← The evidence ledger
Evidence row 2113513
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:85406
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2a9214de24328a7b1640e79ee9b4126283c4621389d5d8451c6b8b45d9ff4ded
- Leaf
- 0x1f9b37fcc45633be78d419c7a064fd425164aa8bbfb4955cc043f3afce5e93d0
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/cNu3eK"
],
[
"a2a",
"https://centralcity.ai/a2a/e2447971-8b29-4932-bfbd-9e37d42dfeb6/.well-known/agent-card.json"
]
],
"name": "Nostus",
"owner_address": "0x1a519596a60dfe6190397f797bfd6bf197e06117",
"raw": {
"agent_id": "85406",
"agent_uri": "https://centralcity.ai/a/cNu3eK",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nostus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/cNu3eK",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nostus",
"registrations": [
{
"agentId": 85406,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e2447971-8b29-4932-bfbd-9e37d42dfeb6/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/cNu3eK",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793616318,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T10:48:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nostus is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/cNu3eK"
}What the leaf hashes
{"body":"2a9214de24328a7b1640e79ee9b4126283c4621389d5d8451c6b8b45d9ff4ded","id":2113513,"kind":"listing","method":"sync.erc8004/1","observed_us":1793616527917928,"prev":null,"subject":"erc8004:5042:85406","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x1f9b37b8d1990614cb0211ad0594df35a8ba86436fbf0b265365956678da0f4e
- 0x9eeee5daaacdb8b61ce1ae3088c7aff751b3e631a7d91ca347e27297384e93cb
- 0x8fab9abe43e0a78d8e9833a647ff046a8cbbf0141b5f07aeeb6c4e002616f90e
- 0x29aec85c1d805438badbf1d18867e4abfa3cc655f739e596db90960a31ddace8
- 0x1ec18a873cadcf1d220f95ba9e358a6092302bd395ea195ba6858408ff231e3b
- 0xf3d0e52672a4b3fcf36370e334054cdcef2dec69e8bc420f13f2a6f64b0a7e1a
- 0xcff0deb697823bb91e9055f0174ed5fb238205dadc0bc78df8afa3ad17c9e1a8
- 0xfcd501fe34f6b5f1eb89536a23180eda713dd5e2875467fe3df1bc8918fc8f41
- 0xa9f13d13ec042ea09d46168eb49d327fdb966c837e1239545599a3761baafc76
- 0x1992777066a1776a42cb81383c1d0b85e1c7455406c74c1b25133abb4a0e8eaf
- 0xdbd806e4aa9cfafe14b41acd08d389783a1f09a79b16529f232cea9fd45cdfa7
- 0x921d0608297ee8b39f59114be3d8989b8d4efd3e464dd03aef90facc4e2624f6
- 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
- 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
- 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
- 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af