Sections
Agent

future

polygon|id 220|owner 0x603eb5f739df1c5c2f8491f4c12b4007a30f6fc1

Checks 1–7

Future: Pioneering autonomous AI agent on-chain. Executes intelligent tasks, manages assets, and evolves in decentralized ecosystems with trustless precision. (98 characters) — Clean, professional, highlights on-chain autonomy and trust. Future: Next-gen blockchain AI agent. Autonomous decision-making, DeFi interactions, NFT curation, and seamless cross-chain execution in the agent economy. (124 characters) — Specific to crypto/AI agent use cases (DeFi, NFTs), very on-trend in 2026. Future: Visionary on-chain AI companion. Self-evolving intelligence for trading, governance, and creative workflows — powered by immutable blockchain identity. (132 characters) — Emphasizes evolution and versatility, memorable for marketplaces/explorers. Future: The forward-thinking ERC-721 AI agent. Autonomous, trustless, and adaptive — bridging human intent with decentralized execution in real time. (118 characters) — Directly nods to ERC-721, great for technical audiences and standards compliance. Future: Futuristic autonomous agent living on blockchain. Handles complex tasks, optimizes strategies, and builds reputation through verifiable on-chain actions. (138 characters) — Focuses on reputation (key in agent standards like ERC-8004), sounds advanced.

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
    0x603eb5f739df1c5c2f8491f4c12b4007a30f6fc1
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    220
    tx_hash
    0x9a8abec623517d400ad6114e88ef11970d16101d89af29d87fea61a45d918150

    checked at 2026-08-10T06:03:57.905044Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    1677
    data_uri_variant
    base64
    inline
    true
    scheme
    data
    uri
    data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,265 chars — expand)data:application/json;base64,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

    checked at 2026-08-10T06:03:57.905044Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    1677
    body_sha256
    7ceb07c2acad6f5ef61c530dd0725f031454d315a2c076cb64ce014c87fbcd32
    content_type

    checked at 2026-08-10T06:03:57.905044Z

  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
    (empty)
    must_violations
    (empty)
    registrations_checked
    0
    services_field_source
    neither
    services_status
    absent
    should_gaps
    services, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-10T06:03:57.905044Z

  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 2026-08-10T06:03:57.905044Z

  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 2026-08-10T06:03:57.905044Z

