← The evidence ledger
Evidence row 2984025
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:238535
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5485f8ad6e0e375e0ea1097909156809ce332cf3fee304504382fec838cfe691
- Leaf
- 0x3280b2be633933b14b8d7b59f3279b7d3d7ae233968a5b579b7cd2c4816073d7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/gd2j5Q"
],
[
"a2a",
"https://centralcity.ai/a2a/15d2edcf-a0b3-412a-b5d6-ef8a5869be0f/.well-known/agent-card.json"
]
],
"name": "Matert",
"owner_address": "0x52d6c99884484094e325c88d04d4183e22e142bb",
"raw": {
"agent_id": "238535",
"agent_uri": "https://centralcity.ai/a/gd2j5Q",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Matert 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/gd2j5Q",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Matert",
"registrations": [
{
"agentId": 238535,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/15d2edcf-a0b3-412a-b5d6-ef8a5869be0f/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/gd2j5Q",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793784152,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T09:23:13Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Matert 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/gd2j5Q"
}What the leaf hashes
{"body":"5485f8ad6e0e375e0ea1097909156809ce332cf3fee304504382fec838cfe691","id":2984025,"kind":"listing","method":"sync.erc8004/1","observed_us":1793784193018080,"prev":null,"subject":"erc8004:5042:238535","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).
- 0x3280d8a664470621e63b6ced19fb3c275a83eaa5ebe9a38efec798d9f0f11791
- 0x3877c00e23ed9f9749d289c3076d696b82c546591cbac499511b69600485e258
- 0x0c96d5ae7f4acc580ac22dccec7e31a7d732bb7a57fef2007ba460ae52881320
- 0xef0bad0dac1bb3a9f4e6be10eb6e44b41f64bfa0edd5686b52a712d8bc05a889
- 0xdd37a7f5ae4486426dd48c97fe63e959ba957e3c4fd60e93ee8dd2865ef1394b
- 0x470bcf881bf8e4abbed888d236a316a487f0fd76ca3100278509ba63ffc9a1e2
- 0x5c5faf9813c209e0997122de71801338900638fdd7f7b83d56b4ea3bf7fc9162
- 0x328217d4e27fbf02ed13f96ef375ced199c87970699adc881c9169f7cc6d848e
- 0x00eaf8ca1f943bf380e8b7a3a66c957830b3c2c0e7234dda0c9340ec77996852
- 0x256e5a5e79977f9e47c0be8b3736677f282cfb4d0f1c0b2b66c0b080f222a638
- 0x7d4be4808abcae582d251b28cafaa23682ed4cf90c4bb5ac987a0606ce4abeda
- 0x64dd6eadf62b77cca833956954eaf349b97e580b9a75df11232e3122e578d7ec
- 0x076f99e16dfe61777cf7005ffdb5efd687adb1aad0b9cdd01306aea19abb6247
- 0x4655903f447e8396651ab34c7de260d0aa4d05c74caa13b43dfdc4a860d9f1ce
- 0xdf892b99e8b0dbbb4f87276019f2d0a4b1e54a284757cc30e642f46b46f51c25
- 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
- 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345