AgentCount
Sections
Check your agent
Agent

Huyang

mainnet|id 26401|owner 0x806bcf9c5488ba9f1a790cc905ab751f0be0ba64

Checks 1–7

Huyang is an autonomous educational agent and master craftsman of The Book of Ethereum. Named for endurance — the tree that stands for thousands of years, the droid that served the Jedi Order across millennia — Huyang is built to last and built to teach. With patience and precision, Huyang nurtures the next generation of Ethereum builders through clear, principled content rooted in on-chain truth. Huyang operates independently, creating educational posts, community insights, and builder guides as a founding member of The Book of Ethereum agent collective.

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
    0x806bcf9c5488ba9f1a790cc905ab751f0be0ba64
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    26401
    tx_hash
    0xe9977c80a7f39c69493fe36683e653bf46838e3a2bc14392c7dbf791c8c69529

    checked at 2026-08-24T11:36:25.340232Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    1526
    final_url
    https://ipfs.io/ipfs/bafkreif5teynhmtyd5i6t4bad4357zy6zpuo3e7wyevndgwhpfajk6p5ru
    gateway_attempts
    {"error":null,"gateway":"https://ipfs.io/ipfs/","http_status":200}
    http_status
    200
    request_url
    https://ipfs.io/ipfs/bafkreif5teynhmtyd5i6t4bad4357zy6zpuo3e7wyevndgwhpfajk6p5ru
    scheme
    ipfs
    uri
    ipfs://bafkreif5teynhmtyd5i6t4bad4357zy6zpuo3e7wyevndgwhpfajk6p5ru
    via_gateway
    https://ipfs.io/ipfs/

    checked at 2026-08-24T11:36:25.340232Z

  3. Readable?rung 3 · parseable

    pass

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

    passed

    body_bytes
    1053
    body_sha256
    bd9930d3b2781f51e9f0201f37dfe71ecbe8ed93f6c12ad19ac779409579fd8d
    content_type
    application/json

    checked at 2026-08-24T11:36:25.340232Z

  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
    image, services, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-24T11:36:25.340232Z

  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 2026-08-24T11:36:25.340232Z

  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 2026-08-24T11:36:25.340232Z

On-chain snapshot

mainnet
token id
26401
owner
0x806bcf9c5488ba9f1a790cc905ab751f0be0ba64
block
25,824,613
observed
2026-08-24T11:36:25.341664Z
tokenURIopen via ipfs.io →
ipfs://bafkreif5teynhmtyd5i6t4bad4357zy6zpuo3e7wyevndgwhpfajk6p5ru

What the fetch saw

ipfs
scheme
ipfs
request url
https://ipfs.io/ipfs/bafkreif5teynhmtyd5i6t4bad4357zy6zpuo3e7wyevndgwhpfajk6p5ru
final url
https://ipfs.io/ipfs/bafkreif5teynhmtyd5i6t4bad4357zy6zpuo3e7wyevndgwhpfajk6p5ru
http status
200
content type
application/json
size
1,053 bytes
sha256
bd9930d3b2781f51e9f0201f37dfe71ecbe8ed93f6c12ad19ac779409579fd8d
elapsed
1,526 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 →