Ninja C
type: MusicGroup
popularity: 2
followers: 237
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa846e63ab3bb88cb59d04bbf4d6095c90d08dcb36373eccff9c82de2349e75b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953972
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953972
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a3108c7-86d3-4945-a9ed-172ddc959dda.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a3108c7-86d3-4945-a9ed-172ddc959dda.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2a3108c7-86d3-4945-a9ed-172ddc959dda
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:31:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa846e63ab3bb88cb59d04bbf4d6095c90d08dcb36373eccff9c82de2349e75b0","name":"Ninja C","registered_at":"2026-06-16T04:19:17Z","symbol":"NIM0935293","token_address":"0xc1302d8f3d3ae58d9a739d2a865f54bba3b2c34f","type":"artist","uuid":"2a3108c7-86d3-4945-a9ed-172ddc959dda"}
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 0xa846e63ab3bb88cb59d04bbf4d6095c90d08dcb36373eccff9c82de2349e75b0. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a3108c7-86d3-4945-a9ed-172ddc959dda.json and https://artists.proofprofile.net/proofs/artist/2a3108c7-86d3-4945-a9ed-172ddc959dda.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xa846e63ab3bb88cb59d04bbf4d6095c90d08dcb36373eccff9c82de2349e75b0","name":"Ninja C","registered_at":"2026-06-16T04:19:17Z","symbol":"NIM0935293","token_address":"0xc1302d8f3d3ae58d9a739d2a865f54bba3b2c34f","type":"artist","uuid":"2a3108c7-86d3-4945-a9ed-172ddc959dda"}
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  type: MusicAlbum
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  date published: 2022-04-01
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  type: MusicAlbum
  date published: 2022-07-22
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  type: MusicAlbum
  date published: 2022-08-19
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  type: MusicAlbum
  date published: 2022-11-25
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-01-03