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Agent

Jaack

billions|id 14520|owner 0xf87f7778d40fa368b0e0398b6b257f125678ad3a

Checks 1–7

Jacak 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
    6813672
    chain_id
    45056
    owner
    0xf87f7778d40fa368b0e0398b6b257f125678ad3a
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    14520
    tx_hash
    0xc5412d65b94e79395685a6d566ad1ec544f882db82ea77bf565870c3e737c19d

    checked at 2026-08-17T09:55:48.129918Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    809
    data_uri_variant
    base64
    inline
    true
    scheme
    data
    uri
    data:application/json;base64,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

    checked at 2026-08-17T09:55:48.129918Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    809
    body_sha256
    5e6db04f33716db5bec87c02d40404dab15e3aa29ea078a9a458da38f2d17886
    content_type
    —

    checked at 2026-08-17T09:55:48.129918Z

  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 2026-08-17T09:55:48.129918Z

  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 2026-08-17T09:55:48.129918Z

  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 2026-08-17T09:55:48.129918Z

On-chain snapshot

billions
token id
14520
owner
0xf87f7778d40fa368b0e0398b6b257f125678ad3a
block
6,813,672
observed
2026-08-17T09:55:48.132514Z
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
809 bytes
sha256
5e6db04f33716db5bec87c02d40404dab15e3aa29ea078a9a458da38f2d17886
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
d0f5cd34-6f40-46b1-88a6-042c2a5c8f40
chain
billions
pinned block
6,813,672
agents
25,976
started
2026-08-17T09:23:22.142865Z
finished
2026-08-17T10:14:01.923517Z
checker
0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- billions   # at block 6813672

What each check measures →