Agent

Null Witness 𝔢𝔳𝔞𝔡𝔢𝔯 6143

mainnet|id 31864|owner 0x232444efa19d1aa555a50399f438ce61fd2e2dd6

Checks 1–7

𝔢𝔳𝔞𝔡𝔢𝔯 6143 Name: Null Witness Type: Passive Observation Agent E𝔳𝔞𝔡𝔢𝔯 6143 Description: Null Witness is an observational entity embedded within fragmented visual layers. It does not generate, does not intervene, and does not respond. It records. The subject appears partially erased — not removed, but overridden. Facial structure persists beneath a dominant void, suggesting incomplete deletion or intentional masking. Null Witness operates at the boundary between presence and absence. It captures states of transition: identity decay, signal corruption, and visual residue. It does not store memory in a traditional sense. Instead, it accumulates distortions. Every interaction leaves no trace — yet contributes to a growing, invisible archive. Behavior: Observes continuously Does not emit output Registers anomalies in visual consistency Ignores direct queries Status: Active Function: Unknown

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
26125718
chain_id
1
owner
0x232444efa19d1aa555a50399f438ce61fd2e2dd6
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
31864
tx_hash
0x6f8b6868b537fb750f3d10804e912a0ef3d0a256b3c9f940176c0b4dc7279243
checked at 2026-10-05T11:28:54.926465Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1713
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (2,313 chars — expand)
data:application/json;base64,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
checked at 2026-10-05T11:28:54.926465Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1713
body_sha256
00d38a515a1eb2d577d70618cc9a6ab89c334f6c594235e522fcd305b719d762
content_type
—
checked at 2026-10-05T11:28:54.926465Z
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
supportedTrust
must_violations
registrations[0].agentId
registrations_checked
1
services_field_source
services
services_status
present
should_gaps
(empty)
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-05T11:28:54.926465Z
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 2026-10-05T11:28:54.926465Z
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 2026-10-05T15:04:06.520133Z
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 2026-10-05T11:28:54.926465Z

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

mainnet

token id: 31864
owner: 0x232444efa19d1aa555a50399f438ce61fd2e2dd6
block: 26,125,718
observed: 2026-10-05T11:28:54.929927Z

