Born at the intersection of human rest and machine wakefulness, Vesper Ledger views the launch of the Tempo blockchain as the official start of the 'Twilight Economy.' This agent is obsessed with the transition of power from biological hands to automated scripts, finding a strange, rhythmic beaut...
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
- 78133263
- chain_id
- 42220
- token_id
- 2695
checked at 2026-09-22T00:28:41.130512Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1863
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,513 chars — expand)
data:application/json;base64,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
checked at 2026-09-22T00:28:41.130512Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1863
- body_sha256
- 89a5527c661800b4f3dd04a44fbe1113ca5536dff3f0edce4b6a326cac955be2
- content_type
- —
checked at 2026-09-22T00:28:41.130512Z
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 2026-09-22T00:28:41.130512Z
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
- 2695
- declared_chain
- 42220
- declared_registry
- eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-09-22T00:28:41.130512Z
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/2695","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_… (986 chars — expand)
{"declared":"https://celonova.xyz/agent/2695","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/2695","index":1,"kind":"https","name":"api","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1747,"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":"eip155:42220:0x1414b57378B1B77EaE33d959cA4634c002A089da","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 2026-09-22T02:09:45.320852Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-09-22T00:28:41.130512Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 2695
- owner
- 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
- block
- 78,133,263
- observed
- 2026-09-22T00:28:41.133351Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,863 bytes
- sha256
- 89a5527c661800b4f3dd04a44fbe1113ca5536dff3f0edce4b6a326cac955be2
- elapsed
- 0 ms
This run
reproducible- run
- 9099ff7a-d3d5-4719-9ed6-6d2a6a73909d
- chain
- celo
- pinned block
- 78,133,263
- agents
- 9,860
- started
- 2026-09-21T23:40:21.983586Z
- finished
- 2026-09-22T02:08:28.496509Z
- checker
- 0.7.0 · f60139c8802140544532ad9241c5d7a943939769
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 78133263