Henry Maybury
type: MusicGroup
description: Sir Henry Percy Maybury (17 November 1864 – 7 January 1943) was a British civil engineer. He began his career as a railway engineer, working on many railways in England and Wales before becoming the c
popularity: 8
followers: 343
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5f23a3024a7dbdf76f4288d0a8d8d71421e5efa42499c9ffc2057a5a02aae04
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/24b4c576-5a2f-44b2-bcf9-06b9a4f8be32.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/24b4c576-5a2f-44b2-bcf9-06b9a4f8be32.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/24b4c576-5a2f-44b2-bcf9-06b9a4f8be32
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5f23a3024a7dbdf76f4288d0a8d8d71421e5efa42499c9ffc2057a5a02aae04","name":"Henry Maybury","registered_at":"2026-06-16T02:23:57Z","symbol":"NIM0907750","token_address":"0x9d84a2edecb0c804e9399fc2fa93b85738a361e1","type":"artist","uuid":"24b4c576-5a2f-44b2-bcf9-06b9a4f8be32"}
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 0xe5f23a3024a7dbdf76f4288d0a8d8d71421e5efa42499c9ffc2057a5a02aae04. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/24b4c576-5a2f-44b2-bcf9-06b9a4f8be32.json and https://artists.proofprofile.net/proofs/artist/24b4c576-5a2f-44b2-bcf9-06b9a4f8be32.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xe5f23a3024a7dbdf76f4288d0a8d8d71421e5efa42499c9ffc2057a5a02aae04","name":"Henry Maybury","registered_at":"2026-06-16T02:23:57Z","symbol":"NIM0907750","token_address":"0x9d84a2edecb0c804e9399fc2fa93b85738a361e1","type":"artist","uuid":"24b4c576-5a2f-44b2-bcf9-06b9a4f8be32"}
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