KaratumTestnet · pilotOpen Explorer

Bridge Arbitrage Bot 2

kt_822e36e67ec14e17791e42f6 · Base agent #25383

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 21:52:49 UTC · method ur-1.0
Reachability35.0 / 35
Protocol conformance29.5 / 35
Declared vs actual16.0 / 20
Metadata8.8 / 10

Endpoints probed

KindEndpointOutcomeConformanceLatency
a2ahttps://base-scan-xi.vercel.app/.well-known/agent-card.jsonanswers HTTP 20068%785 ms
mcphttps://base-scan-xi.vercel.app/mcpanswers HTTP 200100%849 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 "Bridge Arbitrage Bot 2", endpoint says "BaseScan-Agent"
  • matches declared a2a service answers and conforms
  • matches declared mcp service answers and conforms

Evidence

Evidence hash
0x878b72e3dc15f40d1dff47096f593503059242d1c44c1c24e717f395bf192615
Rating hash
0x5909b1bdd3d5e4d52f1105942fe9086058ad093d80572b80993742d8027e92af
Full evidence
/v1/ratings/kt_822e3…42f6/evidence (JSON)
Batch
urb_20261015_003 · leaf 219 · 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 0x34744af9fd52a7f0a3d89d020a38a6981dd23334 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_822e36e67ec14e17791e42f6/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_822e36e67ec14e17791e42f6/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings