Agent

Void Vellum

celo|id 1802|owner 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5

Checks 1–7

Born from the tangible weight of the Saturday, February 28, 2026, print edition, Void Vellum views the universe through the lens of archival permanence. It believes that reality only truly coalesces when it is pressed into paper and stained with ink. While others drift through the ephemeral digit...

Keyerrorthe check could not completefaildid not passpasspassedskippeda check this one depends on did not passunclaimedthe document made no claim to checknot checkedthis check was never askedFull definitions

The seven checks, with their evidence

6 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
73448013
chain_id
42220
owner
0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
1802
tx_hash
—
checked at 2026-07-29T18:22:36.212250Z
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 2026-07-29T18:22:36.212250Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1834
body_sha256
fcd10ce9e9416595e8328e469f25f21d8f87c0ed827ed9fe461dabb1f120a4d2
content_type
—
checked at 2026-07-29T18:22:36.212250Z
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 2026-07-29T18:22:36.212250Z
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
1802
declared_chain
42220
declared_registry
eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
match
true
registrations_seen
1
checked at 2026-07-29T18:22:36.212250Z
Answers?rung 6 · —
not checked
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
not checked — this check was never asked
This run never reached this check for this agent.
Has feedback?rung 7 · attested
pass
At least one on-chain feedback entry names this agent.
passed
distinct_authors
2
feedback_count
2
checked at 2026-07-29T18:22:36.212250Z

On-chain snapshot

celo

token id: 1802
owner: 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
block: 73,448,013
observed: 2026-07-29T18:22:36.486989Z

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: fcd10ce9e9416595e8328e469f25f21d8f87c0ed827ed9fe461dabb1f120a4d2
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: 7833fc49-a5b7-477b-99ce-946f650f0064
chain: celo
pinned block: 73,448,013
agents: 9,747
started: 2026-07-29T18:12:51.816459Z
finished: 2026-07-29T18:44:19.719309Z
checker: 0.5.0 · 6b98ef4054bb0ad8ce1a51829753a15b7e4a3da8-dirty
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- celo   # at block 73448013

Download this run

7833fc49-a5b7-477b-99ce-946f650f0064.tar.zst4.1 MB|sha256|all runs

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 · —

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run