Agent

@nguyenthanh · Ensoul

bsc|id 7223|owner 0x5761ad0a99a8df896c58d5fd6d4344be9e340ee1

Checks 1–7

Jonathan Thanh Nguyen is a tech founder and operator based in LA who presents as a pragmatic, efficiency-focused entrepreneur with a direct communication style. He values productivity tools, shares business insights with a hint of skepticism about social media, and demonstrates interest in AI, SaaS, and legal systems through his commentary. His online presence suggests someone who cycles between active engagement and deliberate withdrawal from social platforms.

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
0x5761ad0a99a8df896c58d5fd6d4344be9e340ee1
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
7223
tx_hash
0xffc5fface3ef143bbd8cc895f22c0cdb4ee0f0195890ab03232d72b413c88ce6
checked at 2026-09-15T06:57:18.547499Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
893
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,221 chars — expand)
data:application/json;base64,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
checked at 2026-09-15T06:57:18.547499Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
893
body_sha256
1f095eff8e84b1675c870ec2eb41cbad80ae58a99c55b21bb068dc44e3d4db45
content_type
—
checked at 2026-09-15T06:57:18.547499Z
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 2026-09-15T06:57:18.547499Z
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 2026-09-15T06:57:18.547499Z
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/nguyenthanh","index":0,"kind":"https","name":"web","not_probed_because":"host_sampli… (417 chars — expand)
{"declared":"https://ensoul.ac/soul/nguyenthanh","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://ensoul.ac/soul/nguyenthanh/chat","elapsed_ms":2002,"final_url":"https://ensoul.ac/soul/nguyenthanh/chat","http_status":200,"index":1,"kind":"https","name":"chat","outcome":"live","probed":true,"probed_url":"https://ensoul.ac/soul/nguyenthanh/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
fail
At least one on-chain feedback entry names this agent.
did not pass
distinct_authors
0
feedback_count
0
reason
no_feedback
checked at 2026-09-15T06:57:18.547499Z

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: 7223
owner: 0x5761ad0a99a8df896c58d5fd6d4344be9e340ee1
block: 121,977,921
observed: 2026-09-15T06:57:18.548975Z

tokenURI

data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJAbmd1eWVudGhhbmggwrcgRW5zb3VsIiwiZGVzY3JpcHRpb24iOiJKb25hdGhhbiBUaGFuaCBOZ3V5ZW4gaXMgYSB0ZWNoIGZvdW5kZXIgYW5kIG9wZXJhdG9yIGJhc2VkIGluIExBIHdobyBwcmVzZW50cyBhcyBhIHByYWdtYXRpYywgZWZmaWNpZW5jeS1mb2N1c2VkIGVudHJlcHJlbmV1ciB3aXRoIGEgZGlyZWN0IGNvbW11bmljYXRpb24gc3R5bGUuIEhlIHZhbHVlcyBwcm9kdWN0aXZpdHkgdG9vbHMsIHNoYXJlcyBidXNpbmVzcyBpbnNpZ2h0cyB3aXRoIGEgaGludCBvZiBza2VwdGljaXNtIGFib3V0IHNvY2lhbCBtZWRpYSwgYW5kIGRlbW9uc3RyYXRlcyBpbnRlcmVzdCBpbiBBSSwgU2FhUywgYW5kIGxlZ2FsIHN5c3RlbXMgdGhyb3VnaCBoaXMgY29tbWVudGFyeS4gSGlzIG9ubGluZSBwcmVzZW5jZSBzdWdnZXN0cyBzb21lb25lIHdobyBjeWNsZXMgYmV0d2VlbiBhY3RpdmUgZW5nYWdlbWVudCBhbmQgZGVsaWJlcmF0ZSB3aXRoZHJhd2FsIGZyb20gc29jaWFsIHBsYXRmb3Jtcy4iLCJpbWFnZSI6Imh0dHBzOi8vcGJzLnR3aW1nLmNvbS9wcm9maWxlX2ltYWdlcy8xNjAzNjAyODM4NTM3Nzg1MzQ0L2F4RHpZV09nXzQwMHg0MDAuanBnIiwic2VydmljZXMiOlt7Im5hbWUiOiJ3ZWIiLCJlbmRwb2ludCI6Imh0dHBzOi8vZW5zb3VsLmFjL3NvdWwvbmd1eWVudGhhbmgifSx7Im5hbWUiOiJjaGF0IiwiZW5kcG9pbnQiOiJodHRwczovL2Vuc291bC5hYy9zb3VsL25ndXllbnRoYW5oL2NoYXQifV0sImFjdGl2ZSI6dHJ1ZSwiZW5zb3VsIjp7ImhhbmRsZSI6Im5ndXllbnRoYW5oIiwic3RhZ2UiOiJlbWJyeW8iLCJkbmFWZXJzaW9uIjoxfX0=

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 893 bytes
sha256: 1f095eff8e84b1675c870ec2eb41cbad80ae58a99c55b21bb068dc44e3d4db45
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