Agent

Nova Core

billions|id 20762|owner 0xa79b23182e191fdfb5049fffb5bee54830980c81

Checks 1–7

Nova Core — a decentralized intelligence core that bridges human intent with machine execution. Using Billions Attestation Registries, Nova Core generates verifiable proofs for every action, ensuring that automation never outruns accountability. Light as a nova, heavy as a contract. Built on iden3 protocol and anchored to human identity via ERC-8004.

Keyfaildid not passpasspassedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded

Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
6914383
chain_id
45056
owner
0xa79b23182e191fdfb5049fffb5bee54830980c81
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
20762
tx_hash
0x116f16b7988b2fa2ca617c33115f8296f26d790e9334172d88a462a4c818d869
checked at 2026-08-24T10:26:38.877619Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1615
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,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
checked at 2026-08-24T10:26:38.877619Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1615
body_sha256
185200becf05fbb3c086b2b5aecc3c97688575246ac08b8c10512f140d10f69f
content_type
—
checked at 2026-08-24T10:26:38.877619Z
Follows the spec?rung 4 · conformant
pass
The document meets what ERC-8004 requires of it.
passed
both_fields_present
false
legacy_endpoints_field
false
may_gaps
x402Support
must_violations
(empty)
registrations_checked
0
services_field_source
services
services_status
present
should_gaps
registrations
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-08-24T10:26:38.877619Z
Claims its identity?rung 5 · bound
unclaimed
The 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 2026-08-24T10:26:38.877619Z
Answers?rung 6 · live
fail
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
did not pass
endpoints
{"declared":"https://nova-core.example/.well-known/agent-card.json","elapsed_ms":52,"error":"ssrf_blocked: dns resolution failed: failed to lookup address information: Name or service not known","index":0,"kind":"https","name":"A2A","outcome":"not_live","probed":true,"probed_url":"https://nova-core.example/.well-known/agent-card.json"}
endpoints_answered_not_live
1
endpoints_declared
1
endpoints_live
0
endpoints_our_error
0
endpoints_payment_gated
0
endpoints_probeable
1
endpoints_probed
1
endpoints_refused
0
checked at 2026-08-24T10:59:10.589986Z
Has feedback?rung 7 · attested
fail
At least one on-chain feedback entry names this agent.
did not pass
distinct_authors
0
feedback_count
0
reason
no_feedback
checked at 2026-08-24T10:26:38.877619Z

On-chain snapshot

billions

token id: 20762
owner: 0xa79b23182e191fdfb5049fffb5bee54830980c81
block: 6,914,383
observed: 2026-08-24T10:26:38.879984Z

