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type: MusicGroup
genre: opera
popularity: 5
followers: 19
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28c6db655415281b947be5d7867706bc472cd176b755ea1d413ad17dfc6c3799
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/52fe6050-3cf2-4b5d-9c1e-94b291f87ab4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/52fe6050-3cf2-4b5d-9c1e-94b291f87ab4.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/52fe6050-3cf2-4b5d-9c1e-94b291f87ab4
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28c6db655415281b947be5d7867706bc472cd176b755ea1d413ad17dfc6c3799. 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/52fe6050-3cf2-4b5d-9c1e-94b291f87ab4.json and https://artists.proofprofile.net/proofs/artist/52fe6050-3cf2-4b5d-9c1e-94b291f87ab4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
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track: Der Freischütz, Op. 77, Act 1 Scene 4: Dialog "Was ist hier los?" (Kuno, Kilian, Max, Samiels Stimme, Kaspar)
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159426
  explicit: false
  by artist: Carl Maria von Weber
  by artist: Matthias Winckhler
  by artist: Yannick Debus
  by artist: Maximilian Schmitt
  by artist: Max Urlacher
  by artist: Dimitry Ivashchenko
  by artist: Freiburger Kinder
  in album: Weber: Der Freischütz
    type: MusicAlbum
    date published: 2022-04-29
  genre: classical
  genre: opera
  isrc code: FR7JM2157070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2157070
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T08:38:45Z
  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 0x37eee50520064ae21e6b84faf711473308c36e3e75dca636452eccf68de5b104. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2157070.
    date published: 2026-07-31T08:38:45Z
  audio: Der Freischütz, Op. 77, Act 1 Scene 4: Dialog "Was ist hier los?" (Kuno, Kilian, Max, Samiels Stimme, Kaspar)
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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: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.865
    additional property: Key Name
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    additional property: Mode Name
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track: Der Freischütz, Op. 77, Act 1 Scene 4: Romanze "Herr Ottokar jagte durch Heis und durch Wald" (Kuno) & Dialog
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181533
  explicit: false
  by artist: Franz Schubert
  by artist: Carl Maria von Weber
  by artist: René Jacobs
  by artist: Freiburger Barockorchester
  by artist: Matthias Winckhler
  by artist: Yannick Debus
  by artist: Maximilian Schmitt
  by artist: Max Urlacher
  by artist: Dimitry Ivashchenko
  by artist: Zürcher Sing-Akademie
  in album: Weber: Der Freischütz
    type: MusicAlbum
    date published: 2022-04-29
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: FR7JM2157080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x391990c86cb9e04dd96fd5bed90ca0b5b7bf17c3015e3b44539f11546d5d02f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2157080
  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 0x391990c86cb9e04dd96fd5bed90ca0b5b7bf17c3015e3b44539f11546d5d02f4. 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/FR7JM2157080.
    date published: 2026-07-08T03:20:19Z
  audio: Der Freischütz, Op. 77, Act 1 Scene 4: Romanze "Herr Ottokar jagte durch Heis und durch Wald" (Kuno) & Dialog
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 99.003
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
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track: Der Freischütz, Op. 77, Act 1 Scene 6: Rezitativ "Nein, länger trag' ich" & Aria "Durch die Wälder, durch die Auen" (Max, Samiels Stimme)
track: Der Freischütz, Op. 77, Act 1 Scene 7: Dialog & Nr. 4, Lied "Hier im ird'schen Jammertal" (Kaspar, Samiels Stimme, Max)
track: Der Freischütz, Op. 77, Act 1 Scene 7: Dialog "Agathe hat recht" (Max, Kaspar, Samiels Stimme)
track: Der Freischütz, Op. 77, Act 2 Scene 4: Dialog (Samiels Stimme) & Nr. 10, "Milch des Mondes fiel auf's Kraut" (Chor)
track: Der Freischütz, Op. 77, Act 2 Scene 8: Ah! Zische, brause, koche auf (Samiel, Kaspar, Chor, Max)

Energy
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value: 0.254

Speechiness
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value: 0.412

Acousticness
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Instrumentalness
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Liveness
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value: 0.555

