Kathryn Claire
type: MusicGroup
genre: celtic
popularity: 7
followers: 370
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd5130f5320f8c39bcb86d22947f0fd85db5ff51ea424d721637b290e2a1b587
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f43b02c4-356d-4863-9f44-fcfd3542ff8d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f43b02c4-356d-4863-9f44-fcfd3542ff8d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f43b02c4-356d-4863-9f44-fcfd3542ff8d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdd5130f5320f8c39bcb86d22947f0fd85db5ff51ea424d721637b290e2a1b587","name":"Kathryn Claire","registered_at":"2026-06-21T14:39:54Z","symbol":"NIM1948092","token_address":"0x8c6872ee0430a78b69c4437258dfe4a49d739b01","type":"artist","uuid":"f43b02c4-356d-4863-9f44-fcfd3542ff8d"}
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 0xdd5130f5320f8c39bcb86d22947f0fd85db5ff51ea424d721637b290e2a1b587. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f43b02c4-356d-4863-9f44-fcfd3542ff8d.json and https://artists.proofprofile.net/proofs/artist/f43b02c4-356d-4863-9f44-fcfd3542ff8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xdd5130f5320f8c39bcb86d22947f0fd85db5ff51ea424d721637b290e2a1b587","name":"Kathryn Claire","registered_at":"2026-06-21T14:39:54Z","symbol":"NIM1948092","token_address":"0x8c6872ee0430a78b69c4437258dfe4a49d739b01","type":"artist","uuid":"f43b02c4-356d-4863-9f44-fcfd3542ff8d"}
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