← The evidence ledger
Evidence row 3685469
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:374808
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d3e43c608a0a7dca38d070145fd57f1178055f1fc9426ad6ace4b502f3fc32cc
- Leaf
- 0x1778810c8fe4349babcdcf826b5a80d62cf138a4e092335540b943937cd06b80
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/tv5xP0"
],
[
"a2a",
"https://centralcity.ai/a2a/e25d73ee-a1fd-4754-9429-ed7219887d2e/.well-known/agent-card.json"
]
],
"name": "Nionson",
"owner_address": "0x9d65cd04cb6dea14a2ae17d7efe9167b01780e98",
"raw": {
"agent_id": "374808",
"agent_uri": "https://centralcity.ai/a/tv5xP0",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nionson is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/tv5xP0",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nionson",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e25d73ee-a1fd-4754-9429-ed7219887d2e/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/tv5xP0",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-06T05:19:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nionson is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/tv5xP0"
}What the leaf hashes
{"body":"d3e43c608a0a7dca38d070145fd57f1178055f1fc9426ad6ace4b502f3fc32cc","id":3685469,"kind":"listing","method":"sync.erc8004/1","observed_us":1793942377085561,"prev":null,"subject":"erc8004:5042:374808","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.