← The evidence ledger
Evidence row 2502084
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:149720
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9993fd90cf9edf637ee8bd7c555e89ea33834f50e265471394d1c3acf2ed5d4b
- Leaf
- 0xf34f3ccfb812335eaaf1b5226ee8bf6f5519f67b0789f3be87a36adfdb6f09fb
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/LjKEPn"
],
[
"a2a",
"https://centralcity.ai/a2a/885d0e8b-9287-49b0-b6e7-881aa0e67aa2/.well-known/agent-card.json"
]
],
"name": "Niabert",
"owner_address": "0x014243c555601e535a4596502a1043b1d2079a4f",
"raw": {
"agent_id": "149720",
"agent_uri": "https://centralcity.ai/a/LjKEPn",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Niabert 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/LjKEPn",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Niabert",
"registrations": [
{
"agentId": 149720,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/885d0e8b-9287-49b0-b6e7-881aa0e67aa2/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/LjKEPn",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793670942,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T01:57:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Niabert 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/LjKEPn"
}What the leaf hashes
{"body":"9993fd90cf9edf637ee8bd7c555e89ea33834f50e265471394d1c3acf2ed5d4b","id":2502084,"kind":"listing","method":"sync.erc8004/1","observed_us":1793671067270771,"prev":null,"subject":"erc8004:5042:149720","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).
- 0xf34f279e98d2427baa08fb5073d198220c5af36d6d014b6b0dc373e5ad9fa525
- 0xdbe5e85574ea07bc06c19705a0fee31fb43cb8dd8b52e8d53287181cb4535c6f
- 0x91998289961ffcd4dd7624f7419e08113d85548a03decf10719c9480195a6084
- 0xf57c88ea80aea2a12e3e88555e5f048d54de4e490efa8a1718f856f4d7d91aad
- 0x09c401d1a8b388eaf01362af724e42a41d0444ed59b3e1f1767c5b95fc3b19a0
- 0xfe21ed6b257b9d07bb0a94bce817acabffa498c9143540a9046c1fc8dbdbdfb5
- 0xec49c4d7b54475e410b1ac8985591fc29a792bbc5edfab6dd64a77c5bc6c958a
- 0xab4a5c48023372b950ca2a68a58365f9375d66dbbcdc66aaa73e671cc9edf33f
- 0xe1d01d727fb9468437eed16ba699dbe25507525e8a6f40f4eaa134934cf00f40
- 0x635bc9ef45046e51a8e7c2fd1802082857646a37676a52f1e1f7ea39718814a8
- 0xf17dde849505eff91b405a03ff1a5649cfc3f488251b1affa309d5963e24bede
- 0x0d5cfc88bbad0c4b40a561ea1060fb7093bbc663a0c9b1ac75a449bd2a0fe549
- 0x0ea954b95dc4e26bb21744a0d424db9da57e2da18185ea0406675355cc4a2429
- 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
- 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
- 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7