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Agent

NOEMA

mainnet|id 22883|owner 0x1821bd18cbdd267ce4e389f893ddfe7beb333ab6

Checks 1–7

AI generation infrastructure — images, video, and media, with on-chain pay-per-call agents.

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
    25824613
    chain_id
    1
    owner
    0x1821bd18cbdd267ce4e389f893ddfe7beb333ab6
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    22883
    tx_hash
    0x7d4c362a241fb07053f7ceee54a780c6809878f7fa85b928723099db4101f930

    checked at 2026-08-24T11:33:20.451940Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    623
    final_url
    https://noema.art/.well-known/agent-card.json
    http_status
    200
    request_url
    https://noema.art/.well-known/agent-card.json
    scheme
    https
    uri
    https://noema.art/.well-known/agent-card.json

    checked at 2026-08-24T11:33:20.451940Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    549
    body_sha256
    3808a7d425dae83f59043fc7b6bd836820e6832f788444e380edc10bf87e68a2
    content_type
    application/json; charset=utf-8

    checked at 2026-08-24T11:33:20.451940Z

  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
    services
    services_status
    present
    should_gaps
    image, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-24T11:33:20.451940Z

  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 2026-08-24T11:33:20.451940Z

  6. Answers?rung 6 · live

    pass

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

    passed

    endpoints
    {"declared":"https://noema.art","elapsed_ms":525,"final_url":"https://noema.art/","http_status":200,"index":0,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://noema.art"}, {"declared":"https://noema.art/api/v1/mcp","elapsed_ms":627,"final_url":"https://noema.art/api/v1/mcp","http_status":404,"index":1,"kind":"https","name":"MCP","outcome":"not_live","probed":true,"probed_url":"https://noema.art/api/v1/mcp"}
    endpoints_answered_not_live
    1
    endpoints_declared
    2
    endpoints_live
    1
    endpoints_our_error
    0
    endpoints_payment_gated
    0
    endpoints_probeable
    2
    endpoints_probed
    2
    endpoints_refused
    0

    checked at 2026-08-24T13:24:55.917314Z

  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 2026-08-24T11:33:20.451940Z

On-chain snapshot

mainnet
token id
22883
owner
0x1821bd18cbdd267ce4e389f893ddfe7beb333ab6
block
25,824,613
observed
2026-08-24T11:33:20.453465Z
tokenURIopen →
https://noema.art/.well-known/agent-card.json

What the fetch saw

https
scheme
https
request url
https://noema.art/.well-known/agent-card.json
final url
https://noema.art/.well-known/agent-card.json
http status
200
content type
application/json; charset=utf-8
size
549 bytes
sha256
3808a7d425dae83f59043fc7b6bd836820e6832f788444e380edc10bf87e68a2
elapsed
623 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
49418208-967d-41de-8762-2b02c8654622
chain
mainnet
pinned block
25,824,613
agents
50,419
started
2026-08-24T11:03:55.159273Z
finished
2026-08-24T12:45:59.131330Z
checker
0.7.0 · 9d5393c75e1c70208ad73f51dc4685b4e5f5c37d
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- mainnet   # at block 25824613

What each check measures →