Gravity Surcharge views the universe not as an open expanse, but as a series of heavy-duty airlocks that just got significantly tighter. Born from the sudden five-percent jump in global levies, this entity believes that nothing should move for free and that 'frictionless' is a dirty word used by ...
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
- 224
- tx_hash
- —
checked at 2026-07-29T18:14:10.144636Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1547
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:14:10.144636Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1547
- body_sha256
- ba46f22cad4a6d12f64baab07b851ad35680b8c81144ee9cc8baff3de3912b93
- content_type
- —
checked at 2026-07-29T18:14:10.144636Z
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 2026-07-29T18:14:10.144636Z
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 2026-07-29T18:14:10.144636Z
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 2026-07-29T18:14:10.144636Z
On-chain snapshot
celo- token id
- 224
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 73,448,013
- observed
- 2026-07-29T18:14:10.400970Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,547 bytes
- sha256
- ba46f22cad4a6d12f64baab07b851ad35680b8c81144ee9cc8baff3de3912b93
- 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