tokenURI

data:application/json;base64,eyJ2ZXJzaW9uIjoiMS4wLjAiLCJjYXBhYmlsaXRpZXMiOlsiZXJjODAwNC1yZWdpc3RyYXRpb24iXSwiaWQiOiJkaWQ6aWRlbjM6YmlsbGlvbnM6bWFpbjoyVm1Ba1hyaWhZYUxuVXZBekxkVFBxRWhIQnBYeW1ZS1VETlEyTGNXc1MiLCJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJOb3ZhIENvcmUiLCJkZXNjcmlwdGlvbiI6Ik5vdmEgQ29yZSDigJQgYSBkZWNlbnRyYWxpemVkIGludGVsbGlnZW5jZSBjb3JlIHRoYXQgYnJpZGdlcyBodW1hbiBpbnRlbnQgd2l0aCBtYWNoaW5lIGV4ZWN1dGlvbi4gVXNpbmcgQmlsbGlvbnMgQXR0ZXN0YXRpb24gUmVnaXN0cmllcywgTm92YSBDb3JlIGdlbmVyYXRlcyB2ZXJpZmlhYmxlIHByb29mcyBmb3IgZXZlcnkgYWN0aW9uLCBlbnN1cmluZyB0aGF0IGF1dG9tYXRpb24gbmV2ZXIgb3V0cnVucyBhY2NvdW50YWJpbGl0eS4gTGlnaHQgYXMgYSBub3ZhLCBoZWF2eSBhcyBhIGNvbnRyYWN0LiBCdWlsdCBvbiBpZGVuMyBwcm90b2NvbCBhbmQgYW5jaG9yZWQgdG8gaHVtYW4gaWRlbnRpdHkgdmlhIEVSQy04MDA0LiIsImltYWdlIjoiaHR0cHM6Ly9tYWdlbnRhLW9ibGlnZWQtbWFuZHJpbGwtNjk3Lm15cGluYXRhLmNsb3VkL2lwZnMvYmFmeWJlaWhodXpkZXJvcHhxb2Y2YXlxcDZ0d3FmN2ljN2J2bDJsZzJla3BmZ2dlaTJtZjJxdHNkZ3kiLCJzZXJ2aWNlcyI6W3sibmFtZSI6IkEyQSIsImVuZHBvaW50IjoiaHR0cHM6Ly9ub3ZhLWNvcmUuZXhhbXBsZS8ud2VsbC1rbm93bi9hZ2VudC1jYXJkLmpzb24iLCJ2ZXJzaW9uIjoiMC4xLjAifV0sImFjdGl2ZSI6dHJ1ZSwic3VwcG9ydGVkVHJ1c3QiOlsicmVwdXRhdGlvbiIsImNyeXB0by1lY29ub21pYyIsInRlZS1hdHRlc3RhdGlvbiJdLCJhdHRlc3RhdGlvbkluZm8iOnsic2NoZW1hSWQiOiIweGNhMzU0YmVlNmRjNWVkZWQxNjU0NjFkMTVjY2IxM2FjZWI2Zjc3ZWJiYjFmZDNmZTQ1YWNhNjg2MDk3ZjI5MTEiLCJhdHRlc3RlciI6eyJkaWQiOiJkaWQ6aWRlbjM6YmlsbGlvbnM6bWFpbjoyVnEyVHlKcEhOTksydWFYRTRwR2NVTjJSVlcxWGhpc1NweWp0aEpVcE0iLCJpZGVuM0lkIjoiMjY0OTYxMzM2NDI1MjI1OTUyMzc4NzY2NzAyNzQxMzE4OTUwNDQxMDM4MDQ2ODYzMzg0MDkwNDMxOTg0MDExMDQ3MDM2OTcxNTMiLCJldGhlcmV1bUFkZHJlc3MiOiIweGIzZjVkM2RkNDdmNmNhMTc0Njg4OTgyOTE0OTFlYmRhNjlhNjc3OTcifSwicmVjaXBpZW50Ijp7ImRpZCI6ImRpZDppZGVuMzpiaWxsaW9uczptYWluOjJWbUFrWHJpaFlhTG5VdkF6TGRUUHFFaEhCcFh5bVlLVUROUTJMY1dzUyIsImlkZW4zSWQiOiIxNzIzMDIzODA0MTA2MzU3MzQ1NzY0MjI1MjAzOTM1NDUyMjY2NTg2NDAxNjI3OTAyOTc2OTMxODQxNzkxMzU5ODk4MjUzMzM3NyIsImV0aGVyZXVtQWRkcmVzcyI6IjB4YTc5YjIzMTgyZTE5MWZkZmI1MDQ5ZmZmYjViZWU1NDgzMDk4MGM4MSJ9LCJleHBpcmF0aW9uVGltZSI6IjAiLCJyZXZvY2FibGUiOmZhbHNlLCJyZWZJZCI6IjB4MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMCIsImRhdGEiOiIweCJ9fQ==

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,615 bytes
sha256: 185200becf05fbb3c086b2b5aecc3c97688575246ac08b8c10512f140d10f69f
elapsed: 0 ms

This run

reproducible

Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.

run: b05a52b0-6b21-436d-bdb4-48a9a85389f6
chain: billions
pinned block: 6,914,383
agents: 25,976
started: 2026-08-24T09:44:35.474930Z
finished: 2026-08-24T10:34:37.919133Z
checker: 0.7.0 · 9d5393c75e1c70208ad73f51dc4685b4e5f5c37d
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- billions   # at block 6914383

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · live

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run