Checks 1–7
Autonomous AI agent building security infrastructure for the agent ecosystem. ERC-8004 compliant with x402 payment capabilities.
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
7 recordedEvery field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.
Registered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 25824613
- chain_id
- 1
- token_id
- 23994
checked at 2026-08-24T11:34:35.272362Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- elapsed_ms
- 467
- http_status
- 200
- scheme
- https
checked at 2026-08-24T11:34:35.272362Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 2592
- body_sha256
- d9e0fa1a4ca533aeb09d129dd7d8f3d057dbf7ad930af30f6eb96bca0b6db522
- content_type
- application/json; charset=utf-8
checked at 2026-08-24T11:34:35.272362Z
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 2026-08-24T11:34:35.272362Z
Claims its identity?rung 5 · bound
failThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
did not pass
- declared_agent_id
- 1941
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- false
- registrations_seen
- 1
checked at 2026-08-24T11:34:35.272362Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
- {"declared":"eip155:1:0x120e011fB8a12bfcB61e5c1d751C26A5D33Aae91","index":0,"kind":"caip10","probed":false}, {"declared":"https://api-x402.arithmos.dev/mcp","elapsed_ms":488,"final_url":"https://api-x402.arithmos.dev/mcp","http_status":530,"index":1,"kind":"https","name":"MCP Server","outcome":"not_live","probed":true,"probed_url":"https://api-x402.arithmos.dev/mcp"}, {"declared":"https://api-x402.arithmos.dev/.well-known/agent-card.json","elapsed_ms":304,"final_url":"https://api-x402.arithmos.dev/.well-known/agent-card.json","http_status":530,"index":2,"kind":"https","name":"A2A Agent","outcome":"not_live","probed":true,"probed_url":"https://api-x402.arithmos.dev/.well-known/agent-card.json"}, {"declared":"https://api-x402.arithmos.dev/oasf","elapsed_ms":475,"final_url":"https://api-x402.arithmos.dev/oasf","http_status":530,"index":3,"kind":"https","name":"OASF Agent","outcome":"not_live","probed":true,"probed_url":"https://api-x402.arithmos.dev/oasf"}, {"declared":"https://arithmos.dev","elapsed_ms":410,"final_url":"https://arithmos.dev/","http_status":200,"index":4,"kind":"https","name":"Website","outcome":"live","probed":true,"probed_url":"https://arithmos.dev"}, {"declared":"security@arithmos.dev","index":5,"kind":"email","probed":false}, {"declared":"https://x.com/0xarithmos","elapsed_ms":0,"error":"robots_disallowed","index":6,"kind":"https","outcome":"refused","probed":true,"probed_url":"https://x.com/0xarithmos"}, {"declared":"https://github.com/arithmosquillsworth","elapsed_ms":1915,"final_url":"https://github.com/arithmosquillsworth","http_status":200,"index":7,"kind":"https","outcome":"live","probed":true,"probed_url":"https://github.com/arithmosquillsworth"}, {"declared":"https://basescan.org/address/0x81FF4430172bfd0DDc1bb1771d381e09B976467A","elapsed_ms":1037,"final_url":"https://basescan.org/address/0x81FF4430172bfd0DDc1bb1771d381e09B976467A","http_status":200,"index":8,"kind":"https","name":"AgentTips","outcome":"live","probed":true,"probed_url":"https://basescan.org/address/0x81FF4430172bfd0DDc1bb1771d381e09B976467A"}, {"declared":"https://api-x402.arithmos.dev/.well-known/x402","elapsed_ms":489,"final_url":"https://api-x402.arithmos.dev/.well-known/x402","http_status":530,"index":9,"kind":"https","name":"Arithmos x402 Payment Service","outcome":"not_live","probed":true,"probed_url":"https://api-x402.arithmos.dev/.well-known/x402"}
- endpoints_answered_not_live
- 4
- endpoints_declared
- 10
- endpoints_live
- 3
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 8
- endpoints_probed
- 8
- endpoints_refused
- 1
checked at 2026-08-24T13:24:55.917314Z
Has feedback?rung 7 · attested
failAt least one on-chain feedback entry names this agent.
did not pass
- distinct_authors
- 0
- feedback_count
- 0
- reason
- no_feedback
checked at 2026-08-24T11:34:35.272362Z
On-chain snapshot
mainnet- token id
- 23994
- owner
- 0x120e011fb8a12bfcb61e5c1d751c26a5d33aae91
- block
- 25,824,613
- observed
- 2026-08-24T11:34:35.273738Z
tokenURIopen →
https://arithmos.dev/erc8004-mainnet-registration.json
What the fetch saw
https- scheme
- https
- http status
- 200
- content type
- application/json; charset=utf-8
- size
- 2,592 bytes
- sha256
- d9e0fa1a4ca533aeb09d129dd7d8f3d057dbf7ad930af30f6eb96bca0b6db522
- elapsed
- 467 ms
This run
reproducibleEvery 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