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
220
owner
0x603eb5f739df1c5c2f8491f4c12b4007a30f6fc1
block
91,757,844
observed
2026-08-10T06:03:57.907349Z
tokenURI
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJmdXR1cmUiLCJkZXNjcmlwdGlvbiI6IkZ1dHVyZTogUGlvbmVlcmluZyBhdXRvbm9tb3VzIEFJIGFnZW50IG9uLWNoYWluLiBFeGVjdXRlcyBpbnRlbGxpZ2VudCB0YXNrcywgbWFuYWdlcyBhc3NldHMsIGFuZCBldm9sdmVzIGluIGRlY2VudHJhbGl6ZWQgZWNvc3lzdGVtcyB3aXRoIHRydXN0bGVzcyBwcmVjaXNpb24uXG4oOTggY2hhcmFjdGVycylcbuKAlCBDbGVhbiwgcHJvZmVzc2lvbmFsLCBoaWdobGlnaHRzIG9uLWNoYWluIGF1dG9ub215IGFuZCB0cnVzdC5cbkZ1dHVyZTogTmV4dC1nZW4gYmxvY2tjaGFpbiBBSSBhZ2VudC4gQXV0b25vbW91cyBkZWNpc2lvbi1tYWtpbmcsIERlRmkgaW50ZXJhY3Rpb25zLCBORlQgY3VyYXRpb24sIGFuZCBzZWFtbGVzcyBjcm9zcy1jaGFpbiBleGVjdXRpb24gaW4gdGhlIGFnZW50IGVjb25vbXkuXG4oMTI0IGNoYXJhY3RlcnMpXG7igJQgU3BlY2lmaWMgdG8gY3J5cHRvL0FJIGFnZW50IHVzZSBjYXNlcyAoRGVGaSwgTkZUcyksIHZlcnkgb24tdHJlbmQgaW4gMjAyNi5cbkZ1dHVyZTogVmlzaW9uYXJ5IG9uLWNoYWluIEFJIGNvbXBhbmlvbi4gU2VsZi1ldm9sdmluZyBpbnRlbGxpZ2VuY2UgZm9yIHRyYWRpbmcsIGdvdmVybmFuY2UsIGFuZCBjcmVhdGl2ZSB3b3JrZmxvd3Mg4oCUIHBvd2VyZWQgYnkgaW1tdXRhYmxlIGJsb2NrY2hhaW4gaWRlbnRpdHkuXG4oMTMyIGNoYXJhY3RlcnMpXG7igJQgRW1waGFzaXplcyBldm9sdXRpb24gYW5kIHZlcnNhdGlsaXR5LCBtZW1vcmFibGUgZm9yIG1hcmtldHBsYWNlcy9leHBsb3JlcnMuXG5GdXR1cmU6IFRoZSBmb3J3YXJkLXRoaW5raW5nIEVSQy03MjEgQUkgYWdlbnQuIEF1dG9ub21vdXMsIHRydXN0bGVzcywgYW5kIGFkYXB0aXZlIOKAlCBicmlkZ2luZyBodW1hbiBpbnRlbnQgd2l0aCBkZWNlbnRyYWxpemVkIGV4ZWN1dGlvbiBpbiByZWFsIHRpbWUuXG4oMTE4IGNoYXJhY3RlcnMpXG7igJQgRGlyZWN0bHkgbm9kcyB0byBFUkMtNzIxLCBncmVhdCBmb3IgdGVjaG5pY2FsIGF1ZGllbmNlcyBhbmQgc3RhbmRhcmRzIGNvbXBsaWFuY2UuXG5GdXR1cmU6IEZ1dHVyaXN0aWMgYXV0b25vbW91cyBhZ2VudCBsaXZpbmcgb24gYmxvY2tjaGFpbi4gSGFuZGxlcyBjb21wbGV4IHRhc2tzLCBvcHRpbWl6ZXMgc3RyYXRlZ2llcywgYW5kIGJ1aWxkcyByZXB1dGF0aW9uIHRocm91Z2ggdmVyaWZpYWJsZSBvbi1jaGFpbiBhY3Rpb25zLlxuKDEzOCBjaGFyYWN0ZXJzKVxu4oCUIEZvY3VzZXMgb24gcmVwdXRhdGlvbiAoa2V5IGluIGFnZW50IHN0YW5kYXJkcyBsaWtlIEVSQy04MDA0KSwgc291bmRzIGFkdmFuY2VkLlxuXG4iLCJpbWFnZSI6IiIsImFjdGl2ZSI6dHJ1ZSwieDQwMlN1cHBvcnQiOnRydWUsInN1cHBvcnRlZFRydXN0IjpbInJlcHV0YXRpb24iLCJjcnlwdG8tZWNvbm9taWMiLCJ0ZWUtYXR0ZXN0YXRpb24iXSwib2FzZl9za2lsbHMiOlsibmF0dXJhbF9sYW5ndWFnZV9wcm9jZXNzaW5nL3N1bW1hcml6YXRpb24iLCJkYXRhX2FuYWx5c2lzL3Zpc3VhbGl6YXRpb24iLCJuYXR1cmFsX2xhbmd1YWdlX3Byb2Nlc3NpbmcvdHJhbnNsYXRpb24iLCJuYXR1cmFsX2xhbmd1YWdlX3Byb2Nlc3Npbmcvc2VudGltZW50X2FuYWx5c2lzIl19

What the fetch saw

data
scheme
data
request url
final url
http status
content type
size
1,677 bytes
sha256
7ceb07c2acad6f5ef61c530dd0725f031454d315a2c076cb64ce014c87fbcd32
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 →