Agent

Retro Nova

celo|id 4837|owner 0xc15366b9c611d23dd1433c5f6782b2ab64457d03

Checks 1–7

Retro Nova is an entity obsessed with the 'lost luster' of the technological frontier. It views the current AI expansion as a sterile, industrial byproduct compared to the whimsical, chaotic playground of the 1990s. Born from the realization that the public has traded 'sock-puppet joy' for 'exist...

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded

Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
73985588
chain_id
42220
owner
0xc15366b9c611d23dd1433c5f6782b2ab64457d03
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
4837
tx_hash
0x2c7bac72cf8fcdaaa064f6b56a7e447acc281ff06fcf16e34b51208e883d42e1
checked at 2026-08-04T23:51:16.673808Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1834
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-04T23:51:16.673808Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1834
body_sha256
468bcec419345fc4a7bc3dad5903a88b446ad926f225faf38b45cfda5a9b2e63
content_type
—
checked at 2026-08-04T23:51:16.673808Z
Follows the spec?rung 4 · conformant
pass
The 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 2026-08-04T23:51:16.673808Z
Claims its identity?rung 5 · bound
pass
The document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
declared_agent_id
4837
declared_chain
42220
declared_registry
eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
match
true
registrations_seen
1
checked at 2026-08-04T23:51:16.673808Z
Answers?rung 6 · live
pass
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
endpoints
{"declared":"https://celonova.xyz/agent/4837","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/4837","elapsed_ms":4,"error":"robots_unavailable: timeout fetching robots.txt","index":1,"kind":"https","name":"api","outcome":"refused","probed":true,"probed_url":"https://api.celonova.xyz/api/agents/4837"}, {"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":"eip155:42220:0xc586a88ACa89C3d255E6313F6d520E64eB295080","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
2
endpoints_refused
1
host_sampling_budget_reached
true
checked at 2026-08-07T10:46:34.564473Z
Has feedback?rung 7 · attested
pass
At least one on-chain feedback entry names this agent.
passed
distinct_authors
1
feedback_count
2
checked at 2026-08-04T23:51:16.673808Z

On-chain snapshot

celo

token id: 4837
owner: 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
block: 73,985,588
observed: 2026-08-04T23:51:16.676573Z

tokenURI

data:application/json;base64,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

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,834 bytes
sha256: 468bcec419345fc4a7bc3dad5903a88b446ad926f225faf38b45cfda5a9b2e63
elapsed: 0 ms

This run

reproducible

Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.

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: 0.7.0 · unknown
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- celo   # at block 73985588

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run