Chris Nine
type: MusicGroup
popularity: 3
followers: 614
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x727f25addb7dd7e027b7d70155e510c61dcc576e6bee1f2334ce3b0a25df6114
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953947
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953947
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/23ef2050-6ceb-40fc-ae90-cd73bd629843.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/23ef2050-6ceb-40fc-ae90-cd73bd629843.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/23ef2050-6ceb-40fc-ae90-cd73bd629843
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:14:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x727f25addb7dd7e027b7d70155e510c61dcc576e6bee1f2334ce3b0a25df6114","name":"Chris Nine","registered_at":"2026-06-16T02:09:52Z","symbol":"NIM0904386","token_address":"0x35546169c3a14e384d46e83d53429431196d9e88","type":"artist","uuid":"23ef2050-6ceb-40fc-ae90-cd73bd629843"}
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 0x727f25addb7dd7e027b7d70155e510c61dcc576e6bee1f2334ce3b0a25df6114. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/23ef2050-6ceb-40fc-ae90-cd73bd629843.json and https://artists.proofprofile.net/proofs/artist/23ef2050-6ceb-40fc-ae90-cd73bd629843.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x727f25addb7dd7e027b7d70155e510c61dcc576e6bee1f2334ce3b0a25df6114","name":"Chris Nine","registered_at":"2026-06-16T02:09:52Z","symbol":"NIM0904386","token_address":"0x35546169c3a14e384d46e83d53429431196d9e88","type":"artist","uuid":"23ef2050-6ceb-40fc-ae90-cd73bd629843"}
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  type: MusicAlbum
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  date published: 2021-08-27
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  date published: 2025-01-24