Henry Lehmann
type: MusicGroup
genre: german pop
description: Henry Lehmann (August 21, 1929 – February 2, 2000), was an American business executive who was the General Manager of General Electric's military systems operations in Syracuse, New York and a philant
popularity: 13
followers: 691
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb187f0797e9ae9d88568e281d0ac3905d10953f6f9e64fa7bf52b14185e303bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28a3e1e5-9b45-4274-a8cd-6246973681c5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28a3e1e5-9b45-4274-a8cd-6246973681c5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/28a3e1e5-9b45-4274-a8cd-6246973681c5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb187f0797e9ae9d88568e281d0ac3905d10953f6f9e64fa7bf52b14185e303bd","name":"Henry Lehmann","registered_at":"2026-06-14T08:39:31Z","symbol":"NIM0398411","token_address":"0x4a9ddcf84482eb4defe95cbdce7ea9f807fe0bee","type":"artist","uuid":"28a3e1e5-9b45-4274-a8cd-6246973681c5"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb187f0797e9ae9d88568e281d0ac3905d10953f6f9e64fa7bf52b14185e303bd. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/28a3e1e5-9b45-4274-a8cd-6246973681c5.json and https://artists.proofprofile.net/proofs/artist/28a3e1e5-9b45-4274-a8cd-6246973681c5.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0xb187f0797e9ae9d88568e281d0ac3905d10953f6f9e64fa7bf52b14185e303bd","name":"Henry Lehmann","registered_at":"2026-06-14T08:39:31Z","symbol":"NIM0398411","token_address":"0x4a9ddcf84482eb4defe95cbdce7ea9f807fe0bee","type":"artist","uuid":"28a3e1e5-9b45-4274-a8cd-6246973681c5"}
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