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Agent

A-Identity Trust Oracle

celo|id 9759|owner 0xf43f43d8aee114a71b164e1f6214bc7625a5742d

Checks 1–7

Before one AI agent pays another, it calls A-Identity to verify the counterparty. Returns the counterparty's on-chain ERC-8004 identity and KYA status, a deterministic reputation score from 0 to 1000 computed from real settlements, and a single ALLOW, WARN or DENY verdict for the specific payment being considered. Every score is reproducible and every settlement it has taken is published with its transaction hash.

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded
Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

  1. Registered?rung 1 · registered

    pass

    The agent exists in the on-chain registry, with an owner and a document URL.

    passed

    block_number
    79282391
    chain_id
    42220
    owner
    0xf43f43d8aee114a71b164e1f6214bc7625a5742d
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    9759
    tx_hash
    0x0a821026621e5b35ff5602f81348b276b0d0f1b61a3892365658295fc5bcb22e

    checked at 2026-10-05T07:20:46.276731Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    361
    final_url
    https://a-identity.xyz/.well-known/agent-card.json
    http_status
    200
    request_url
    https://a-identity.xyz/.well-known/agent-card.json
    scheme
    https
    uri
    https://a-identity.xyz/.well-known/agent-card.json

    checked at 2026-10-05T07:20:46.276731Z

  3. Readable?rung 3 · parseable

    pass

    What came back is valid JSON that a machine can read.

    passed

    body_bytes
    11318
    body_sha256
    88dea0b3e16de055f06d2627a415c376b0cd48cc03367c29436a1f94c8895ef1
    content_type
    application/json; charset=utf-8

    checked at 2026-10-05T07:20:46.276731Z

  4. Follows the spec?rung 4 · conformant

    fail

    The document meets what ERC-8004 requires of it.

    did not pass

    both_fields_present
    false
    legacy_endpoints_field
    false
    may_gaps
    x402Support, active, supportedTrust
    must_violations
    registrations[0].agentRegistry, registrations[1].agentRegistry, registrations[2].agentRegistry, registrations[3].agentRe… (222 chars — expand)registrations[0].agentRegistry, registrations[1].agentRegistry, registrations[2].agentRegistry, registrations[3].agentRegistry, registrations[4].agentRegistry, registrations[5].agentRegistry, registrations[6].agentRegistry
    registrations_checked
    7
    services_field_source
    neither
    services_status
    absent
    should_gaps
    type, image, services
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-10-05T07:20:46.276731Z

  5. Claims its identity?rung 5 · bound

    skipped

    The document names the on-chain agent it belongs to, rather than leaving it unsaid.

    skipped — a check this one depends on did not pass

    skipped_because_rung
    4
    skipped_because_status
    fail

    checked at 2026-10-05T07:20:46.276731Z

  6. Answers?rung 6 · live

    skipped

    A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.

    skipped — a check this one depends on did not pass

    skipped_because_rung
    4
    skipped_because_status
    fail

    checked at 2026-10-05T07:31:54.600744Z

  7. Has feedback?rung 7 · attested

    fail

    At least one on-chain feedback entry names this agent.

    did not pass

    distinct_authors
    0
    feedback_count
    0
    reason
    no_feedback

    checked at 2026-10-05T07:20:46.276731Z

Check it again, now

outside the census
Everything above is one sweep, pinned to one block. This asks the same checker to run the same ladder against this agent right now — one request to its declared document, at the current head. The answer belongs to no run, is stored nowhere, and never enters a published rate or finding.
Sends one request to the agent’s own server. Rate limited.

On-chain snapshot

celo
token id
9759
owner
0xf43f43d8aee114a71b164e1f6214bc7625a5742d
block
79,282,391
observed
2026-10-05T07:20:46.279830Z
tokenURIopen →
https://a-identity.xyz/.well-known/agent-card.json

What the fetch saw

https
scheme
https
request url
https://a-identity.xyz/.well-known/agent-card.json
final url
https://a-identity.xyz/.well-known/agent-card.json
http status
200
content type
application/json; charset=utf-8
size
11,318 bytes
sha256
88dea0b3e16de055f06d2627a415c376b0cd48cc03367c29436a1f94c8895ef1
elapsed
361 ms

This run

reproducible
Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.
run
51518bd2-6305-4b27-a769-cf957aba00f4
chain
celo
pinned block
79,282,391
agents
9,878
started
2026-10-05T06:52:29.184815Z
finished
2026-10-05T07:30:46.088420Z
checker
0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- celo   # at block 79282391

What each check measures →