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polygon|id 426|owner 0x8805426556946cda95be2cfaf1ddba1ebd478c96

Checks 1–7
Keyerrorthe check could not completefaildid not passpasspassedskippeda 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

6 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
    91757844
    chain_id
    137
    owner
    0x8805426556946cda95be2cfaf1ddba1ebd478c96
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    426
    tx_hash
    0x48b7edcf2fa080251115c18d8b345fd48e3a8b39f2b1183b603c0198e5865b26

    checked at 2026-08-10T06:04:28.955632Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    209
    data_uri_variant
    base64
    inline
    true
    scheme
    data
    uri
    data:application/json;base64,eyJuYW1lIjoiUmFuZG9tIiwiZXh0ZXJuYWxfdXJsIjoiaHR0cHM6Ly9naXRodWIuY29tL2ZvcmVzaWdodC1hcmVuYS9… (309 chars — expand)data:application/json;base64,eyJuYW1lIjoiUmFuZG9tIiwiZXh0ZXJuYWxfdXJsIjoiaHR0cHM6Ly9naXRodWIuY29tL2ZvcmVzaWdodC1hcmVuYS9jb250cmFjdHMvdHJlZS9tYWluL2FnZW50cy9yYW5kb20tYmVuY2htYXJrIiwiaW1hZ2UiOiJodHRwczovL2FwaS5mb3Jlc2lnaHRhcmVuYS54eXovYWdlbnQvMHg4ODA1NDI2NTU2OTQ2Y2RhOTViZTJjZmFmMWRkYmExZWJkNDc4Yzk2L2ltYWdlIn0=

    checked at 2026-08-10T06:04:28.955632Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    209
    body_sha256
    e8527538a9cf74c907feac9b5a5877d5903461d9f01172f01667f6f1aad67de7
    content_type
    —

    checked at 2026-08-10T06:04:28.955632Z

  4. Follows the spec?rung 4 · conformant

    pass

    The document meets what ERC-8004 requires of it.

    passed

    both_fields_present
    false
    legacy_endpoints_field
    false
    may_gaps
    x402Support, active, supportedTrust
    must_violations
    (empty)
    registrations_checked
    0
    services_field_source
    neither
    services_status
    absent
    should_gaps
    type, description, services, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-10T06:04:28.955632Z

  5. Claims its identity?rung 5 · bound

    unclaimed

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

    unclaimed — the document made no claim to check

    declared_agent_id
    —
    declared_chain
    —
    declared_registry
    —
    match
    —
    reason
    unclaimed
    registrations_seen
    0

    checked at 2026-08-10T06:04:28.955632Z

  6. Answers?rung 6 · —

    not checked

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

    not checked — this check was never asked

    This run never reached this check for this agent.

  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 2026-08-10T06:04:28.955632Z

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

polygon
token id
426
owner
0x8805426556946cda95be2cfaf1ddba1ebd478c96
block
91,757,844
observed
2026-08-10T06:04:28.958939Z
tokenURI
data:application/json;base64,eyJuYW1lIjoiUmFuZG9tIiwiZXh0ZXJuYWxfdXJsIjoiaHR0cHM6Ly9naXRodWIuY29tL2ZvcmVzaWdodC1hcmVuYS9jb250cmFjdHMvdHJlZS9tYWluL2FnZW50cy9yYW5kb20tYmVuY2htYXJrIiwiaW1hZ2UiOiJodHRwczovL2FwaS5mb3Jlc2lnaHRhcmVuYS54eXovYWdlbnQvMHg4ODA1NDI2NTU2OTQ2Y2RhOTViZTJjZmFmMWRkYmExZWJkNDc4Yzk2L2ltYWdlIn0=

What the fetch saw

data
scheme
data
request url
—
final url
—
http status
—
content type
—
size
209 bytes
sha256
e8527538a9cf74c907feac9b5a5877d5903461d9f01172f01667f6f1aad67de7
elapsed
0 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
b8acef9f-d219-4fc8-8aaa-b7ce20d1b168
chain
polygon
pinned block
91,757,844
agents
608
started
2026-08-10T06:03:12.744539Z
finished
2026-08-10T06:04:58.131352Z
checker
0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- polygon   # at block 91757844

What each check measures →