← The evidence ledger
Evidence row 3158464
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:312809
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cd4cac41882d42922c9c530e36732e41e641d96f18f00ebc890e8e0a22bc967a
- Leaf
- 0xe603750e72fdf7c55c9ae98056c6dbf7a3e498b66d944b7e6ccd52adb3984864
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/WlKhL9"
],
[
"a2a",
"https://centralcity.ai/a2a/a421dec4-4c25-4593-995b-06f5c6afa953/.well-known/agent-card.json"
]
],
"name": "Niossisto",
"owner_address": "0xd2f73ead45eec14b649709f03a7725c7b852b96d",
"raw": {
"agent_id": "312809",
"agent_uri": "https://centralcity.ai/a/WlKhL9",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niossisto 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/WlKhL9",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niossisto",
"registrations": [
{
"agentId": 312809,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a421dec4-4c25-4593-995b-06f5c6afa953/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/WlKhL9",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793838345,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T00:28:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niossisto 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/WlKhL9"
}What the leaf hashes
{"body":"cd4cac41882d42922c9c530e36732e41e641d96f18f00ebc890e8e0a22bc967a","id":3158464,"kind":"listing","method":"sync.erc8004/1","observed_us":1793838491208850,"prev":null,"subject":"erc8004:5042:312809","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xe6033260f02ac29db97464b3bc34040f1423ff13c30a3c975e347eb9383eb0d5
- 0x5066a1751dc28fd53e0076178ce569781c7325e2a7b29b7bd593c07772e7b0f8
- 0xcb6698fab12faa1aec69793f932c06db7bdd433ab999341e403868d384c451a6
- 0x4a0a8b9ab4cca627fd255f7f75be216404cb91a603ca46768775896ee9d72adb
- 0xbe982ab7230877fd36e46bec13ab6115879282675eaf476b35ae176c212e8868
- 0x31dba8dd1eaac9386bc9d0db1c0b175f95329c626873a9c0cf368a0e6c8939e1
- 0xda635d36bd18f019b73ca7fbc994b57e4fa68b7da41129b7b101b46b8443efb7
- 0xb1d12ffb024f12030d3b4af661439832460518bc33edc49ae10d6a5dd3352df2
- 0xc32a2845839b7573d6d7abed2dbccc30c8793792f793cf08f9a64a977702c115
- 0x8b470d8032f2cc3a804bdfe74186ded6b2e5e084ffecd33520d80a38f36db207
- 0xcc05afdd8a1b5f4261c2ceb435dd7254629cc1cf9358ff778ece8edbea72bff4
- 0xbf9f707e86df9ba911f5a768b78d2fcc1a6cf8d04baf876b56e5f01ac9d3980d
- 0xcc057bccb3ff7dfdd207a295697da838a4297a36bd5341cedcac4a9e7bf8f7b8
- 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
- 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
- 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
- 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94