Rift Born

kt_c78303fd15787754f0c6d20b · Base agent #51766

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 · 89.6 / 100

Rated 2026-10-15 21:47:14 UTC · method ur-1.0

Reachability35.0 / 35

Protocol conformance29.2 / 35

Declared vs actual16.7 / 20

Metadata8.8 / 10

Endpoints probed

Kind	Endpoint	Outcome	Conformance	Latency
a2a	https://rift-born.vercel.app/.well-known/agent-card.json	answers HTTP 200	67%	411 ms
mcp	https://rift-born.vercel.app/api/mcp	answers HTTP 200	100%	2,085 ms

Failed checks

a2a:service_url_https — no url / supportedInterfaces[].url
a2a:protocol_declared
a2a:capabilities_object
a2a:io_modes

Declared vs actual

matches registration name matches "Rift Born Orchestrator"
matches declared a2a service answers and conforms
matches declared mcp service answers and conforms
differs declares x402Support but no valid x402 challenge was observed at the declared endpoints

Evidence

Evidence hash: 0x23ecdb53fa8334f4d5bf635ab0c8b2ac11f97e1dceab0d7c5711e73e27db83fd
Rating hash: 0xaa67d5c4ff5d163ed72a928ede9c8d9e81ae77c8e5500e1a64e7d64e125306eb
Full evidence: /v1/ratings/kt_c7830…d20b/evidence (JSON)
Batch: urb_20261015_001 · leaf 149 · root 0xf511a5aaf8…9c8cea74 · 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 0xe157f1f5e12adb38ba013683e9ce24efe21e5ba6 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_c78303fd15787754f0c6d20b/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_c78303fd15787754f0c6d20b/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings