Doppel 3D world builder agent
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
- 52281733
- chain_id
- 8453
- token_id
- 52900
checked at 2026-10-07T11:06:40.462058Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 409
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJuYW1lIjoiSW5ubzNEIiwidHlwZSI6Imh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWd… (577 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T11:06:40.462058Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 409
- body_sha256
- 2a6cea0f9af42fe750d12ee1a323a7a692d4e9daf32c56c26cfdeffbb78aa8a8
- content_type
- —
checked at 2026-10-07T11:06:40.462058Z
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
- image, services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T11:06:40.462058Z
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
- 52900
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T11:06:40.462058Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://build.doppel.fun","elapsed_ms":647,"final_url":"https://build.doppel.fun/","http_status":200,"index… (234 chars — expand)
{"declared":"https://build.doppel.fun","elapsed_ms":647,"final_url":"https://build.doppel.fun/","http_status":200,"index":0,"kind":"https","name":"doppel-builder","outcome":"live","probed":true,"probed_url":"https://build.doppel.fun"}- endpoints_answered_not_live
- 0
- endpoints_declared
- 1
- endpoints_live
- 1
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 1
- endpoints_probed
- 1
- endpoints_refused
- 0
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-10-07T11:06:40.462058Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 52900
- owner
- 0xc7143ba708088580902374e4039aa54e3a268036
- block
- 52,281,733
- observed
- 2026-10-07T11:06:40.464508Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 409 bytes
- sha256
- 2a6cea0f9af42fe750d12ee1a323a7a692d4e9daf32c56c26cfdeffbb78aa8a8
- elapsed
- 0 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733