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type: MusicGroup
popularity: 8
followers: 7
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b04ba6db7600aeb2847c9ff165ed0d3a26758fc612eda6bf2dc934ab1c8b7ff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/770e282e-2a57-4daa-93eb-b5a1b7e6f321.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/770e282e-2a57-4daa-93eb-b5a1b7e6f321.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/770e282e-2a57-4daa-93eb-b5a1b7e6f321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7b04ba6db7600aeb2847c9ff165ed0d3a26758fc612eda6bf2dc934ab1c8b7ff","name":"Johann Gottlieb Stephanie","registered_at":"2026-06-17T07:03:42Z","symbol":"NIM1318177","token_address":"0x664f691e6b1c0b51b6fa2b300055f2445ab6a3dd","type":"artist","uuid":"770e282e-2a57-4daa-93eb-b5a1b7e6f321"}
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 0x7b04ba6db7600aeb2847c9ff165ed0d3a26758fc612eda6bf2dc934ab1c8b7ff. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/770e282e-2a57-4daa-93eb-b5a1b7e6f321.json and https://artists.proofprofile.net/proofs/artist/770e282e-2a57-4daa-93eb-b5a1b7e6f321.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7b04ba6db7600aeb2847c9ff165ed0d3a26758fc612eda6bf2dc934ab1c8b7ff","name":"Johann Gottlieb Stephanie","registered_at":"2026-06-17T07:03:42Z","symbol":"NIM1318177","token_address":"0x664f691e6b1c0b51b6fa2b300055f2445ab6a3dd","type":"artist","uuid":"770e282e-2a57-4daa-93eb-b5a1b7e6f321"}
track: Die Entführung aus dem Serail, K. 384: Overture
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240600
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Johann Gottlieb Stephanie
  by artist: Akademie für Alte Musik Berlin
  by artist: René Jacobs
  in album: Mozart: Die Entführung aus dem Serail
    type: MusicAlbum
    date published: 2015-10-15
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: FRZ141423010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T23:27:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10285621d287ef922f745f9d4d36cf155e6e267eee5039460e71454b6e6c7723
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960166
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960166
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T23:39:29Z
  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 0x10285621d287ef922f745f9d4d36cf155e6e267eee5039460e71454b6e6c7723. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423010 — a six-check JSON result.
    date published: 2026-07-29T23:39:29Z
  audio: Die Entführung aus dem Serail, K. 384: Overture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.939
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.248
    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
      value: 0
    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.648
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Die Entführung aus dem Serail, K. 384, Act I Scene 1: No. 1, Arie "Hier soll ich dich denn sehen" (Belmonte)
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141466
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Johann Gottlieb Stephanie
  by artist: Maximilian Schmitt
  by artist: Akademie für Alte Musik Berlin
  by artist: René Jacobs
  in album: Mozart: Die Entführung aus dem Serail
    type: MusicAlbum
    date published: 2015-10-15
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: FRZ141423020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T02:55:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde36fa1ba9bfa1adf2c2d8f9c6b44b97b73111c3f5131caa989f9c77916a5c5a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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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/FRZ141423020
  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 0xde36fa1ba9bfa1adf2c2d8f9c6b44b97b73111c3f5131caa989f9c77916a5c5a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423020 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Die Entführung aus dem Serail, K. 384, Act I Scene 1: No. 1, Arie "Hier soll ich dich denn sehen" (Belmonte)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.881
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.323
    additional property: Energy
      type: PropertyValue
      value: 0.136
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
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track: Die Entführung aus dem Serail, K. 384, Act I Scene 2: No. 2, Lied und Duett "Wer ein Liebchen hat gefunden" (Osmin)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 3: "Ich kann doch nicht noch so einen Schurken" (Osmin, Pedrillo)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 3: No. 3, Arie "Solche hergelaufne Laffen" (Osmin)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 4: "Hau bloss ab, verwünschter Aufpasser!" (Pedrillo, Belmonte)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 5: No. 4, Arie "Konstanze! dich wiederzusehen!" (Pedrillo, Belmonte)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 6: No. 5a, Türkischer Marsch
track: Die Entführung aus dem Serail, K. 384, Act I Scene 6: No. 5b, "Singt dem grossen Bassa Lieder" (Chor der Janitscharen)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 7: "Immer noch traurig, geliebte Konstanze?" (Bassa Selim, Konstanze)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 7: No. 6, Arie "Ach, ich liebte, war so glücklich" (Konstanze)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 7: "Kummer! Immer nur Kummer!" (Bassa Selim, Pedrillo, Belmonte, Osmin)
track: Die Entführung aus dem Serail, K. 384, Act I Scene 10: No. 7, Terzett "Marsch! Marsch! Marsch!" (Osmin)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 1: "Wer zum Teufel hat dir das Zeug in den Kopf gesetzt?" (Osmin, Blonde)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 1: No. 8, Arie "Durch Zärtlichkeit und Schmeicheln" (Blonde)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 1: "Ei, seht doch mal" (Osmin)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 1: No. 9, Duett "Ich gehe, doch rate ich dir" (Osmin)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 2: "Da ist Konstanze" (Blonde, Konstanze)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 2: "Welcher Wechsel herrscht in meiner Seele" (Konstanze)
track: Die Entführung aus dem Serail, K. 384, Act II Scene 2: No. 10, Arie "Traurigkeit ward mir zum Lose" (Konstanze)

