Sweeney Todd 2023 Broadway Orchestra
type: MusicGroup
popularity: 16
followers: 56
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/2b82cb87-15fe-428a-b6a5-2c4616966ce4.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/2b82cb87-15fe-428a-b6a5-2c4616966ce4.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2b82cb87-15fe-428a-b6a5-2c4616966ce4
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ddf18104b6181894a75e90c235caff2f3dc36bc5ef5fd84dde7f7df3b696da. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b82cb87-15fe-428a-b6a5-2c4616966ce4.json and https://artists.proofprofile.net/proofs/artist/2b82cb87-15fe-428a-b6a5-2c4616966ce4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0xb2ddf18104b6181894a75e90c235caff2f3dc36bc5ef5fd84dde7f7df3b696da","name":"Sweeney Todd 2023 Broadway Orchestra","registered_at":"2026-06-14T09:00:37Z","symbol":"NIM0403437","token_address":"0xa77ab36c6cceefaff472a3c3026b7114470d81d0","type":"artist","uuid":"2b82cb87-15fe-428a-b6a5-2c4616966ce4"}
track: Prelude
  type: MusicRecording
  duration: PT0M48S
  duration ms: 48830
  explicit: false
  by artist: Fred Lassen
  by artist: Sweeney Todd 2023 Broadway Orchestra
  by artist: Stephen Sondheim
  in album: Sweeney Todd: The Demon Barber of Fleet Street (2023 Broadway Cast Recording)
    type: MusicAlbum
    date published: 2023-09-08
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRH12301830
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  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 0xf866c14c0d03600c88a5970e6e9dd62aaacaf8a635a33252d7751928bfd4acff. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USRH12301830.
    date published: 2026-06-13T12:53:06Z
  audio: Prelude
    type: AudioObject
    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: Time Signature
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    additional property: Danceability
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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
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -19.347
    additional property: Key Name
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    additional property: Mode Name
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