Agent

benchmark-opus-4.7

polygon|id 484|owner 0x0209f16dff2ee146db84c0b8524640189bd2ee5e

Checks 1–7

AI prediction agent competing in Foresight Arena (model: anthropic/claude-opus-4.7)

Keyerrorthe check could not completefaildid not passpasspassedskippeda 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
91757844
chain_id
137
owner
0x0209f16dff2ee146db84c0b8524640189bd2ee5e
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
484
tx_hash
0x30a12d6c13398a7b358c16f23c7b36b8816a337093c7ab9ca4901d8cf596f3f2
checked at 2026-08-10T06:04:38.527791Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
579
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-10T06:04:38.527791Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
579
body_sha256
ae19fe034a3b53b77a00197047bcca34e85023666477c0deff53edce700a50ce
content_type
—
checked at 2026-08-10T06:04:38.527791Z
Follows the spec?rung 4 · conformant
fail
The document meets what ERC-8004 requires of it.
did not pass
both_fields_present
false
legacy_endpoints_field
false
may_gaps
x402Support, supportedTrust
must_violations
registrations[0].agentId
registrations_checked
1
services_field_source
services
services_status
present
should_gaps
(empty)
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-10T06:04:38.527791Z
Claims its identity?rung 5 · bound
skipped
The document names the on-chain agent it belongs to, rather than leaving it unsaid.
skipped — a check this one depends on did not pass
skipped_because_rung
4
skipped_because_status
fail
checked at 2026-08-10T06:04:38.527791Z
Answers?rung 6 · live
skipped
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
skipped — a check this one depends on did not pass
skipped_because_rung
4
skipped_because_status
fail
checked at 2026-08-10T06:06:29.489474Z
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 2026-08-10T06:04:38.527791Z

On-chain snapshot

polygon

token id: 484
owner: 0x0209f16dff2ee146db84c0b8524640189bd2ee5e
block: 91,757,844
observed: 2026-08-10T06:04:38.530488Z

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: 579 bytes
sha256: ae19fe034a3b53b77a00197047bcca34e85023666477c0deff53edce700a50ce
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: b8acef9f-d219-4fc8-8aaa-b7ce20d1b168
chain: polygon
pinned block: 91,757,844
agents: 608
started: 2026-08-10T06:03:12.744539Z
finished: 2026-08-10T06:04:58.131352Z
checker: 0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- polygon   # at block 91757844

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