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type: MusicGroup
popularity: 2
followers: 30
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd53c5cd864577de660db39c86214fb2dad7b76a5ada328a9ef62926f8fdb7ca9. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cb4b7380-b132-4217-8109-e34c9f7be9a1.json and https://artists.proofprofile.net/proofs/artist/cb4b7380-b132-4217-8109-e34c9f7be9a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:40:06Z
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track: Horn Concerto in D Major, TWV 51:D8: I. Vivace
track: Horn Concerto in D Major, TWV 51:D8: III. Allegro
track: Concerto for 2 Horns in D Major, TWV 52:D1: I. Largo - II. Vivace
track: Horn Concerto in D Major, TWV 51:D8: II. Largo

Horn Concerto in D Major, TWV 51:D8: I. Vivace
type: MusicRecording
duration: PT2M8S
duration ms: 128280
explicit: false
by artist: Georg Philipp Telemann
by artist: Pierre-Yves Madeuf
by artist: La Petite Bande
by artist: Sigiswald Kuijken
in album: Telemann: Trumpet & Horn Concertos
  type: MusicAlbum
  date published: 2016-10-28
isrc code: DECP61515009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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  value: 957118
additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe7f2019d97632f2041f42f7cca873d666a2b71ab3d556f39d49b30952a3c93. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DECP61515009.
  date published: 2026-07-08T03:53:27Z
audio: Horn Concerto in D Major, TWV 51:D8: I. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Valence (Positivity)
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Horn Concerto in D Major, TWV 51:D8: III. Allegro
type: MusicRecording
duration: PT3M54S
duration ms: 234680
explicit: false
by artist: Georg Philipp Telemann
by artist: Pierre-Yves Madeuf
by artist: La Petite Bande
by artist: Sigiswald Kuijken
in album: Telemann: Trumpet & Horn Concertos
  type: MusicAlbum
  date published: 2016-10-28
isrc code: DECP61515011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8d9984056269c7b541ca31bc08309b3d0b3d18da3e65339b22afdfef063ea8a. 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/DECP61515011.
  date published: 2026-07-08T03:22:41Z
audio: Horn Concerto in D Major, TWV 51:D8: III. Allegro
  type: AudioObject
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Concerto for 2 Horns in D Major, TWV 52:D1: I. Largo - II. Vivace
type: MusicRecording
duration: PT4M58S
duration ms: 298253
explicit: false
by artist: Georg Philipp Telemann
by artist: Pierre-Yves Madeuf
by artist: Jean-François Madeuf
by artist: La Petite Bande
by artist: Sigiswald Kuijken
in album: Telemann: Trumpet & Horn Concertos
  type: MusicAlbum
  date published: 2016-10-28
isrc code: DECP61515015
additional property: CopyrightID
additional property: CopyrightStatus
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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
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b71a5147285ba1ff04e2f49880ffe6549023fc85fb631f6c4fc9854f9a4aea4. 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/DECP61515015.
  date published: 2026-07-08T03:20:19Z
audio: Concerto for 2 Horns in D Major, TWV 52:D1: I. Largo - II. Vivace
  type: AudioObject
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Horn Concerto in D Major, TWV 51:D8: II. Largo
type: MusicRecording
duration: PT2M19S
duration ms: 139186
explicit: false
by artist: Georg Philipp Telemann
by artist: Pierre-Yves Madeuf
by artist: La Petite Bande
by artist: Sigiswald Kuijken
in album: Telemann: Trumpet & Horn Concertos
  type: MusicAlbum
  date published: 2016-10-28
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30a58dbf5421863b6587e337e8740c81579111fcc4edc798fcb6aff7a9666343. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/DECP61515010.
  date published: 2026-07-30T18:23:33Z
audio: Horn Concerto in D Major, TWV 51:D8: II. Largo
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  additional property: Acousticness
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isrc code: DECP61515010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960291
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