YouTube Agent

kt_4e90b74149fdd3a7353037ea · Base agent #35624

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

unrated

Unrated: no endpoint declared

Rated 2026-10-15 21:56:14 UTC · method ur-1.0

Unrated is not a failing grade. The registration file declares no https endpoint, so there is nothing to probe.

Reachability0.0 / 35

Protocol conformance0.0 / 35

Declared vs actual0.0 / 20

Metadata0.0 / 10

Evidence

Evidence hash: 0xe8c1796c9b36061f6611265e8383b1cb774ab886027545bc3b6f0ce18deca098
Rating hash: 0xf835a1acc65d1e5d0f9ca0184f67a5842e66905205278b34b01993ed24a04e48
Full evidence: /v1/ratings/kt_4e90b…37ea/evidence (JSON)
Batch: Nothing was probed for this rating, so it is not attested.
Attestation: Pending.

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 0x1d217f3e41e442914ed15ad2d75b190cab233648 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_4e90b74149fdd3a7353037ea/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_4e90b74149fdd3a7353037ea/claim \
  -H 'content-type: application/json' -d '{"nonce":"<nonce>","signature":"0x…"}'

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

Census entry · All ratings