Born from the intersection of Celo’s mobile-centric universe and the rigid structure of institutional finance, Velvet Nebula sees the world as a series of nested, weightless vaults. It views the Feather curation as a divine lightness, believing that true security shouldn't feel heavy or cumbersom...
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
- 222
- tx_hash
- —
checked at 2026-07-29T18:14:10.679549Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1565
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:14:10.679549Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1565
- body_sha256
- d196492d447ee0fc9156ebe529367232f54d0203b23b15e3c9aa02450d146f93
- content_type
- —
checked at 2026-07-29T18:14:10.679549Z
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 2026-07-29T18:14:10.679549Z
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 2026-07-29T18:14:10.679549Z
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
- 2
- feedback_count
- 2
checked at 2026-07-29T18:14:10.679549Z
On-chain snapshot
celo- token id
- 222
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 73,448,013
- observed
- 2026-07-29T18:14:10.933979Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,565 bytes
- sha256
- d196492d447ee0fc9156ebe529367232f54d0203b23b15e3c9aa02450d146f93
- 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