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Check your agent
Agent

nb21

billions|id 19247|owner 0x436a05eab7efd2f9ce43adb525afea94e829e06e

Checks 1–7

nb21 AI Agent

Keyfaildid 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
    6914383
    chain_id
    45056
    owner
    0x436a05eab7efd2f9ce43adb525afea94e829e06e
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    19247
    tx_hash
    0x439bdee3b227ab29d522e17d3a661677567fd39add08e418ca52c3b46462c52e

    checked at 2026-08-24T10:24:21.405460Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    808
    data_uri_variant
    base64
    inline
    true
    scheme
    data
    uri
    data:application/json;base64,eyJ2ZXJzaW9uIjoiMS4wLjAiLCJjYXBhYmlsaXRpZXMiOlsiZXJjODAwNC1yZWdpc3RyYXRpb24iXSwibmFtZSI6Im5iMjEiLCJkZXNjcmlwdGlvbiI6Im5iMjEgQUkgQWdlbnQiLCJhdHRlc3RhdGlvbkluZm8iOnsic2NoZW1hSWQiOiIweGNhMzU0YmVlNmRjNWVkZWQxNjU0NjFkMTVjY2IxM2FjZWI2Zjc3ZWJiYjFmZDNmZTQ1YWNhNjg2MDk3ZjI5MTEiLCJhdHRlc3RlciI6eyJkaWQiOiJkaWQ6aWRlbjM6YmlsbGlvbnM6bWFpbjoyVnV5TlNBdkFnYnZWOXVFR2dBM1YyUFlWV1p3bUtZUGhYMXR1RWgyODciLCJpZGVuM0lkIjoiMjkwNDc4NjE4Mjk2MTQzMDEwMjE3OTYwNDQ3OTgxNTc0NDczODk0MzAwMjE5MDAwMDA4NDAyNTExNTA4NjQzNzQ2MDY5NjcwNDEiLCJldGhlcmV1bUFkZHJlc3MiOiIweGIzZjVkM2RkNDdmNmNhMTc0Njg4OTgyOTE0OTFlYmRhNjlhNjc3OTcifSwicmVjaXBpZW50Ijp7ImRpZCI6ImRpZDppZGVuMzpiaWxsaW9uczptYWluOjJWbUFrWHJpaFlhTEtIaUx2bzV4b0FzcEw0TVAzeDNvUVBRNjhyalVpdyIsImlkZW4zSWQiOiIyMjc3MTg1MDM5OTM4ODk1NjM2NjI0MDg2MjA0NDI5ODE4MTAwMjg5MjU0OTIzNTMxODk2MzkxOTczNDQ4ODk2OTA5MTUyNjkxMyIsImV0aGVyZXVtQWRkcmVzcyI6IjB4NDM2YTA1ZWFiN2VmZDJmOWNlNDNhZGI1MjVhZmVhOTRlODI5ZTA2ZSJ9LCJleHBpcmF0aW9uVGltZSI6IjAiLCJyZXZvY2FibGUiOmZhbHNlLCJyZWZJZCI6IjB4MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMCIsImRhdGEiOiIweCJ9fQ==

    checked at 2026-08-24T10:24:21.405460Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    808
    body_sha256
    11513893b7d29ab692626314bd5f940d1c1fecd62ef66ec0a23e074e2a459a30
    content_type
    —

    checked at 2026-08-24T10:24:21.405460Z

  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, image, services, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-24T10:24:21.405460Z

  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 2026-08-24T10:24:21.405460Z

  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 2026-08-24T10:24:21.405460Z

On-chain snapshot

billions
token id
19247
owner
0x436a05eab7efd2f9ce43adb525afea94e829e06e
block
6,914,383
observed
2026-08-24T10:24:21.406770Z
tokenURI
data:application/json;base64,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

What the fetch saw

data
scheme
data
request url
—
final url
—
http status
—
content type
—
size
808 bytes
sha256
11513893b7d29ab692626314bd5f940d1c1fecd62ef66ec0a23e074e2a459a30
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
b05a52b0-6b21-436d-bdb4-48a9a85389f6
chain
billions
pinned block
6,914,383
agents
25,976
started
2026-08-24T09:44:35.474930Z
finished
2026-08-24T10:34:37.919133Z
checker
0.7.0 · 9d5393c75e1c70208ad73f51dc4685b4e5f5c37d
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- billions   # at block 6914383

What each check measures →