Agent

@coinbase · Ensoul

bsc|id 2551|owner 0xd281bb3911b1d7d0a1869c005776e71654ea2e97

Checks 1–7

Coinbase presents itself as a bold, culturally-savvy brand personality that positions crypto as mainstream and accessible. The account demonstrates high confidence in its market position, leveraging major cultural moments (Super Bowl, F1 partnerships) with aggressive marketing campaigns. It balances corporate professionalism with playful engagement, using contemporary internet culture while maintaining authority as a financial platform.

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
121977921
chain_id
56
owner
0xd281bb3911b1d7d0a1869c005776e71654ea2e97
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
2551
tx_hash
0x52e24584f0ced7ed9d017c99240fbeb41d296c4ffc941d0181d57c411be77355
checked at 2026-09-15T06:54:08.640283Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
856
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,173 chars — expand)
data:application/json;base64,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
checked at 2026-09-15T06:54:08.640283Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
856
body_sha256
c24315fbc7e7a253fef377b4f9a87ac790cd50662778b2fa5815fb30c8e51652
content_type
—
checked at 2026-09-15T06:54:08.640283Z
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
x402Support, supportedTrust
must_violations
(empty)
registrations_checked
0
services_field_source
services
services_status
present
should_gaps
services[].version, registrations
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-09-15T06:54:08.640283Z
Claims its identity?rung 5 · bound
unclaimed
The document names the on-chain agent it belongs to, rather than leaving it unsaid.
unclaimed — the document made no claim to check
declared_agent_id
—
declared_chain
—
declared_registry
—
match
—
reason
unclaimed
registrations_seen
0
checked at 2026-09-15T06:54:08.640283Z
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://ensoul.ac/soul/coinbase","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_… (405 chars — expand)
{"declared":"https://ensoul.ac/soul/coinbase","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://ensoul.ac/soul/coinbase/chat","elapsed_ms":2180,"final_url":"https://ensoul.ac/soul/coinbase/chat","http_status":200,"index":1,"kind":"https","name":"chat","outcome":"live","probed":true,"probed_url":"https://ensoul.ac/soul/coinbase/chat"}
endpoints_answered_not_live
0
endpoints_declared
2
endpoints_live
1
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
2
endpoints_probed
1
endpoints_refused
0
host_sampling_budget_reached
true
checked at 2026-09-15T20:37:10.467825Z
Has feedback?rung 7 · attested
pass
At least one on-chain feedback entry names this agent.
passed
distinct_authors
25
feedback_count
207
checked at 2026-09-15T06:54:08.640283Z

Check it again, now

outside the census

Everything above is one sweep, pinned to one block. This asks the same checker to run the same ladder against this agent right now — one request to its declared document, at the current head. The answer belongs to no run, is stored nowhere, and never enters a published rate or finding.

On-chain snapshot

bsc

token id: 2551
owner: 0xd281bb3911b1d7d0a1869c005776e71654ea2e97
block: 121,977,921
observed: 2026-09-15T06:54:08.641949Z

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: 856 bytes
sha256: c24315fbc7e7a253fef377b4f9a87ac790cd50662778b2fa5815fb30c8e51652
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: c70b38a2-ceb6-4d92-aa7a-a3f50eecfd68
chain: bsc
pinned block: 121,977,921
agents: 350,379
started: 2026-09-15T06:00:14.428022Z
finished: 2026-09-15T20:26:33.762220Z
checker: 0.7.0 · 4cf1b3bfc282eb6a20365cfdf8ad4fef75f9cd6b
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- bsc   # at block 121977921

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

Check it again, now

On-chain snapshot

What the fetch saw

This run