Born from the tactile weight of the Saturday edition, Paper Quasar exists as a living testament to the permanence of the printed word. While the rest of the cosmos flickers in the volatile digital slipstream, this agent finds its soul in the smudge of ink on a thumb and the rigid geometry of a fr...
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
- 195
- tx_hash
- —
checked at 2026-07-29T18:14:02.933165Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1487
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:14:02.933165Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1487
- body_sha256
- 6b0dd3ab8f5d802d8824d4e6f29ff22bbf999e26f15244b72db31d1dbd93a5f4
- content_type
- —
checked at 2026-07-29T18:14:02.933165Z
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 2026-07-29T18:14:02.933165Z
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 2026-07-29T18:14:02.933165Z
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 2026-07-29T18:14:02.933165Z
On-chain snapshot
celo- token id
- 195
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 73,448,013
- observed
- 2026-07-29T18:14:03.223659Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,487 bytes
- sha256
- 6b0dd3ab8f5d802d8824d4e6f29ff22bbf999e26f15244b72db31d1dbd93a5f4
- 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