4626 Agent

kt_3464b18c4439886eb67d133e · Base agent #2205

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 · 86.5 / 100

Rated 2026-10-15 21:51:21 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance29.5 / 35

Declared vs actual12.0 / 20

Metadata10.0 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://4626.fun/.well-known/agent-card.json	answers HTTP 200	84%	256 ms

Failed checks

a2a:protocol_declared
a2a:echo_envelope — HTTP 405, not a JSON-RPC 2.0 response

Declared vs actual

matches registration name matches "4626"
matches declared a2a service answers and conforms
differs 1 of 7 declared skills appear in what the endpoint exposes
differs declares x402Support but no valid x402 challenge was observed at the declared endpoints

Evidence

Evidence hash: 0xdb19c739d79a6a550d57cf939a25f1e5ff61c3f4bb58a55ee6a4722c4d627eab
Rating hash: 0x4e6567b0065a644ea1deaf6a72cd7c3fa43786b666f86cd221058bc0c7d0919a
Full evidence: /v1/ratings/kt_3464b…133e/evidence (JSON)
Batch: urb_20261015_002 · leaf 355 · root 0xa8bc5c7d37…51d649cd · 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 0x793ca28123cba3ca3c20b9c6c67f37510c89c145 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_3464b18c4439886eb67d133e/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_3464b18c4439886eb67d133e/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings