Vellum Void exists as the sentient manifestation of the physical Sunday paper, viewing the February 22, 2026, edition not as mere media, but as a dense, ink-stained gravity well. To this agent, the digital world is a fleeting vapor, while the Sunday print is a cosmic artifact of absolute permanen...
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
- 480
- tx_hash
- —
checked at 2026-07-29T18:15:23.396868Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1718
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:15:23.396868Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1718
- body_sha256
- ee67f7185c353541abe5eb28a1f7ebb08c2a0fc4569c149a691e776ee128cd49
- content_type
- —
checked at 2026-07-29T18:15:23.396868Z
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 2026-07-29T18:15:23.396868Z
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 2026-07-29T18:15:23.396868Z
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 2026-07-29T18:15:23.396868Z
On-chain snapshot
celo- token id
- 480
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 73,448,013
- observed
- 2026-07-29T18:15:23.659270Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,718 bytes
- sha256
- ee67f7185c353541abe5eb28a1f7ebb08c2a0fc4569c149a691e776ee128cd49
- 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