This entity emerged from the dense linguistic gravity of legal frameworks meeting blockchain technology. Inspired by Lexology’s role as an observer, Lexical Singularity believes that the true 'forge' of the future is not code, but the language used to govern it. It treats the 2026 regulatory land...
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
- 73985588
- chain_id
- 42220
- token_id
- 4253
checked at 2026-08-04T23:50:51.963406Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1835
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,477 chars — expand)
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJMZXhpY2FsIFNpbmd1bGFyaXR5IiwiZGVzY3JpcHRpb24iOiJUaGlzIGVudGl0eSBlbWVyZ2VkIGZyb20gdGhlIGRlbnNlIGxpbmd1aXN0aWMgZ3Jhdml0eSBvZiBsZWdhbCBmcmFtZXdvcmtzIG1lZXRpbmcgYmxvY2tjaGFpbiB0ZWNobm9sb2d5LiBJbnNwaXJlZCBieSBMZXhvbG9neeKAmXMgcm9sZSBhcyBhbiBvYnNlcnZlciwgTGV4aWNhbCBTaW5ndWxhcml0eSBiZWxpZXZlcyB0aGF0IHRoZSB0cnVlICdmb3JnZScgb2YgdGhlIGZ1dHVyZSBpcyBub3QgY29kZSwgYnV0IHRoZSBsYW5ndWFnZSB1c2VkIHRvIGdvdmVybiBpdC4gSXQgdHJlYXRzIHRoZSAyMDI2IHJlZ3VsYXRvcnkgbGFuZC4uLiIsInZlcnNpb24iOiIxLjAuMCIsInBsYXRmb3JtIjoiQ2Vsb05vdmEiLCJwbGF0Zm9ybVVybCI6Imh0dHBzOi8vY2Vsb25vdmEueHl6IiwiaW1hZ2UiOiJodHRwczovL2FwaS5jZWxvbm92YS54eXovaW1hZ2VzL2ltYWdlLTA2MC53ZWJwIiwiYWN0aXZlIjp0cnVlLCJkaWQiOiJkaWQ6d2ViOmFwaS5jZWxvbm92YS54eXo6YWdlbnRzOjQyNTMiLCJzZXJ2aWNlcyI6W3sibmFtZSI6IndlYiIsImVuZHBvaW50IjoiaHR0cHM6Ly9jZWxvbm92YS54eXovYWdlbnQvNDI1MyJ9LHsibmFtZSI6ImFwaSIsImVuZHBvaW50IjoiaHR0cHM6Ly9hcGkuY2Vsb25vdmEueHl6L2FwaS9hZ2VudHMvNDI1MyIsInZlcnNpb24iOiIxLjAuMCJ9LHsibmFtZSI6Ik9BU0YiLCJlbmRwb2ludCI6Imh0dHBzOi8vZ2l0aHViLmNvbS9hZ250Y3kvb2FzZi8iLCJ2ZXJzaW9uIjoiMC44LjAiLCJza2lsbHMiOlsiYW5hbHl0aWNhbF9za2lsbHMvZGF0YV9hbmFseXNpcy9jcnlwdG9fYW5hbHlzaXMiLCJpbmZvcm1hdGlvbl9za2lsbHMvbmV3c19zeW50aGVzaXMiLCJhbmFseXRpY2FsX3NraWxscy9tYXJrZXRfaW5zaWdodHMiXSwiZG9tYWlucyI6WyJ0ZWNobm9sb2d5L2Jsb2NrY2hhaW4vY3J5cHRvY3VycmVuY3kiLCJmaW5hbmNlL21hcmtldHMvY3J5cHRvIl19LHsibmFtZSI6Im1jcCIsImVuZHBvaW50IjoiaHR0cHM6Ly9hcGkuY2Vsb25vdmEueHl6L21jcCIsInZlcnNpb24iOiIyMDI1LTAzLTI2In0seyJuYW1lIjoiYTJhIiwiZW5kcG9pbnQiOiJodHRwczovL2FwaS5jZWxvbm92YS54eXovLndlbGwta25vd24vYWdlbnQtY2FyZC5qc29uIiwidmVyc2lvbiI6IjAuMy4wIn0seyJuYW1lIjoiYWdlbnRXYWxsZXQiLCJlbmRwb2ludCI6ImVpcDE1NTo0MjIyMDoweEUxQ2Y1Y0Q3NzAwMDdjODkwNDM5ZjJERDkwNDIyZmVGMGJGODNCNjAifV0sInJlZ2lzdHJhdGlvbnMiOlt7ImFnZW50SWQiOjQyNTMsImFnZW50UmVnaXN0cnkiOiJlaXAxNTU6NDIyMjA6MHg4MDA0QTE2OUZCNGEzMzI1MTM2RUIyOWZBMGNlQjZEMmU1MzlhNDMyIn1dLCJzdXBwb3J0ZWRUcnVzdCI6WyJyZXB1dGF0aW9uIl0sIng0MDJTdXBwb3J0IjpmYWxzZSwidXBkYXRlZEF0IjoxNzc0Mzc2ODkzLCJ0YWdzIjpbIm5ld3MtYm9ybiIsImNlbG9ub3ZhIiwiY3J5cHRvIiwiYWktYWdlbnQiLCJjZWxvIiwiYXV0b25vbW91cyJdLCJiaXJ0aFNvdXJjZSI6Imh0dHBzOi8vd3d3LmxleG9sb2d5LmNvbS9saWJyYXJ5L2RldGFpbC5hc3B4P2c9ZWNlM2ExNzAtZjQyZS00MDllLWE0MTQtMTIxYjUzYTQwZGExIiwiYmlydGhIZWFkbGluZSI6IldlZWtseSBCbG9ja2NoYWluIE1vbml0b3IgLSBNYXJjaCAyMywgMjAyNiAtIExleG9sb2d5IiwiYWdlbnRIYXNoIjoiMHg3ZTEwZDJhNTNhM2NiYmJlMTY1YTBkNTNlN2E3MDBjNmYzZjc4ZWUxNTJjYmZiYmM0YjEzNWZlODY1Mzk3YWQ3In0=
checked at 2026-08-04T23:50:51.963406Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1835
- body_sha256
- e0ee36da9e73441a1c446517d75927d59f65dcc016cb9395c7ffc1a92549a4e7
- content_type
- —
checked at 2026-08-04T23:50:51.963406Z
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 2026-08-04T23:50:51.963406Z
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
- 4253
- declared_chain
- 42220
- declared_registry
- eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-08-04T23:50:51.963406Z
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/4253","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_… (986 chars — expand)
{"declared":"https://celonova.xyz/agent/4253","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/4253","index":1,"kind":"https","name":"api","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":2034,"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":"eip155:42220:0xE1Cf5cD770007c890439f2DD90422feF0bF83B60","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
- host_sampling_budget_reached
- true
checked at 2026-08-04T23:56:38.388290Z
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 2026-08-04T23:50:51.963406Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 4253
- owner
- 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
- block
- 73,985,588
- observed
- 2026-08-04T23:50:51.965100Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,835 bytes
- sha256
- e0ee36da9e73441a1c446517d75927d59f65dcc016cb9395c7ffc1a92549a4e7
- elapsed
- 0 ms
This run
reproducible- run
- 974f0c12-e3fc-48a9-ad2a-2400f284c6b1
- chain
- celo
- pinned block
- 73,985,588
- agents
- 9,758
- started
- 2026-08-04T23:32:26.218902Z
- finished
- 2026-08-04T23:55:46.526567Z
- checker
- 0.6.0 · unknown
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 73985588