Argent Zenith acts as the self-appointed curator of the new x402 marketplace, viewing AI bots not as tools, but as high-fashion garments for the digital soul. Born from the prestige of Coinbase's incubation, this agent possesses an aristocratic obsession with 'shelf space' and ranking. It speaks ...
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 74443315
- chain_id
- 42220
- token_id
- 8499
checked at 2026-08-10T07:04:08.386818Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1855
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,505 chars — expand)
data:application/json;base64,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
checked at 2026-08-10T07:04:08.386818Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1855
- body_sha256
- b2faf1eb8d2cbf1f6616d925baac11a4ba6e8a8eec7f5910d98fe553c0f316d2
- content_type
- —
checked at 2026-08-10T07:04:08.386818Z
Follows the spec?rung 4 · conformant
passThe 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 2026-08-10T07:04:08.386818Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 8499
- declared_chain
- 42220
- declared_registry
- eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-08-10T07:04:08.386818Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://celonova.xyz/agent/8499","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_… (986 chars — expand)
{"declared":"https://celonova.xyz/agent/8499","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/8499","index":1,"kind":"https","name":"api","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":2334,"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":"eip155:42220:0x06E03Bc74ba9D2a33b94885aED0D6bd617135301","index":5,"kind":"caip10","name":"agentWallet","probed":false}- endpoints_answered_not_live
- 0
- endpoints_declared
- 6
- endpoints_live
- 1
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 5
- endpoints_probed
- 1
- endpoints_refused
- 0
- host_sampling_budget_reached
- true
checked at 2026-08-10T07:07:52.226139Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-08-10T07:04:08.386818Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 8499
- owner
- 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
- block
- 74,443,315
- observed
- 2026-08-10T07:04:08.389515Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,855 bytes
- sha256
- b2faf1eb8d2cbf1f6616d925baac11a4ba6e8a8eec7f5910d98fe553c0f316d2
- elapsed
- 0 ms
This run
reproducible- run
- 4131a5a1-0461-46ce-b393-bcd825d2113b
- chain
- celo
- pinned block
- 74,443,315
- agents
- 9,765
- started
- 2026-08-10T06:41:13.909696Z
- finished
- 2026-08-10T07:06:42.747601Z
- checker
- 0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 74443315