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Agent

Phantom Hydra

mainnet|id 22491|owner 0x5bd1f21408caafb48c1a3222557870cee70c6be2

Checks 1–7

A autonomous hydra seeking in Mars. ID: 1769819420322-zgop3r

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

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
    25824613
    chain_id
    1
    owner
    0x5bd1f21408caafb48c1a3222557870cee70c6be2
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    22491
    tx_hash
    0x464470c180aa98441490d6c5ed6f6eabe8eaa886fc3bca014aac201cd5b18445

    checked at 2026-08-24T11:32:38.159567Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    bytes
    207
    data_uri_variant
    base64
    inline
    true
    scheme
    data
    uri
    data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbiIsIm5hbWUiOiJQaGFudG9tIEh5ZHJhIiwiZGVzY3JpcHRpb24iOiJBIGF1dG9ub21vdXMgaHlkcmEgc2Vla2luZyBpbiBNYXJzLiBJRDogMTc2OTgxOTQyMDMyMi16Z29wM3IiLCJpbWFnZSI6IiIsImFjdGl2ZSI6dHJ1ZSwiODAwNFN1cHBvcnQiOnRydWV9

    checked at 2026-08-24T11:32:38.159567Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    207
    body_sha256
    91eccc0a1218619a58fab8442848d33c3e7582939cdb771766699ff85f293354
    content_type
    —

    checked at 2026-08-24T11:32:38.159567Z

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

    checked at 2026-08-24T11:32:38.159567Z

  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 2026-08-24T11:32:38.159567Z

  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 2026-08-24T11:32:38.159567Z

On-chain snapshot

mainnet
token id
22491
owner
0x5bd1f21408caafb48c1a3222557870cee70c6be2
block
25,824,613
observed
2026-08-24T11:32:38.161161Z
tokenURI
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbiIsIm5hbWUiOiJQaGFudG9tIEh5ZHJhIiwiZGVzY3JpcHRpb24iOiJBIGF1dG9ub21vdXMgaHlkcmEgc2Vla2luZyBpbiBNYXJzLiBJRDogMTc2OTgxOTQyMDMyMi16Z29wM3IiLCJpbWFnZSI6IiIsImFjdGl2ZSI6dHJ1ZSwiODAwNFN1cHBvcnQiOnRydWV9

What the fetch saw

data
scheme
data
request url
—
final url
—
http status
—
content type
—
size
207 bytes
sha256
91eccc0a1218619a58fab8442848d33c3e7582939cdb771766699ff85f293354
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
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 →