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followers: 183
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/e5d29fa7-2799-4427-bb1e-899b31836d51.ots
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additional property: OTSVerificationAPI
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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
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  date published: 2026-06-15T15:41:00Z
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track: Concerto for 2 Horns in E-Flat Major, C. 56Q: I. Allegro maestoso
  type: MusicRecording
  duration: PT8M5S
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  by artist: Antonio Rosetti
  by artist: Klaus Wallendorf
  by artist: Sarah Willis
  by artist: Bayerische Kammerphilharmonie
  by artist: Johannes Moesus
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    type: MusicAlbum
    date published: 2003-09-11
  genre: classical-era
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB200273401
  additional property: OTSTimestamp
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    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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe595cf092959f40420025b4d8d36262a2d357ce2942eddb721299865bcb16b96. 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/DEB200273401.
    date published: 2026-07-08T03:20:19Z
  audio: Concerto for 2 Horns in E-Flat Major, C. 56Q: I. Allegro maestoso
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track: Concerto for 2 Horns in E-Flat Major, C. 56Q: II. Romance. Adagio
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  duration: PT3M48S
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  by artist: Antonio Rosetti
  by artist: Klaus Wallendorf
  by artist: Sarah Willis
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  by artist: Johannes Moesus
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    date published: 2003-09-11
  genre: classical-era
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T18:23:33Z
  audio: Concerto for 2 Horns in E-Flat Major, C. 56Q: II. Romance. Adagio
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track: Concerto for 2 Horns in E-Flat Major, C. 56Q: III. Rondo. Allegretto
track: Concerto for 2 Horns in E-Flat Major, C. 57/K.III:53: II. Romance. Adagio non tanto
track: Concerto for 2 Horns in E Major, C. 58/K.III:51: II. Romance. Adagio non troppo

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Mode Name
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Concerto for 2 Horns in E-Flat Major, C. 56Q: III. Rondo. Allegretto
type: MusicRecording
duration: PT4M42S
duration ms: 282333
explicit: false
by artist: Antonio Rosetti
by artist: Klaus Wallendorf
by artist: Sarah Willis
by artist: Bayerische Kammerphilharmonie
by artist: Johannes Moesus
in album: Rosetti: Concertos for 2 Horns
  type: MusicAlbum
  date published: 2003-09-11
genre: classical-era
isrc code: DEB200273403
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa153eb82a40e0db11ca6fa520967c5a685a0e6e63848fdf23bc1044b3650a39d. 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/DEB200273403.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for 2 Horns in E-Flat Major, C. 56Q: III. Rondo. Allegretto
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Concerto for 2 Horns in E-Flat Major, C. 57/K.III:53: II. Romance. Adagio non tanto
type: MusicRecording
duration: PT4M3S
duration ms: 243000
explicit: false
by artist: Antonio Rosetti
by artist: Klaus Wallendorf
by artist: Sarah Willis
by artist: Bayerische Kammerphilharmonie
by artist: Johannes Moesus
in album: Rosetti: Concertos for 2 Horns
  type: MusicAlbum
  date published: 2003-09-11
genre: classical-era
isrc code: DEB200273405
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1c3f784b5774add1e571835b6914272088f5d32b2878bbd3ab7898e4b07452. 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/DEB200273405.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for 2 Horns in E-Flat Major, C. 57/K.III:53: II. Romance. Adagio non tanto
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Concerto for 2 Horns in E Major, C. 58/K.III:51: II. Romance. Adagio non troppo
type: MusicRecording
duration: PT4M37S
duration ms: 277000
explicit: false
by artist: Antonio Rosetti
by artist: Klaus Wallendorf
by artist: Sarah Willis
by artist: Bayerische Kammerphilharmonie
by artist: Johannes Moesus
in album: Rosetti: Concertos for 2 Horns
  type: MusicAlbum
  date published: 2003-09-11
genre: classical-era
isrc code: DEB200273408
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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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 0x0c16adfde29b29d475e6d8018f7df5e79880ce903acb3fa53391940f094179bf. 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/DEB200273408.
  date published: 2026-07-31T12:24:41Z
audio: Concerto for 2 Horns in E Major, C. 58/K.III:51: II. Romance. Adagio non troppo
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