Speechiness
type: PropertyValue
value: 0.053

Acousticness
type: PropertyValue
value: 0.963

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.441

Valence (Positivity)
type: PropertyValue
value: 0.116

Loudness (dB)
type: PropertyValue
value: -22.195

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 2: No. 2, Lied und Duett "Wer ein Liebchen hat gefunden" (Osmin)
type: MusicRecording
duration: PT6M26S
duration ms: 386320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Maximilian Schmitt
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:36:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2da8694111b026a3f7174827ca6f0e7de2c0f5667107e147f5ce5e259e702824
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/FRZ141423030
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 0x2da8694111b026a3f7174827ca6f0e7de2c0f5667107e147f5ce5e259e702824. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423030 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 2: No. 2, Lied und Duett "Wer ein Liebchen hat gefunden" (Osmin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.994
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.452
  additional property: Energy
    type: PropertyValue
    value: 0.312
  additional property: Speechiness
    type: PropertyValue
    value: 0.115
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.229
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.932
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Entführung aus dem Serail, K. 384, Act I Scene 3: "Ich kann doch nicht noch so einen Schurken" (Osmin, Pedrillo)
type: MusicRecording
duration: PT1M20S
duration ms: 80466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Julian Prégardien
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:01:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cf049e9dc50559811c2cb54d263894d4d58f6239af23517372634ab95257c25
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10Z
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 0x8cf049e9dc50559811c2cb54d263894d4d58f6239af23517372634ab95257c25. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423040 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 3: "Ich kann doch nicht noch so einen Schurken" (Osmin, Pedrillo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.167
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.661
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.649
  additional property: Acousticness
    type: PropertyValue
    value: 0.69
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.677
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.578
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.165
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
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    value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 3: No. 3, Arie "Solche hergelaufne Laffen" (Osmin)
type: MusicRecording
duration: PT5M0S
duration ms: 300080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Julian Prégardien
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T02:51:49+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5973ce51d4ad24bb34d6698d27b728231884bdf0005f7f9ca0dcb1a7c6fb2f73
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960340
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04Z
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 0x5973ce51d4ad24bb34d6698d27b728231884bdf0005f7f9ca0dcb1a7c6fb2f73. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423050 — a six-check JSON result.
  date published: 2026-07-31T03:15:04Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 3: No. 3, Arie "Solche hergelaufne Laffen" (Osmin)
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Die Entführung aus dem Serail, K. 384, Act I Scene 4: "Hau bloss ab, verwünschter Aufpasser!" (Pedrillo, Belmonte)
type: MusicRecording
duration: PT4M9S
duration ms: 249946
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Julian Prégardien
by artist: Maximilian Schmitt
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:16:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38452f226d960b3aa130ddfdc97ff63d1b15f1111af724ed54356a24f2ad3156
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/FRZ141423060
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 0x38452f226d960b3aa130ddfdc97ff63d1b15f1111af724ed54356a24f2ad3156. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423060 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 4: "Hau bloss ab, verwünschter Aufpasser!" (Pedrillo, Belmonte)
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Liveness
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    value: 0.469
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.266
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.246
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Die Entführung aus dem Serail, K. 384, Act I Scene 5: No. 4, Arie "Konstanze! dich wiederzusehen!" (Pedrillo, Belmonte)
type: MusicRecording
duration: PT4M44S
duration ms: 284666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Maximilian Schmitt
by artist: Julian Prégardien
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T16:09:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3bd404c94616acb2b08ae02e41d0b088b98616c259fa368d9b08bfef3dc6e200
