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followers: 9
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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 0xb953ac1d16181c3d83f15277a65dd8dc02284babe91ca28e3353cdbe0813dcc8. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d53690c-48fa-4a2f-9f55-129f37c461aa.json and https://artists.proofprofile.net/proofs/artist/7d53690c-48fa-4a2f-9f55-129f37c461aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:07:14Z
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track: Recorder Concerto in F Major: I. Allegro
track: Recorder Concerto in C Major, RV 443: I. Allegro
track: Recorder Concerto in C Major, RV 443: II. Largo
track: Recorder Concerto in C Major, RV 443: III. Allegro molto

Recorder Concerto in F Major: I. Allegro
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duration: PT4M17S
duration ms: 257560
explicit: false
by artist: Giuseppe Sammartini
by artist: Frans Brüggen
by artist: Amsterdam Chamber Orchestra
by artist: André Rieu
in album: The Early Recordings, Vol. 1
  type: MusicAlbum
  date published: 2018-05-11
popularity: 2
isrc code: ITX921002114
additional property: CopyrightID
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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 0x0bedae9e3ef9f3845ed13e529eb995df4cecd571c80492cd175036ee6fcb0809. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITX921002114.
  date published: 2026-07-08T08:56:20Z
audio: Recorder Concerto in F Major: I. Allegro
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Recorder Concerto in C Major, RV 443: I. Allegro
type: MusicRecording
duration: PT4M2S
duration ms: 242840
explicit: false
by artist: Antonio Vivaldi
by artist: Frans Brüggen
by artist: Amsterdam Chamber Orchestra
by artist: André Rieu
in album: The Early Recordings, Vol. 1
  type: MusicAlbum
  date published: 2018-05-11
popularity: 2
isrc code: ITX921002117
additional property: CopyrightID
additional property: CopyrightStatus
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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
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 0x62af62a19949a496ddaf242b51d6ddb16465b841b4f9c7a02d9f78c6e3d53a72. 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/ITX921002117.
  date published: 2026-07-08T03:53:27Z
audio: Recorder Concerto in C Major, RV 443: I. Allegro
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Recorder Concerto in C Major, RV 443: II. Largo
type: MusicRecording
duration: PT3M37S
duration ms: 217600
explicit: false
by artist: Antonio Vivaldi
by artist: Frans Brüggen
by artist: Amsterdam Chamber Orchestra
by artist: André Rieu
in album: The Early Recordings, Vol. 1
  type: MusicAlbum
  date published: 2018-05-11
popularity: 2
isrc code: ITX921002118
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Recorder Concerto in C Major, RV 443: II. Largo
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Recorder Concerto in C Major, RV 443: III. Allegro molto
type: MusicRecording
duration: PT2M41S
duration ms: 161880
explicit: false
by artist: Antonio Vivaldi
by artist: Frans Brüggen
by artist: Amsterdam Chamber Orchestra
by artist: André Rieu
in album: The Early Recordings, Vol. 1
  type: MusicAlbum
  date published: 2018-05-11
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196c17af1204400ce764f56aa1490bf17d0d198db910e7dc3c35b307022a2893. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002119.
  date published: 2026-08-01T01:44:32Z
audio: Recorder Concerto in C Major, RV 443: III. Allegro molto
  type: AudioObject
  additional property: Tempo (BPM)
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isrc code: ITX921002119
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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