{
 "@context": "https://schema.org",
 "@type": "DefinedTerm",
 "@id": "https://wulfkaal.github.io/entities/uptime-metric",
 "identifier": "kaal:entity:uptime-metric",
 "name": "Uptime metric",
 "termCode": "uptime-metric",
 "inDefinedTermSet": {
  "@id": "https://wulfkaal.github.io/entities/index.json"
 },
 "author": {
  "@type": "Person",
  "name": "Wulf A. Kaal",
  "identifier": "https://orcid.org/0000-0003-0757-275X"
 },
 "dateModified": "2026-07-29",
 "canonicalForm": "https://wulfkaal.github.io/entities/uptime-metric.md",
 "sha256": "4c18971ca360de2d910734ab0c06004d264f97629b21dd29b651be68bf5ec8e1",
 "additionalProperty": [
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   "@type": "PropertyValue",
   "name": "status",
   "value": "derived"
  },
  {
   "@type": "PropertyValue",
   "name": "claim_count",
   "value": 2
  },
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   "name": "work_count",
   "value": 1
  },
  {
   "@type": "PropertyValue",
   "name": "year_span",
   "value": [
    "2021",
    "2021"
   ]
  },
  {
   "@type": "PropertyValue",
   "name": "non_current_claims",
   "value": 0
  }
 ],
 "subjectOf": [
  {
   "@type": "Claim",
   "@id": "https://wulfkaal.github.io/claims/3931933-008",
   "identifier": "kaal:claim:3931933-008",
   "text": "The final 2021 Casper testnet used perceived validator node uptime as its single rewarding requirement.",
   "abstract": "The latest incentivized testnet ended in September 2021. The last Casper tesnet in September 2021 entailed as its single rewarding requirement the perceived uptime of the participating testnet validator node.",
   "citation": "Wulf A. Kaal, Hybrid Secure Proof of Stake (2021). SSRN: https://ssrn.com/abstract=3931933",
   "datePublished": "2021",
   "claim_type": "empirical",
   "confidence": "asserted",
   "is_failure_mode": false,
   "scope_conditions": [
    "Casper testnet incentivization phase ending September 2021"
   ],
   "source_pdf_sha256": "55a71cdfceb96fadefba1f2fed9563b588825378c91aff644ee7faaccdf31204",
   "status": "current"
  },
  {
   "@type": "Claim",
   "@id": "https://wulfkaal.github.io/claims/3931933-028",
   "identifier": "kaal:claim:3931933-028",
   "text": "The SDAO performance based onboarding metric deliberately goes well beyond validator node uptime, adding criteria such as node performance, running a dApp on the network, response time to upgrades, technical background, adherence to instructions and hardware specifications, and community behavior.",
   "abstract": "This performance based onboarding process and metric goes way beyond the criterion of validator node uptime. In the SDAO preregistration workflow, validator candidates apply for a position in the",
   "citation": "Wulf A. Kaal, Hybrid Secure Proof of Stake (2021). SSRN: https://ssrn.com/abstract=3931933",
   "datePublished": "2021",
   "claim_type": "design",
   "confidence": "argued",
   "is_failure_mode": false,
   "scope_conditions": [
    "SDAO preregistration workflow for validator candidates"
   ],
   "source_pdf_sha256": "55a71cdfceb96fadefba1f2fed9563b588825378c91aff644ee7faaccdf31204",
   "status": "current"
  }
 ],
 "description": "2 claims in the published works of Wulf A. Kaal carry the concept tag 'uptime-metric'. Derived node: a roster, not an adjudicated definition."
}