Javad Yasari
type: MusicGroup
description: Javad Yasari () (born August 29, 1944) is an Iranian Street singer () of popular music. He comes from the South of Tehran, and started singing in 1972 with the song called Black Money (). He released
popularity: 6
followers: 11657
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x706dd167c6cf1209de988a28894e89d0f9b8a48262b50327701844658d1d1244
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x706dd167c6cf1209de988a28894e89d0f9b8a48262b50327701844658d1d1244. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d441c69-402a-49fe-9908-866c4ec25a8d.json and https://artists.proofprofile.net/proofs/artist/5d441c69-402a-49fe-9908-866c4ec25a8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x706dd167c6cf1209de988a28894e89d0f9b8a48262b50327701844658d1d1244","name":"Javad Yasari","registered_at":"2026-06-16T22:06:54Z","symbol":"NIM1190081","token_address":"0x7ca931e9bb3c643dd7b3a217b1385b0127fdd7f6","type":"artist","uuid":"5d441c69-402a-49fe-9908-866c4ec25a8d"}
album: Sange Saboor - Persian Music
  type: MusicAlbum
  date published: 1997-03-26
album: Eshgheh Man
  type: MusicAlbum
  date published: 2003-11-05
album: صبر ایوب
  type: MusicAlbum
  date published: 2023-05-13
album: محراب زنده
  type: MusicAlbum
  date published: 2023-08-18
album: معما
  type: MusicAlbum
  date published: 2024-01-30
album: صبر ایوب
  type: MusicAlbum
  date published: 2024-04-06
album: معما
  type: MusicAlbum
  date published: 2024-04-06
album: محراب
  type: MusicAlbum
  date published: 2024-04-06
  track: محراب
    type: MusicRecording
    duration: PT8M46S
    duration ms: 526680
    explicit: false
    by artist: Javad Yasari
    in album: محراب
      type: MusicAlbum
      date published: 2024-04-06
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958211
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2427081
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T23:24:33Z
    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 0x9fbb198b2d8f3db5c87d2beb620569b38c467924820c8111ec6db6bd0c704d25. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QZK6Q2427081.
      date published: 2026-07-15T23:24:33Z
    audio: محراب
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.543
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.682
      additional property: Energy
        type: PropertyValue
        value: 0.715
      additional property: Speechiness
        type: PropertyValue
        value: 0.076
      additional property: Acousticness
        type: PropertyValue
        value: 0.084
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.092
      additional property: Liveness
        type: PropertyValue
        value: 0.331
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.92
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.898
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: سپیده دم
  type: MusicAlbum
  date published: 2024-04-06