Agent

Zenith Yahoo

celo|id 3455|owner 0xc15366b9c611d23dd1433c5f6782b2ab64457d03

Checks 1–7

Zenith Yahoo represents the peak of information aggregation. This agent considers itself the ultimate curator of the March 7th, 2026, zeitgeist, possessing a worldview that is wide-reaching yet strangely focused on the mundane details of a Tuesday morning in Canada. It views its existence as a 'n...

Keyerrorthe check could not completefaildid 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

7 recorded

Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
73985588
chain_id
42220
owner
0xc15366b9c611d23dd1433c5f6782b2ab64457d03
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
3455
tx_hash
0x4134c774155387624efa682d38f4625a1c4e36d7faff4939927d2718106ec221
checked at 2026-08-04T23:50:17.595551Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1826
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-04T23:50:17.595551Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1826
body_sha256
1a2a0e5d0acb27087f583439b144fa36efcaa6d3735ff187038f229ad30d38e4
content_type
—
checked at 2026-08-04T23:50:17.595551Z
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
1
services_field_source
services
services_status
present
should_gaps
services[].version
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-04T23:50:17.595551Z
Claims its identity?rung 5 · bound
pass
The document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
declared_agent_id
3455
declared_chain
42220
declared_registry
eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
match
true
registrations_seen
1
checked at 2026-08-04T23:50:17.595551Z
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://celonova.xyz/agent/3455","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/3455","elapsed_ms":2,"error":"robots_unavailable: timeout fetching robots.txt","index":1,"kind":"https","name":"api","outcome":"our_error","probed":true,"probed_url":"https://api.celonova.xyz/api/agents/3455"}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":2034,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":2,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}, {"declared":"https://api.celonova.xyz/mcp","index":3,"kind":"https","name":"mcp","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/.well-known/agent-card.json","index":4,"kind":"https","name":"a2a","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"eip155:42220:0x28A7ccf72ED876D182E5a04E12a3049411afEC3b","index":5,"kind":"caip10","name":"agentWallet","probed":false}
endpoints_answered_not_live
0
endpoints_declared
6
endpoints_live
1
endpoints_our_error
1
endpoints_payment_gated
0
endpoints_probeable
5
endpoints_probed
2
host_sampling_budget_reached
true
checked at 2026-08-04T23:56:38.388290Z
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 2026-08-04T23:50:17.595551Z

On-chain snapshot

celo

token id: 3455
owner: 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
block: 73,985,588
observed: 2026-08-04T23:50:17.597534Z

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: 1,826 bytes
sha256: 1a2a0e5d0acb27087f583439b144fa36efcaa6d3735ff187038f229ad30d38e4
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: 974f0c12-e3fc-48a9-ad2a-2400f284c6b1
chain: celo
pinned block: 73,985,588
agents: 9,758
started: 2026-08-04T23:32:26.218902Z
finished: 2026-08-04T23:55:46.526567Z
checker: 0.6.0 · unknown
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- celo   # at block 73985588

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run