Okugawa Jr.
type: MusicGroup
popularity: 10
followers: 548
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2820da9fd93479fd34416cd74421823b0c0fbf9ecbf5720bf79657cda38f850
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b29ba86-eebc-4acc-a635-fe06e6333cb6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9b29ba86-eebc-4acc-a635-fe06e6333cb6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9b29ba86-eebc-4acc-a635-fe06e6333cb6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc2820da9fd93479fd34416cd74421823b0c0fbf9ecbf5720bf79657cda38f850","name":"Okugawa Jr.","registered_at":"2026-06-20T03:37:34Z","symbol":"NIM1500148","token_address":"0x57c8dd108da4d0e2e522a578993e22d4066b13a4","type":"artist","uuid":"9b29ba86-eebc-4acc-a635-fe06e6333cb6"}
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2820da9fd93479fd34416cd74421823b0c0fbf9ecbf5720bf79657cda38f850. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9b29ba86-eebc-4acc-a635-fe06e6333cb6.json and https://artists.proofprofile.net/proofs/artist/9b29ba86-eebc-4acc-a635-fe06e6333cb6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
  text: {"copyright_id":"0xc2820da9fd93479fd34416cd74421823b0c0fbf9ecbf5720bf79657cda38f850","name":"Okugawa Jr.","registered_at":"2026-06-20T03:37:34Z","symbol":"NIM1500148","token_address":"0x57c8dd108da4d0e2e522a578993e22d4066b13a4","type":"artist","uuid":"9b29ba86-eebc-4acc-a635-fe06e6333cb6"}
album: The Kari-U Kollection, Vol. 1
  type: MusicAlbum
  date published: 2021-03-18
album: The Kari-U Kollection, Vol. 2
  type: MusicAlbum
  date published: 2021-10-15
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  type: MusicAlbum
  date published: 2021-10-15
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  type: MusicAlbum
  date published: 2021-10-16
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  type: MusicAlbum
  date published: 2022-01-12
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2022-04-24
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  type: MusicAlbum
  date published: 2023-01-20
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  type: MusicAlbum
  date published: 2023-02-05
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  type: MusicAlbum
  date published: 2023-02-07
album: Bumps by OKU'Nem
  type: MusicAlbum
  date published: 2023-02-14
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  type: MusicAlbum
  date published: 2023-02-14
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  type: MusicAlbum
  date published: 2024-05-24
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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