Valence (Positivity)
type: PropertyValue
value: 0.38

Loudness (dB)
type: PropertyValue
value: -22.289

Key Name
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Mode Name
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Der Freischütz, Op. 77, Act 1 Scene 6: Rezitativ "Nein, länger trag' ich" & Aria "Durch die Wälder, durch die Auen" (Max, Samiels Stimme)
type: MusicRecording
duration: PT6M39S
duration ms: 399066
explicit: false
by artist: Carl Maria von Weber
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Maximilian Schmitt
by artist: Max Urlacher
in album: Weber: Der Freischütz
  type: MusicAlbum
  date published: 2022-04-29
genre: classical
genre: opera
isrc code: FR7JM2157110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:40:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0204564baa21a72241011203d0f368565e4462ac86211d0e8009edf40d23352d
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2157110
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 0x0204564baa21a72241011203d0f368565e4462ac86211d0e8009edf40d23352d. 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/FR7JM2157110.
  date published: 2026-07-08T03:22:41Z
audio: Der Freischütz, Op. 77, Act 1 Scene 6: Rezitativ "Nein, länger trag' ich" & Aria "Durch die Wälder, durch die Auen" (Max, Samiels Stimme)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.251
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.355
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.354
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Der Freischütz, Op. 77, Act 1 Scene 7: Dialog & Nr. 4, Lied "Hier im ird'schen Jammertal" (Kaspar, Samiels Stimme, Max)
type: MusicRecording
duration: PT3M26S
duration ms: 206293
explicit: false
by artist: Carl Maria von Weber
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Maximilian Schmitt
by artist: Max Urlacher
by artist: Dimitry Ivashchenko
in album: Weber: Der Freischütz
  type: MusicAlbum
  date published: 2022-04-29
genre: classical
genre: opera
isrc code: FR7JM2157120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:31:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x20877a0111da28c5a1b1012471fdfe42ad076f9bb07838abc8fb1540cf35158d
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/FR7JM2157120
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 0x20877a0111da28c5a1b1012471fdfe42ad076f9bb07838abc8fb1540cf35158d. 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/FR7JM2157120.
  date published: 2026-07-31T12:24:41Z
audio: Der Freischütz, Op. 77, Act 1 Scene 7: Dialog & Nr. 4, Lied "Hier im ird'schen Jammertal" (Kaspar, Samiels Stimme, Max)
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  additional property: Tempo (BPM)
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  additional property: Danceability
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Mode Name
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Der Freischütz, Op. 77, Act 1 Scene 7: Dialog "Agathe hat recht" (Max, Kaspar, Samiels Stimme)
type: MusicRecording
duration: PT3M8S
duration ms: 188986
explicit: false
by artist: Carl Maria von Weber
by artist: Maximilian Schmitt
by artist: Dimitry Ivashchenko
by artist: Max Urlacher
in album: Weber: Der Freischütz
  type: MusicAlbum
  date published: 2022-04-29
genre: classical
genre: opera
isrc code: FR7JM2157130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:44:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1eb1813954aac17b3653bee364dfafcc9ddabce81d0bdccb59e53ec72246b032
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/FR7JM2157130
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 0x1eb1813954aac17b3653bee364dfafcc9ddabce81d0bdccb59e53ec72246b032. 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/FR7JM2157130.
  date published: 2026-07-08T03:20:19Z
audio: Der Freischütz, Op. 77, Act 1 Scene 7: Dialog "Agathe hat recht" (Max, Kaspar, Samiels Stimme)
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Der Freischütz, Op. 77, Act 2 Scene 4: Dialog (Samiels Stimme) & Nr. 10, "Milch des Mondes fiel auf's Kraut" (Chor)
type: MusicRecording
duration: PT4M19S
duration ms: 259853
explicit: false
by artist: Carl Maria von Weber
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Zürcher Sing-Akademie
by artist: Max Urlacher
in album: Weber: Der Freischütz
  type: MusicAlbum
  date published: 2022-04-29
genre: classical
genre: opera
isrc code: FR7JM2158010
additional property: CopyrightID
additional property: CopyrightStatus
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audio: Der Freischütz, Op. 77, Act 2 Scene 4: Dialog (Samiels Stimme) & Nr. 10, "Milch des Mondes fiel auf's Kraut" (Chor)
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Der Freischütz, Op. 77, Act 2 Scene 8: Ah! Zische, brause, koche auf (Samiel, Kaspar, Chor, Max)
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by artist: Carl Maria von Weber
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Max Urlacher
by artist: Dimitry Ivashchenko
by artist: Zürcher Sing-Akademie
by artist: Maximilian Schmitt
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genre: opera
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audio: Der Freischütz, Op. 77, Act 2 Scene 8: Ah! Zische, brause, koche auf (Samiel, Kaspar, Chor, Max)
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