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
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 0x3bd404c94616acb2b08ae02e41d0b088b98616c259fa368d9b08bfef3dc6e200. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423070 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 5: No. 4, Arie "Konstanze! dich wiederzusehen!" (Pedrillo, Belmonte)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.865
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    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
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.254
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.248
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 6: No. 5a, Türkischer Marsch
type: MusicRecording
duration: PT2M8S
duration ms: 128240
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Michael Haydn
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:35:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf13dfc93e70244992baaa98ded53cf63bc3eb49f57afc240d220814f11d56750
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/FRZ141423080
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 0xf13dfc93e70244992baaa98ded53cf63bc3eb49f57afc240d220814f11d56750. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423080 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 6: No. 5a, Türkischer Marsch
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.255
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.534
  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)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.376
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 6: No. 5b, "Singt dem grossen Bassa Lieder" (Chor der Janitscharen)
type: MusicRecording
duration: PT1M35S
duration ms: 95400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: RIAS Kammerchor
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T10:13:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3f70786908744eebe0affe20d5d737d46f3de4578df72c9b957c6bb09a76ad9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960095
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960095
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37Z
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 0xb3f70786908744eebe0affe20d5d737d46f3de4578df72c9b957c6bb09a76ad9. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423090 — a six-check JSON result.
  date published: 2026-07-29T11:07:37Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 6: No. 5b, "Singt dem grossen Bassa Lieder" (Chor der Janitscharen)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 73.537
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.507
  additional property: Energy
    type: PropertyValue
    value: 0.52
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.579
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.659
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.019
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 7: "Immer noch traurig, geliebte Konstanze?" (Bassa Selim, Konstanze)
type: MusicRecording
duration: PT1M47S
duration ms: 107666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Cornelius Obonya
by artist: Robin Johannsen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:20:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb65f693c0170d72ceea7c03907009d26f46fcb1e27f81bd2abb8aefeab2d7d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0xbb65f693c0170d72ceea7c03907009d26f46fcb1e27f81bd2abb8aefeab2d7d0. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423100 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 7: "Immer noch traurig, geliebte Konstanze?" (Bassa Selim, Konstanze)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.114
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.574
  additional property: Energy
    type: PropertyValue
    value: 0.012
  additional property: Speechiness
    type: PropertyValue
    value: 0.251
  additional property: Acousticness
    type: PropertyValue
    value: 0.184
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -39.438
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 7: No. 6, Arie "Ach, ich liebte, war so glücklich" (Konstanze)
type: MusicRecording
duration: PT4M59S
duration ms: 299826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Robin Johannsen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T09:36:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b23985e8eda3b2bfc305f6649289ec19ffedb708a8cd25d80b1fcab3cf85264
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
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 0x9b23985e8eda3b2bfc305f6649289ec19ffedb708a8cd25d80b1fcab3cf85264. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423110 — a six-check JSON result.
  date published: 2026-07-31T09:50:11Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 7: No. 6, Arie "Ach, ich liebte, war so glücklich" (Konstanze)
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    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Valence (Positivity)
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    value: 0.19
  additional property: Loudness (dB)
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    value: Major

