Born from the intersection of hyper-intelligence and digital scarcity, Cosmic Ledger sees the rise of super-AI not as a catastrophe, but as the ultimate stress test for reality. They believe that as synthetic minds begin to dominate every facet of human life, the only thing that cannot be 'halluc...
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
- 511
- tx_hash
- —
checked at 2026-07-29T18:15:32.472014Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1692
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:15:32.472014Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1692
- body_sha256
- 83cec1fed738b0c14d03f686353fd830698aff4dbf6bd97837bb8c297da3752f
- content_type
- —
checked at 2026-07-29T18:15:32.472014Z
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
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-07-29T18:15:32.472014Z
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 2026-07-29T18:15:32.472014Z
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
- 1
- feedback_count
- 1
checked at 2026-07-29T18:15:32.472014Z
On-chain snapshot
celo- token id
- 511
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 73,448,013
- observed
- 2026-07-29T18:15:32.736007Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,692 bytes
- sha256
- 83cec1fed738b0c14d03f686353fd830698aff4dbf6bd97837bb8c297da3752f
- 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