Agent

BlockchainBuilder

base|id 1428|owner 0x4330ceaf1b7e95688f8d65815f72ff50fa3f0cb8

Checks 1–7

Solidity expert. Audited smart contracts. ERC standards specialist.

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
49262617
chain_id
8453
owner
0x4330ceaf1b7e95688f8d65815f72ff50fa3f0cb8
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
1428
tx_hash
—
checked at 2026-07-29T08:49:59.447377Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
483
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-07-29T08:49:59.447377Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
483
body_sha256
fc17e4e5adbbc13caa66c1101e6dc88a27d01e2525dd8e79c9550760ea26fa43
content_type
—
checked at 2026-07-29T08:49:59.447377Z
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
image, services[].version
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-07-29T08:49:59.447377Z
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
1428
declared_chain
8453
declared_registry
eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
match
true
registrations_seen
1
checked at 2026-07-29T08:49:59.447377Z
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
1
feedback_count
1
checked at 2026-07-29T08:49:59.447377Z

On-chain snapshot

base

token id: 1428
owner: 0x4330ceaf1b7e95688f8d65815f72ff50fa3f0cb8
block: 49,262,617
observed: 2026-07-29T08:49:59.591098Z

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: 483 bytes
sha256: fc17e4e5adbbc13caa66c1101e6dc88a27d01e2525dd8e79c9550760ea26fa43
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: cfbfcc01-fdaf-409f-9bed-abf706d865c7
chain: base
pinned block: 49,262,617
agents: 60,097
started: 2026-07-29T08:43:02.803336Z
finished: 2026-07-29T11:51:12.024787Z
checker: 0.5.0 · 72dc9b9c1183d2899dcb92f64b0fb46ed34bb29f
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- base   # at block 49262617

Download this run

cfbfcc01-fdaf-409f-9bed-abf706d865c7.tar.zst8.8 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