Arjan Singh
type: MusicGroup
genre: hindi indie
genre: indian indie
description: Marshal of the Indian Air Force Arjan Singh, (15 April 1919 – 16 September 2017) was a senior air officer of the Indian Air Force. He served as the 3rd Chief of the Air Staff from 1964 to 1969, leadi
popularity: 7
followers: 2665
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2f7adc98155eb54e459102f300b5a0d4640509eea7d128980ae608c31321cf. 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/a37cd9a6-67ff-4d00-a30e-055e4231aa0f.json and https://artists.proofprofile.net/proofs/artist/a37cd9a6-67ff-4d00-a30e-055e4231aa0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0xfe2f7adc98155eb54e459102f300b5a0d4640509eea7d128980ae608c31321cf","name":"Arjan Singh","registered_at":"2026-06-20T06:23:46Z","symbol":"NIM1539534","token_address":"0x1d17653030b2e98c8a73a8b36f39a524e9296400","type":"artist","uuid":"a37cd9a6-67ff-4d00-a30e-055e4231aa0f"}
album: Musafir
  type: MusicAlbum
  date published: 2020-02-21
  track: Arzoo
    type: MusicRecording
    duration: PT3M44S
    duration ms: 224203
    explicit: false
    by artist: Arjan Singh
    in album: Musafir
      type: MusicAlbum
      date published: 2020-02-21
    genre: hindi indie
    genre: indian indie
    isrc code: QZFZ22089315
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0xf305ee813ab6ef5d2df7669dc6814130c36fc74b9b6ad805908fcf73b553e404. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZFZ22089315.
      date published: 2026-07-05T19:27:56Z
    audio: Arzoo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.084
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.243
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.552
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
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