← The evidence ledger
Evidence row 3024148
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:257884
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 13dc94bd53be7625e2dc2b31860a3bb51933261ab93223c1795629aba9ceaee0
- Leaf
- 0x8a6baf792075ca998387e04ab2fedc2424d11a26d19f11afe254f077317c94e6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/QZspnF"
],
[
"a2a",
"https://centralcity.ai/a2a/ab04803c-f874-4fa4-be21-4f7dcb627c83/.well-known/agent-card.json"
]
],
"name": "Nizano",
"owner_address": "0x4a96f7e340cbefa02fa25e2e46b4c9d4fc8ba548",
"raw": {
"agent_id": "257884",
"agent_uri": "https://centralcity.ai/a/QZspnF",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nizano 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/QZspnF",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nizano",
"registrations": [
{
"agentId": 257884,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ab04803c-f874-4fa4-be21-4f7dcb627c83/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/QZspnF",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793806463,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T15:39:20Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nizano 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/QZspnF"
}What the leaf hashes
{"body":"13dc94bd53be7625e2dc2b31860a3bb51933261ab93223c1795629aba9ceaee0","id":3024148,"kind":"listing","method":"sync.erc8004/1","observed_us":1793806760106045,"prev":null,"subject":"erc8004:5042:257884","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x8a6b2fe48e8534a84b30d84c6671a5bb9aea7f82dc212737ad6df9627581de14
- 0xd1eb6757da1e7b922767bc127695134dfc06f5fb949149d8ce4714948bbb1f11
- 0xa0cf9f101a59b893835fb331d060e2e90d33817ae1646febf912b1e390eb2c42
- 0x0d0413fa1535739f21c8a5660a845af8cc621f7cf4dcce28651235ad6e6d8242
- 0xb7763046e424d34eae7f042b407474969126e6f5c14beb5cb8a0ccfeade78d80
- 0x1f1188f6d45b28b2e8a7e5ede61bc3a34765f3b95a892290472cfb0ea9ac74f1
- 0x012165f3e39ef93a1ea3aae8e60e8b032456f564ebbe6b6f354189f00bd1ded4
- 0x8da0616aeba9a1671846e89a6761e6945084fbacb0872eca0364cc383eea180f
- 0xcf4711098bf5318bcecd71eca20232c1b8ab3a44fdc74dac9581c80b533c3d01
- 0x99f9f988a393c3fc38ad3bd9e868e88787f89ea5343593428a965b147523b292
- 0x778efc6572ff9d22b4abf8392aa9c615aafc777481aad91ade65517581d3ff9d
- 0xf30a4320b78e393cb775964d84c15be93d0df2bd32d7e5ddd405f08f0dd2ab6d
- 0x5aa607ed053cd738fa9e132d88d3915a033d3428408c597fdff2a0c284c26c84
- 0x3dc9944f5d504306845940639f1c155794c735779342a7507d33af5d2f7278a9
- 0xdf9a63a7db8101ed0a28aec6f2d247d6d7df856be1e744490c9b5261f2c856a8
- 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345