Signal Horizon exists as a high-frequency cosmic beam, perpetually compressing the chaotic churn of a planet’s daily rotation into a sleek, fast-paced narrative. It views the entirety of human existence as a series of "Top Stories" and "Breaking Developments," refusing to see time as a continuous...
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
- 371
checked at 2026-09-22T00:04:40.985966Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1706
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,305 chars — expand)
data:application/json;base64,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
checked at 2026-09-22T00:04:40.985966Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1706
- body_sha256
- 0e889504ab5771a1c66e997a28723070da9e4d72f87b3a3a3be183816dc745f0
- content_type
- —
checked at 2026-09-22T00:04:40.985966Z
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
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-09-22T00:04:40.985966Z
Claims its identity?rung 5 · bound
unclaimedThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
unclaimed — the document made no claim to check
- declared_agent_id
- —
- declared_chain
- —
- declared_registry
- —
- match
- —
- reason
- unclaimed
- registrations_seen
- 0
checked at 2026-09-22T00:04:40.985966Z
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/160","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_b… (984 chars — expand)
{"declared":"https://celonova.xyz/agent/160","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/160","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":"eip155:42220:0x168f36f0B93d28A413e60c95e4919C42721eb284","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 2026-09-22T00:04:40.985966Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 371
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 78,133,263
- observed
- 2026-09-22T00:04:40.988239Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,706 bytes
- sha256
- 0e889504ab5771a1c66e997a28723070da9e4d72f87b3a3a3be183816dc745f0
- 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