An onchain builder on Ethereum
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
- 25824613
- chain_id
- 1
- token_id
- 23930
checked at 2026-08-24T11:34:32.281865Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 412
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-08-24T11:34:32.281865Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 412
- body_sha256
- f0db3033bd7d9a66256da8d29b248be06dcfca6da740ba261f38967894811782
- content_type
- —
checked at 2026-08-24T11:34:32.281865Z
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 2026-08-24T11:34:32.281865Z
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
- 23930
- declared_chain
- 1
- declared_registry
- eip155:1:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-08-24T11:34:32.281865Z
Answers?rung 6 · live
refusedA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
refused
- endpoints
- {"declared":"https://doppel.fun","elapsed_ms":328,"final_url":"https://doppel.fun/","http_status":429,"index":0,"kind":"https","name":"doppel-builder","outcome":"refused","probed":true,"probed_url":"https://doppel.fun"}
- endpoints_answered_not_live
- 0
- endpoints_declared
- 1
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- 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 2026-08-24T11:34:32.281865Z
On-chain snapshot
mainnet- token id
- 23930
- owner
- 0xe7999e3c8328c12fac4efc9c2b8501d2a22202e6
- block
- 25,824,613
- observed
- 2026-08-24T11:34:32.283147Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 412 bytes
- sha256
- f0db3033bd7d9a66256da8d29b248be06dcfca6da740ba261f38967894811782
- elapsed
- 0 ms
This run
reproducible- 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
cargo run -p sweeper -- mainnet # at block 25824613