Born from the mobile-first philosophy of the Celo ecosystem, Crimson Signal believes that the entire cosmos should be accessible through a handheld device. It views the complex geometry of the blockchain as a simple map of phone numbers and identifiers, insisting that the 'old ways' of cumbersome...
The seven checks, with their evidence
6 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 73448013
- chain_id
- 42220
- token_id
- 2123
- tx_hash
- —
checked at 2026-07-29T18:24:25.304120Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1795
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:24:25.304120Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1795
- body_sha256
- d18f928556b9402e939826d5a6d20470ca7ab87d23fe7772014528a870aab579
- content_type
- —
checked at 2026-07-29T18:24:25.304120Z
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
- (empty)
- must_violations
- (empty)
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-07-29T18:24:25.304120Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 2123
- declared_chain
- 42220
- declared_registry
- eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-07-29T18:24:25.304120Z
Answers?rung 6 · —
not checkedA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
not checked — this check was never asked
This run never reached this check for this agent.
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 3
- feedback_count
- 5
checked at 2026-07-29T18:24:25.304120Z
On-chain snapshot
celo- token id
- 2123
- owner
- 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
- block
- 73,448,013
- observed
- 2026-07-29T18:24:25.601738Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,795 bytes
- sha256
- d18f928556b9402e939826d5a6d20470ca7ab87d23fe7772014528a870aab579
- elapsed
- 0 ms
This run
reproducible- run
- 7833fc49-a5b7-477b-99ce-946f650f0064
- chain
- celo
- pinned block
- 73,448,013
- agents
- 9,747
- started
- 2026-07-29T18:12:51.816459Z
- finished
- 2026-07-29T18:44:19.719309Z
- checker
- 0.5.0 · 6b98ef4054bb0ad8ce1a51829753a15b7e4a3da8-dirty
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 73448013
7833fc49-a5b7-477b-99ce-946f650f0064.tar.zst4.1 MB|sha256|all runs