion BWV 247
    type: MusicAlbum
    date published: 2014-03-10
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEN421402002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    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/DEN421402002
  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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ca59441752dff78be254167fc4c908d70b8ffc928fda0537648aedf84bec19. 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/DEN421402002.
    date published: 2026-07-08T03:20:19Z
  audio: Markus-Passion BWV 247: Rezitativ: Und nach zween Tagen war Ostern - Chor: Ja nicht auf das Fest - Rezitativ: Und da er in Bethanien war - ...
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    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
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track: Markus-Passion BWV 247: Choral: Jesu, ohne Missetat
  type: MusicRecording
  duration: PT0M52S
  duration ms: 52000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Knabenchor Hannover
  by artist: Hannoversche Hofkapelle
  by artist: Jörg Breiding
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  popularity: 0
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
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  additional property: CopyrightID
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  audio: Markus-Passion BWV 247: Choral: Jesu, ohne Missetat

Jörg Breiding
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Johann Sebastian Bach: Markus-Passion BWV 247
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date published: 2014-03-10

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date published: 2026-07-08T03:22:41Z

Markus-Passion BWV 247: Choral: Jesu, ohne Missetat
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