Ben Berger
type: MusicGroup
description: Benjamin N. Berger (1897 – February 9, 1988) was a Minneapolis businessman, perhaps best known for being one of the original owners of the Minneapolis Lakers which he bought from Detroit helped move t
popularity: 7
followers: 27
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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  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/4676fe94-1689-4711-9548-0b728d1d0cd9.json
additional property: OTSVerificationAPI
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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 0x3f66ec7fc0c02a13e4739a0f6e8bbd4989f7d6b9a6877e0a4bbc44fe00834487. Chain 2 (Bitcoin): anchored in block 954063 (2026-06-17T07:49:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4676fe94-1689-4711-9548-0b728d1d0cd9.json and https://artists.proofprofile.net/proofs/artist/4676fe94-1689-4711-9548-0b728d1d0cd9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T07:49:29Z
  text: {"copyright_id":"0x3f66ec7fc0c02a13e4739a0f6e8bbd4989f7d6b9a6877e0a4bbc44fe00834487","name":"Ben Berger","registered_at":"2026-06-16T14:07:01Z","symbol":"NIM1075573","token_address":"0x8dc5815a6ec771bcbb1b3c89e21bbc934dd70ca5","type":"artist","uuid":"4676fe94-1689-4711-9548-0b728d1d0cd9"}
track: I Wanna Go - Captain Cuts Club Mix
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283080
  explicit: false
  by artist: Britney Spears
  by artist: Ryan McMahon
  by artist: Ben Berger
  by artist: Ryan Rabin
  in album: I Wanna Go Remixes
    type: MusicAlbum
    date published: 2011-07-18
  genre: pop
  genre: dance-pop
  isrc code: USJI11100254
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-17T19:07:14Z
  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 0x719080446a0cd12aa4c4d4764cda905fc039b5d82153aeaeca924ca9bdc37efc. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/USJI11100254.
    date published: 2026-06-17T19:07:14Z
  audio: I Wanna Go - Captain Cuts Club Mix
    type: AudioObject
    additional property: Tempo (BPM)
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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
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      value: 0.611
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.05
    additional property: Key Name
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      value: C
    additional property: Mode Name
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      value: Major