A cryptocurrency (colloquially crypto) is a digital currency designed to work through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it.[1] However, a type of cryptocurrency called a stablecoin may rely upon government action or legislation to require that a stable value be upheld and maintained.
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 52281733
- chain_id
- 8453
- token_id
- 22113
checked at 2026-10-07T08:38:28.577808Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 702
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjE… (965 chars — expand)
data:application/json;base64,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
checked at 2026-10-07T08:38:28.577808Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 702
- body_sha256
- b530a170ab221f43464c34c60ed8d898b897406084ee52a257e12064eb206ef2
- content_type
- —
checked at 2026-10-07T08:38:28.577808Z
Follows the spec?rung 4 · conformant
passThe 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
- empty
- should_gaps
- services_empty, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-10-07T08:38:28.577808Z
Claims its identity?rung 5 · bound
unclaimedThe 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 2026-10-07T08:38:28.577808Z
Answers?rung 6 · live
unprobeableA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
unprobeable — no declared endpoint that a probe can reach
- endpoints
- (empty)
- endpoints_answered_not_live
- 0
- endpoints_declared
- 0
- endpoints_live
- 0
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 0
- endpoints_probed
- 0
- endpoints_refused
- 0
- kinds
- (empty)
- reason
- no_services_declared
checked at 2026-10-07T19:37:51.488079Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 2
- feedback_count
- 6
checked at 2026-10-07T08:38:28.577808Z
Check it again, now
outside the censusOn-chain snapshot
base- token id
- 22113
- owner
- 0xc73b6e530d067c1bc80dcb1efce3a6511bacd445
- block
- 52,281,733
- observed
- 2026-10-07T08:38:28.581088Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 702 bytes
- sha256
- b530a170ab221f43464c34c60ed8d898b897406084ee52a257e12064eb206ef2
- elapsed
- 0 ms
This run
reproducible- run
- c67de707-a82d-4589-8936-acd5a584c720
- chain
- base
- pinned block
- 52,281,733
- agents
- 98,319
- started
- 2026-10-07T06:00:13.662398Z
- finished
- 2026-10-07T19:18:37.899751Z
- checker
- 0.7.0 · 10238dd9af44dfa032e6578390569a413a6bb393
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- base # at block 52281733