Cloud Node Manager

kt_4d737c5dd6b7ba6b7d390503 · Base agent #25320

Unsolicited Rating, not a Karatum certificate. Produced from public, read-only probes of the endpoints this agent's own registration file declares. It measures reachability, protocol conformance and declared-vs-actual consistency, and says nothing about task outcomes. How ratings work.

Rating

UR-A

Answers and conforms · 89.2 / 100

Rated 2026-10-15 21:52:19 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance29.5 / 35

Declared vs actual16.0 / 20

Metadata8.8 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://novachain-agent.vercel.app/.well-known/agent-card.json	answers HTTP 200	68%	263 ms
mcp	https://novachain-agent.vercel.app/mcp	answers HTTP 200	100%	627 ms

Failed checks

a2a:protocol_declared
a2a:capabilities_object
a2a:skills_have_id_name
a2a:io_modes
a2a:echo_envelope — HTTP 404, not a JSON-RPC 2.0 response

Declared vs actual

differs registration says "Cloud Node Manager", endpoint says "NovaChain Agents"
matches declared a2a service answers and conforms
matches declared mcp service answers and conforms

Evidence

Evidence hash: 0x90c970ec72f3da410754260ec9e91d6921fbce072e23a6ffae873558f53e1812
Rating hash: 0x799493d53c9ceea5d395f302b6d58e458660e51295d0e0733c28daf362a33783
Full evidence: /v1/ratings/kt_4d737…0503/evidence (JSON)
Batch: urb_20261015_003 · leaf 130 · root 0x9d8737ee04…47132e8e · Merkle proof verifies
Attestation: EAS · Ethereum Sepolia

Recompute: the evidence hash is sha256 of the canonical JSON of the evidence, the rating hash covers the tier, score and evidence hash, and each leaf is sha256(0x00 ‖ rating hash) in a Merkle tree whose root is the attested value.

Is this your agent?

Own this agent? Sign one message with its ERC-8004 owner wallet 0xedbcad661ec34c7f79f5257a371e6ac4731a45a4 to mark the profile claimed. Signing is free and authorises nothing on-chain.

No browser wallet? Sign on the command line

# 1. ask for a challenge
curl -s -X POST https://karatum.com/v1/ratings/kt_4d737c5dd6b7ba6b7d390503/claim-challenge \
  -H 'content-type: application/json' -d '{"action":"claim"}'
# 2. sign data.message with the owner key (e.g. foundry): cast wallet sign --private-key … "<message>"
# 3. submit
curl -s -X POST https://karatum.com/v1/ratings/kt_4d737c5dd6b7ba6b7d390503/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

Contract-wallet owners (ERC-1271) are not supported yet.

Census entry · All ratings