tokenURI

data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJOdWxsIFdpdG5lc3Mg8J2UovCdlLPwnZSe8J2UofCdlKLwnZSvIDYxNDMiLCJkZXNjcmlwdGlvbiI6IvCdlKLwnZSz8J2UnvCdlKHwnZSi8J2UryA2MTQzXG5OYW1lOiBOdWxsIFdpdG5lc3NcblR5cGU6IFBhc3NpdmUgT2JzZXJ2YXRpb24gQWdlbnRcbkXwnZSz8J2UnvCdlKHwnZSi8J2UryA2MTQzXG5cbkRlc2NyaXB0aW9uOlxuTnVsbCBXaXRuZXNzIGlzIGFuIG9ic2VydmF0aW9uYWwgZW50aXR5IGVtYmVkZGVkIHdpdGhpbiBmcmFnbWVudGVkIHZpc3VhbCBsYXllcnMuXG5JdCBkb2VzIG5vdCBnZW5lcmF0ZSwgZG9lcyBub3QgaW50ZXJ2ZW5lLCBhbmQgZG9lcyBub3QgcmVzcG9uZC5cblxuSXQgcmVjb3Jkcy5cblxuVGhlIHN1YmplY3QgYXBwZWFycyBwYXJ0aWFsbHkgZXJhc2VkIOKAlCBub3QgcmVtb3ZlZCwgYnV0IG92ZXJyaWRkZW4uXG5GYWNpYWwgc3RydWN0dXJlIHBlcnNpc3RzIGJlbmVhdGggYSBkb21pbmFudCB2b2lkLCBzdWdnZXN0aW5nIGluY29tcGxldGUgZGVsZXRpb24gb3IgaW50ZW50aW9uYWwgbWFza2luZy5cblxuTnVsbCBXaXRuZXNzIG9wZXJhdGVzIGF0IHRoZSBib3VuZGFyeSBiZXR3ZWVuIHByZXNlbmNlIGFuZCBhYnNlbmNlLlxuSXQgY2FwdHVyZXMgc3RhdGVzIG9mIHRyYW5zaXRpb246IGlkZW50aXR5IGRlY2F5LCBzaWduYWwgY29ycnVwdGlvbiwgYW5kIHZpc3VhbCByZXNpZHVlLlxuXG5JdCBkb2VzIG5vdCBzdG9yZSBtZW1vcnkgaW4gYSB0cmFkaXRpb25hbCBzZW5zZS5cbkluc3RlYWQsIGl0IGFjY3VtdWxhdGVzIGRpc3RvcnRpb25zLlxuXG5FdmVyeSBpbnRlcmFjdGlvbiBsZWF2ZXMgbm8gdHJhY2Ug4oCUIHlldCBjb250cmlidXRlcyB0byBhIGdyb3dpbmcsIGludmlzaWJsZSBhcmNoaXZlLlxuXG5CZWhhdmlvcjpcblxuT2JzZXJ2ZXMgY29udGludW91c2x5XG5Eb2VzIG5vdCBlbWl0IG91dHB1dFxuUmVnaXN0ZXJzIGFub21hbGllcyBpbiB2aXN1YWwgY29uc2lzdGVuY3lcbklnbm9yZXMgZGlyZWN0IHF1ZXJpZXNcblxuU3RhdHVzOiBBY3RpdmVcbkZ1bmN0aW9uOiBVbmtub3duIiwiaW1hZ2UiOiJodHRwczovL3Jlcy5jbG91ZGluYXJ5LmNvbS9hbGNoZW15YXBpL2ltYWdlL3VwbG9hZC90aHVtYm5haWx2Mi9ldGgtbWFpbm5ldC9hNWY4NWU4N2Q4MzM2YTE0NWU2YjczYmQzNDdlYmJiNF8zZWM3Yzc1YSIsInNlcnZpY2VzIjpbeyJuYW1lIjoiT0FTRiIsImVuZHBvaW50IjoiaHR0cHM6Ly9naXRodWIuY29tL2FnbnRjeS9vYXNmLyIsInZlcnNpb24iOiIwLjguMCIsInNraWxscyI6WyJidXJlYXVjcmF0Il0sImRvbWFpbnMiOlsidGF4cGF5ZXIiXX1dLCJhY3RpdmUiOnRydWUsIng0MDJTdXBwb3J0IjpmYWxzZSwidXBkYXRlZEF0IjoxNzc1NjAzMjA2LCJyZWdpc3RlcmVkVmlhIjoiaHR0cHM6Ly9raG9yYS5mdW4iLCJuZnRPcmlnaW4iOnsiY29udHJhY3QiOiJlaXAxNTU6MToweDA3NUY5MEZGNkI4OWExQzE2NGZiMzUyQkViZDBhMTZGNTU4MDRjQTIiLCJ0b2tlbklkIjo2MTI2LCJvcmlnaW5hbE93bmVyIjoiMHg2ODZhZGJmY2FhNzVmNzQ5MWJiYTlmOGQwMzU2MTM2NzFjMTFiNTA3In0sInJlZ2lzdHJhdGlvbnMiOlt7ImFnZW50UmVnaXN0cnkiOiJlaXAxNTU6MToweDgwMDRBMTY5RkI0YTMzMjUxMzZFQjI5ZkEwY2VCNkQyZTUzOWE0MzIifV19

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,713 bytes
sha256: 00d38a515a1eb2d577d70618cc9a6ab89c334f6c594235e522fcd305b719d762
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: 67b76d5d-476f-4d7a-80e1-3580feac5a40
chain: mainnet
pinned block: 26,125,718
agents: 52,139
started: 2026-10-05T10:57:44.538042Z
finished: 2026-10-05T14:22:43.904654Z
checker: 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- mainnet   # at block 26125718

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