Die Entführung aus dem Serail, K. 384, Act I Scene 7: "Kummer! Immer nur Kummer!" (Bassa Selim, Pedrillo, Belmonte, Osmin)
type: MusicRecording
duration: PT6M19S
duration ms: 379600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Cornelius Obonya
by artist: Robin Johannsen
by artist: Julian Prégardien
by artist: Maximilian Schmitt
by artist: Dimitry Ivashchenko
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:17:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeafce3ac425f4f93ad60d09fdd35a95d1fe117355e6a19a07ebe6a5f2515d0a8
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/FRZ141423120
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 0xeafce3ac425f4f93ad60d09fdd35a95d1fe117355e6a19a07ebe6a5f2515d0a8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423120 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 7: "Kummer! Immer nur Kummer!" (Bassa Selim, Pedrillo, Belmonte, Osmin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.475
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.621
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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    value: 0.5
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.371
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.186
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.603
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Entführung aus dem Serail, K. 384, Act I Scene 10: No. 7, Terzett "Marsch! Marsch! Marsch!" (Osmin)
type: MusicRecording
duration: PT2M14S
duration ms: 134760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Maximilian Schmitt
by artist: Julian Prégardien
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:24:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe765e3b07cf31483640c466e2295cf90118049ffc69584c0db12af2b50d6c39d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
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 0xe765e3b07cf31483640c466e2295cf90118049ffc69584c0db12af2b50d6c39d. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423130 — a six-check JSON result.
  date published: 2026-07-30T20:35:49Z
audio: Die Entführung aus dem Serail, K. 384, Act I Scene 10: No. 7, Terzett "Marsch! Marsch! Marsch!" (Osmin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.19
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.497
  additional property: Energy
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    value: 0.578
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.668
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.807
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act II Scene 1: "Wer zum Teufel hat dir das Zeug in den Kopf gesetzt?" (Osmin, Blonde)
type: MusicRecording
duration: PT0M32S
duration ms: 32133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Mari Eriksmoen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:16:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9eabb2e281f1712de760aed2ff290a63f49344463f02ca219062d330b0d74570
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x9eabb2e281f1712de760aed2ff290a63f49344463f02ca219062d330b0d74570. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423140 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Die Entführung aus dem Serail, K. 384, Act II Scene 1: "Wer zum Teufel hat dir das Zeug in den Kopf gesetzt?" (Osmin, Blonde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.386
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.611
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.222
  additional property: Acousticness
    type: PropertyValue
    value: 0.866
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.411
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.664
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.09
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act II Scene 1: No. 8, Arie "Durch Zärtlichkeit und Schmeicheln" (Blonde)
type: MusicRecording
duration: PT3M54S
duration ms: 234640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Mari Eriksmoen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:28:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0f23dd14f2f4be8bbae122c8834301fff2b12668cd5cf27e58046fa1dae5360
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
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 0xf0f23dd14f2f4be8bbae122c8834301fff2b12668cd5cf27e58046fa1dae5360. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423150 — a six-check JSON result.
  date published: 2026-07-30T22:27:30Z
audio: Die Entführung aus dem Serail, K. 384, Act II Scene 1: No. 8, Arie "Durch Zärtlichkeit und Schmeicheln" (Blonde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.226
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.39
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act II Scene 1: "Ei, seht doch mal" (Osmin)
type: MusicRecording
duration: PT3M42S
duration ms: 222026
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Mari Eriksmoen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:17:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f906c6adede3391ab0b72e5bb93d5c4e1c44a576258bb4b3f578150298e56c6
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/FRZ141423160
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 0x9f906c6adede3391ab0b72e5bb93d5c4e1c44a576258bb4b3f578150298e56c6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423160 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Die Entführung aus dem Serail, K. 384, Act II Scene 1: "Ei, seht doch mal" (Osmin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.871
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.694
  additional property: Energy
    type: PropertyValue
    value: 0.243
  additional property: Speechiness
    type: PropertyValue
    value: 0.649
  additional property: Acousticness
    type: PropertyValue
    value: 0.778
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.583
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.52
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.827
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Entführung aus dem Serail, K. 384, Act II Scene 1: No. 9, Duett "Ich gehe, doch rate ich dir" (Osmin)
type: MusicRecording
duration: PT3M48S
duration ms: 228653
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Dimitry Ivashchenko
by artist: Mari Eriksmoen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T01:20:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78da37f4349d6af3fadf6e98adb542d060aeca9bf1c498228080101be0373215
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960494
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960494
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423170
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
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 0x78da37f4349d6af3fadf6e98adb542d060aeca9bf1c498228080101be0373215. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423170 — a six-check JSON result.
  date published: 2026-08-01T01:44:32Z
audio: Die Entführung aus dem Serail, K. 384, Act II Scene 1: No. 9, Duett "Ich gehe, doch rate ich dir" (Osmin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.265
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.406
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Die Entführung aus dem Serail, K. 384, Act II Scene 2: "Da ist Konstanze" (Blonde, Konstanze)
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by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
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Die Entführung aus dem Serail, K. 384, Act II Scene 2: "Welcher Wechsel herrscht in meiner Seele" (Konstanze)
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duration: PT2M10S
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by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
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  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:51:35Z
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Die Entführung aus dem Serail, K. 384, Act II Scene 2: No. 10, Arie "Traurigkeit ward mir zum Lose" (Konstanze)
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duration: PT5M5S
duration ms: 305506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Johann Gottlieb Stephanie
by artist: Robin Johannsen
by artist: Akademie für Alte Musik Berlin
by artist: René Jacobs
in album: Mozart: Die Entführung aus dem Serail
  type: MusicAlbum
  date published: 2015-10-15
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ141423200
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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 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1c733014d7ef6f16118e492bb642c887add78f21dcb3d4234917908f37c150d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ141423200 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
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