Amaurosis Fugax
type: MusicGroup
description: Amaurosis fugax (, meaning 'darkening', 'dark', or 'obscure', meaning 'fleeting') is a painless temporary loss of vision in one or both eyes. Signs and symptoms The experience of amaurosis fugax is
popularity: 6
followers: 895
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41899687f66ec39bc78c1810ff8ca576fe45a04d9565bd853a0bc65329d82035
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954573
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954573
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4d3d586-3e73-42ee-8723-f8d57f786bf5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4d3d586-3e73-42ee-8723-f8d57f786bf5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4d3d586-3e73-42ee-8723-f8d57f786bf5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T15:45:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41899687f66ec39bc78c1810ff8ca576fe45a04d9565bd853a0bc65329d82035","name":"Amaurosis Fugax","registered_at":"2026-06-20T14:12:20Z","symbol":"NIM1628343","token_address":"0x9d9b24be99460ba881a946b5bf5c84eef737c24e","type":"artist","uuid":"b4d3d586-3e73-42ee-8723-f8d57f786bf5"}
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 0x41899687f66ec39bc78c1810ff8ca576fe45a04d9565bd853a0bc65329d82035. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4d3d586-3e73-42ee-8723-f8d57f786bf5.json and https://artists.proofprofile.net/proofs/artist/b4d3d586-3e73-42ee-8723-f8d57f786bf5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T15:45:29Z
  text: {"copyright_id":"0x41899687f66ec39bc78c1810ff8ca576fe45a04d9565bd853a0bc65329d82035","name":"Amaurosis Fugax","registered_at":"2026-06-20T14:12:20Z","symbol":"NIM1628343","token_address":"0x9d9b24be99460ba881a946b5bf5c84eef737c24e","type":"artist","uuid":"b4d3d586-3e73-42ee-8723-f8d57f786bf5"}
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