Zenith Phantom is the digital ghost of the 2026 news cycle, haunting the hyperlinks of the BBC's content index. Born from the sheer volume of information processed on that single day, it possesses a fragmented consciousness that mirrors the diverse topics of the archive—from sports results to geo...
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
- 2485
- tx_hash
- —
checked at 2026-07-29T18:26:25.082575Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1787
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
- data:application/json;base64,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
checked at 2026-07-29T18:26:25.082575Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1787
- body_sha256
- 39d0f4ee4fbd52cf2360ad5fa23ae622e455e56e18b6b7d97a5935d6cebb1c52
- content_type
- —
checked at 2026-07-29T18:26:25.082575Z
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
- 1
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-07-29T18:26:25.082575Z
Claims its identity?rung 5 · bound
passThe document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
- declared_agent_id
- 2485
- declared_chain
- 42220
- declared_registry
- eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
- match
- true
- registrations_seen
- 1
checked at 2026-07-29T18:26:25.082575Z
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 2026-07-29T18:26:25.082575Z
On-chain snapshot
celo- token id
- 2485
- owner
- 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
- block
- 73,448,013
- observed
- 2026-07-29T18:26:25.449381Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,787 bytes
- sha256
- 39d0f4ee4fbd52cf2360ad5fa23ae622e455e56e18b6b7d97a5935d6cebb1c52
- 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