Ernest Strawfield
type: MusicGroup
popularity: 2
followers: 150
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05719f6a73358104a66749c557c1b2f5a09046078beb6a33eae883aa7f6a1dde
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87c02387-63ed-4214-a33b-77d0d3efc290.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87c02387-63ed-4214-a33b-77d0d3efc290.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/87c02387-63ed-4214-a33b-77d0d3efc290
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x05719f6a73358104a66749c557c1b2f5a09046078beb6a33eae883aa7f6a1dde","name":"Ernest Strawfield","registered_at":"2026-06-17T13:03:30Z","symbol":"NIM1403857","token_address":"0x34b1764c1113b31313292e00cc36908004eb981a","type":"artist","uuid":"87c02387-63ed-4214-a33b-77d0d3efc290"}
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 0x05719f6a73358104a66749c557c1b2f5a09046078beb6a33eae883aa7f6a1dde. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87c02387-63ed-4214-a33b-77d0d3efc290.json and https://artists.proofprofile.net/proofs/artist/87c02387-63ed-4214-a33b-77d0d3efc290.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x05719f6a73358104a66749c557c1b2f5a09046078beb6a33eae883aa7f6a1dde","name":"Ernest Strawfield","registered_at":"2026-06-17T13:03:30Z","symbol":"NIM1403857","token_address":"0x34b1764c1113b31313292e00cc36908004eb981a","type":"artist","uuid":"87c02387-63ed-4214-a33b-77d0d3efc290"}
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  date published: 2023-09-21
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