Bruce Cohen
type: MusicGroup
description: Bruce L. Cohen (born September 23, 1961) is a film, television, and theater producer. He is best known for producing the films American Beauty, Milk, and Silver Linings Playbook. American Beauty won t
popularity: 3
followers: 44
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x738a09fd98827e01549bcd79e78292a369b24678d9469aeb9675f4a371877b96
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/a7aeecb8-7f5e-4cb2-b3ce-a3fed5da0f7e.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a7aeecb8-7f5e-4cb2-b3ce-a3fed5da0f7e
additional property: OTSTimestamp
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  value: 2026-06-20T08:57:02Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x738a09fd98827e01549bcd79e78292a369b24678d9469aeb9675f4a371877b96. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7aeecb8-7f5e-4cb2-b3ce-a3fed5da0f7e.json and https://artists.proofprofile.net/proofs/artist/a7aeecb8-7f5e-4cb2-b3ce-a3fed5da0f7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x738a09fd98827e01549bcd79e78292a369b24678d9469aeb9675f4a371877b96","name":"Bruce Cohen","registered_at":"2026-06-20T08:12:49Z","symbol":"NIM1562539","token_address":"0xfcadb93566e0a0ec531cce5e941dbb9bc5dc0029","type":"artist","uuid":"a7aeecb8-7f5e-4cb2-b3ce-a3fed5da0f7e"}
album: One BC
  type: MusicAlbum
  date published: 2009-08-08
album: Two BC
  type: MusicAlbum
  date published: 2011-09-10
album: Three BC
  type: MusicAlbum
  date published: 2015-11-11
album: Four BC
  type: MusicAlbum
  date published: 2017-01-17
album: Big Guy Returns
  type: MusicAlbum
  date published: 2017-12-20
album: Five BC
  type: MusicAlbum
  date published: 2018-08-18
album: Six BC
  type: MusicAlbum
  date published: 2020-04-20
album: 7 BC
  type: MusicAlbum
  date published: 2021-10-21
album: 8 BC
  type: MusicAlbum
  date published: 2024-11-11
  track: Dance of the Siren
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191760
    explicit: false
    by artist: Bruce Cohen
    in album: 8 BC
      type: MusicAlbum
      date published: 2024-11-11
    isrc code: USK692400003
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    additional property: OTSBitcoinBlockVerifyURL
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      value: https://blockstream.info/api/block-height/959065
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USK692400003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T00:36:21Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa785feef3d7035a22a6660a99c321bacb97201cca7f3a1ac68ba716a6f7bc3. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:36:21Z), 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/USK692400003.
      date published: 2026-07-22T00:36:21Z
    audio: Dance of the Siren
      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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        value: 0
      additional property: Time Signature
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        value: 5
      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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        value: 0.978
      additional property: Liveness
        type: PropertyValue
        value: 0.132
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.24
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.699
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor