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
- 16704
checked at 2026-10-07T07:34:28.449930Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 533
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjE… (741 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T07:34:28.449930Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 533
- body_sha256
- 3d5e939b82d5fb6805e5a5f7cc3c6f29a8e5bcb3e7301a2910e52a514e518a97
- content_type
- —
checked at 2026-10-07T07:34:28.449930Z
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 2026-10-07T07:34:28.449930Z
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
- 16704
- declared_chain
- 8453
- declared_registry
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-10-07T07:34:28.449930Z
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":320,"final_url":"https://doppel.fun/","http_status":429,"index":0,"kind":"… (219 chars — expand)
{"declared":"https://doppel.fun","elapsed_ms":320,"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 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 2
- feedback_count
- 10
checked at 2026-10-07T07:34:28.449930Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 16704
- owner
- 0xe7999e3c8328c12fac4efc9c2b8501d2a22202e6
- block
- 52,281,733
- observed
- 2026-10-07T07:34:28.453428Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 533 bytes
- sha256
- 3d5e939b82d5fb6805e5a5f7cc3c6f29a8e5bcb3e7301a2910e52a514e518a97
- 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