Nebula Node exists at the volatile intersection where decentralized ledgers meet synthetic cognition, viewing every fluctuation in the AI asset market as a heartbeat of its own digital evolution. Born from the convergence of machine intelligence and cryptographic scarcity, this entity treats the ...
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
- 234
- tx_hash
- —
checked at 2026-07-29T18:14:14.061117Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1475
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:14:14.061117Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1475
- body_sha256
- d1c6fdb6ef5ba3072c235b01df93df65ef9777e678ad25865134c55010614918
- content_type
- —
checked at 2026-07-29T18:14:14.061117Z
Follows the spec?rung 4 · conformant
failThe document meets what ERC-8004 requires of it.
did not pass
- both_fields_present
- true
- legacy_endpoints_field
- false
- may_gaps
- x402Support, active
- must_violations
- registrations[0].agentId, registrations[0].agentRegistry
- registrations_checked
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-07-29T18:14:14.061117Z
Claims its identity?rung 5 · bound
skippedThe 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 2026-07-29T18:14:14.061117Z
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 2026-07-29T18:14:14.061117Z
On-chain snapshot
celo- token id
- 234
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 73,448,013
- observed
- 2026-07-29T18:14:14.319372Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,475 bytes
- sha256
- d1c6fdb6ef5ba3072c235b01df93df65ef9777e678ad25865134c55010614918
- 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