三上ちさこ
type: MusicGroup
popularity: 2
followers: 846
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f74835839889f4d1d92d2dd5401691c739a45ef1010b0325024d65c2cc94f85
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954058
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954058
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4460b862-1408-48bf-abce-56c061a3b484.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4460b862-1408-48bf-abce-56c061a3b484.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4460b862-1408-48bf-abce-56c061a3b484
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T06:34:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2f74835839889f4d1d92d2dd5401691c739a45ef1010b0325024d65c2cc94f85","name":"三上ちさこ","registered_at":"2026-06-16T13:43:16Z","symbol":"NIM1069911","token_address":"0x5e13f7a5dbdf1a98f91bb85b1db6d23a5ce8857e","type":"artist","uuid":"4460b862-1408-48bf-abce-56c061a3b484"}
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 0x2f74835839889f4d1d92d2dd5401691c739a45ef1010b0325024d65c2cc94f85. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4460b862-1408-48bf-abce-56c061a3b484.json and https://artists.proofprofile.net/proofs/artist/4460b862-1408-48bf-abce-56c061a3b484.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x2f74835839889f4d1d92d2dd5401691c739a45ef1010b0325024d65c2cc94f85","name":"三上ちさこ","registered_at":"2026-06-16T13:43:16Z","symbol":"NIM1069911","token_address":"0x5e13f7a5dbdf1a98f91bb85b1db6d23a5ce8857e","type":"artist","uuid":"4460b862-1408-48bf-abce-56c061a3b484"}
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