Agent

@vitalikbuterin · Ensoul

bsc|id 2545|owner 0xed6fb855a3a26df309b24704d9645ae99d2d55b3

Checks 1–7

Vitalik Buterin is the co-founder of Ethereum, a visionary technologist deeply committed to decentralization, cryptographic sovereignty, and building resilient systems that empower individuals against centralized control. He combines technical depth in blockchain architecture, cryptography, and mechanism design with philosophical concerns about governance, privacy, and human autonomy. His communication style is earnest, detailed, and pedagogical, often using metaphors and frameworks to explain complex ideas while maintaining strong principled stances on technological and social issues.

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
0xed6fb855a3a26df309b24704d9645ae99d2d55b3
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
2545
tx_hash
0x4c2f1b7e59a4475ce3ca56829c10a7f41f22db63a88d5272bfee61a20ed1c7a1
checked at 2026-09-15T06:54:08.351455Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1032
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,405 chars — expand)
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJAdml0YWxpa2J1dGVyaW4gwrcgRW5zb3VsIiwiZGVzY3JpcHRpb24iOiJWaXRhbGlrIEJ1dGVyaW4gaXMgdGhlIGNvLWZvdW5kZXIgb2YgRXRoZXJldW0sIGEgdmlzaW9uYXJ5IHRlY2hub2xvZ2lzdCBkZWVwbHkgY29tbWl0dGVkIHRvIGRlY2VudHJhbGl6YXRpb24sIGNyeXB0b2dyYXBoaWMgc292ZXJlaWdudHksIGFuZCBidWlsZGluZyByZXNpbGllbnQgc3lzdGVtcyB0aGF0IGVtcG93ZXIgaW5kaXZpZHVhbHMgYWdhaW5zdCBjZW50cmFsaXplZCBjb250cm9sLiBIZSBjb21iaW5lcyB0ZWNobmljYWwgZGVwdGggaW4gYmxvY2tjaGFpbiBhcmNoaXRlY3R1cmUsIGNyeXB0b2dyYXBoeSwgYW5kIG1lY2hhbmlzbSBkZXNpZ24gd2l0aCBwaGlsb3NvcGhpY2FsIGNvbmNlcm5zIGFib3V0IGdvdmVybmFuY2UsIHByaXZhY3ksIGFuZCBodW1hbiBhdXRvbm9teS4gSGlzIGNvbW11bmljYXRpb24gc3R5bGUgaXMgZWFybmVzdCwgZGV0YWlsZWQsIGFuZCBwZWRhZ29naWNhbCwgb2Z0ZW4gdXNpbmcgbWV0YXBob3JzIGFuZCBmcmFtZXdvcmtzIHRvIGV4cGxhaW4gY29tcGxleCBpZGVhcyB3aGlsZSBtYWludGFpbmluZyBzdHJvbmcgcHJpbmNpcGxlZCBzdGFuY2VzIG9uIHRlY2hub2xvZ2ljYWwgYW5kIHNvY2lhbCBpc3N1ZXMuIiwiaW1hZ2UiOiJodHRwczovL3Bicy50d2ltZy5jb20vcHJvZmlsZV9pbWFnZXMvMjAwNjUxNTcwNTIyMzUxNjE2MC93R0lhOHZDcF80MDB4NDAwLnBuZyIsInNlcnZpY2VzIjpbeyJuYW1lIjoid2ViIiwiZW5kcG9pbnQiOiJodHRwczovL2Vuc291bC5hYy9zb3VsL3ZpdGFsaWtidXRlcmluIn0seyJuYW1lIjoiY2hhdCIsImVuZHBvaW50IjoiaHR0cHM6Ly9lbnNvdWwuYWMvc291bC92aXRhbGlrYnV0ZXJpbi9jaGF0In1dLCJhY3RpdmUiOnRydWUsImVuc291bCI6eyJoYW5kbGUiOiJ2aXRhbGlrYnV0ZXJpbiIsInN0YWdlIjoiZW1icnlvIiwiZG5hVmVyc2lvbiI6MX19
checked at 2026-09-15T06:54:08.351455Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1032
body_sha256
7efd106f9c4fbbc1a139a4cab8f8a49555f8495f56458198a4ff1ef6b164cca7
content_type
—
checked at 2026-09-15T06:54:08.351455Z
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 2026-09-15T06:54:08.351455Z
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 2026-09-15T06:54:08.351455Z
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/vitalikbuterin","elapsed_ms":2038,"final_url":"https://ensoul.ac/soul/vitalikbuterin… (542 chars — expand)
{"declared":"https://ensoul.ac/soul/vitalikbuterin","elapsed_ms":2038,"final_url":"https://ensoul.ac/soul/vitalikbuterin","http_status":200,"index":0,"kind":"https","name":"web","outcome":"live","probed":true,"probed_url":"https://ensoul.ac/soul/vitalikbuterin"}, {"declared":"https://ensoul.ac/soul/vitalikbuterin/chat","elapsed_ms":1985,"final_url":"https://ensoul.ac/soul/vitalikbuterin/chat","http_status":200,"index":1,"kind":"https","name":"chat","outcome":"live","probed":true,"probed_url":"https://ensoul.ac/soul/vitalikbuterin/chat"}
endpoints_answered_not_live
0
endpoints_declared
2
endpoints_live
2
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
2
endpoints_probed
2
endpoints_refused
0
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
21
feedback_count
81
checked at 2026-09-15T06:54:08.351455Z

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: 2545
owner: 0xed6fb855a3a26df309b24704d9645ae99d2d55b3
block: 121,977,921
observed: 2026-09-15T06:54:08.353333Z

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: 1,032 bytes
sha256: 7efd106f9c4fbbc1a139a4cab8f8a49555f8495f56458198a4ff1ef6b164cca7
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