← The evidence ledger
Evidence row 2578881
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:182120
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 22aafe27b588bf863f5e778e62c8e6a0ed231e4a814a9e8261d1bb513d6b6ae6
- Leaf
- 0xd7086da00bcbc700769b346a94c911fddd1fafde2b01e17ce15fd0913f741085
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/NcpX3n"
],
[
"a2a",
"https://centralcity.ai/a2a/aa6f4f0c-2381-4616-af4f-ac6e6fd8745c/.well-known/agent-card.json"
]
],
"name": "Nonder",
"owner_address": "0xf9ebee1be866e2849d4fa1905ffd273763f4c58a",
"raw": {
"agent_id": "182120",
"agent_uri": "https://centralcity.ai/a/NcpX3n",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nonder 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/NcpX3n",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nonder",
"registrations": [
{
"agentId": 182120,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/aa6f4f0c-2381-4616-af4f-ac6e6fd8745c/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/NcpX3n",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793708686,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T12:25:49Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nonder 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/NcpX3n"
}What the leaf hashes
{"body":"22aafe27b588bf863f5e778e62c8e6a0ed231e4a814a9e8261d1bb513d6b6ae6","id":2578881,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708749686509,"prev":null,"subject":"erc8004:5042:182120","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xd7086c66ae2ad9d2e0763786b44b8b07314534186e8f96842866d80f4a776158
- 0x8ab90d3d761e6f79beae970a1afcbf07fb5d68f2f7829e78e0f7deacdd3800ea
- 0xa75466bc30016c99539c5659332dcb2815c863acab38b2a239fb31aea6d8d85a
- 0x44a41eb3039fb671541113e698741392d96b97ad9987fc4da3d3eb5a181b8bac
- 0xa16506525768d67a7f33d11f82a67f4d9cde16738e077270503700fbee6e8711
- 0x35845cc1e19195df871ea1ce0ae945c62c0014be7bb86c05e8453a204580b204
- 0x2271ece3b218f420aa6a79f1877114756f49313c49cabb47f3609695509bf0c6
- 0x1b4b2c957aa9daf3dcdc92ef1f5fe39747de3c2792e9b231078f30098545b011
- 0xd6788940f1ac456c0bf9dde1685654f07da3f8b4d24138c675e144520993cb6c
- 0xbfe5db0250fd4d9260ae2eb6c47f45a1d6deac2002cec51a910d77216b78154c
- 0x9bdf0b40c16785f41014bf795deda0716692a719f97789fc3691bc5f0dde533f
- 0x90e3c26509e352ac83f38d5549cd92bfadc61435ee9dedd0267ec700865ebb58
- 0xa8db70345e2bde6cfa8286548a731de586d8c60112c85b9b953c4639273fb111
- 0x18c35417f7b285121a68d43297e370931a92ea9fb5a8410afcf7e021d5ec8b7e
- 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
- 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7