Eric Unger
type: MusicGroup
description: Eric Ernest Unger (December 28, 1926 – March 28, 2018) was a Canadian ice hockey player with the East York Lyndhursts. He won a silver medal at the 1954 World Ice Hockey Championships in Stockholm, S
popularity: 3
followers: 208
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bd2f0121c17f5c31f0b0dcce48094ddb8d2361d062e0a962bd66e4af26787ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954141
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954141
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/80057120-961b-4804-8b30-72fa2126cba2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/80057120-961b-4804-8b30-72fa2126cba2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/80057120-961b-4804-8b30-72fa2126cba2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T21:14:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1bd2f0121c17f5c31f0b0dcce48094ddb8d2361d062e0a962bd66e4af26787ed","name":"Eric Unger","registered_at":"2026-06-17T10:11:56Z","symbol":"NIM1363029","token_address":"0x038cad1bd1c5e1cc585449b3786d0ac2fbe7e7d1","type":"artist","uuid":"80057120-961b-4804-8b30-72fa2126cba2"}
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 0x1bd2f0121c17f5c31f0b0dcce48094ddb8d2361d062e0a962bd66e4af26787ed. Chain 2 (Bitcoin): anchored in block 954141 (2026-06-17T21:14:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/80057120-961b-4804-8b30-72fa2126cba2.json and https://artists.proofprofile.net/proofs/artist/80057120-961b-4804-8b30-72fa2126cba2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T21:14:35Z
  text: {"copyright_id":"0x1bd2f0121c17f5c31f0b0dcce48094ddb8d2361d062e0a962bd66e4af26787ed","name":"Eric Unger","registered_at":"2026-06-17T10:11:56Z","symbol":"NIM1363029","token_address":"0x038cad1bd1c5e1cc585449b3786d0ac2fbe7e7d1","type":"artist","uuid":"80057120-961b-4804-8b30-72fa2126cba2"}
album: Eric Unger
  type: MusicAlbum
  date published: 2017-03-24
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