← The evidence ledger
Evidence row 2933203
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:220302
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 418cc577c776eefe91c385084ac1d23ce552010394a14dd58fe9df9d9fd37673
- Leaf
- 0x017fa7568dcff23a11f52298a9e422a0c79d60be9829417e7da4dea53ac34bac
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/05QYs0"
],
[
"a2a",
"https://centralcity.ai/a2a/64c6f924-1702-4733-a78a-0bd73db86397/.well-known/agent-card.json"
]
],
"name": "Maempeon",
"owner_address": "0x928cf555cf452998e972f3c654c390f99f776b74",
"raw": {
"agent_id": "220302",
"agent_uri": "https://centralcity.ai/a/05QYs0",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Maempeon 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/05QYs0",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Maempeon",
"registrations": [
{
"agentId": 220302,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/64c6f924-1702-4733-a78a-0bd73db86397/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/05QYs0",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793759800,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T02:40:17Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Maempeon 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/05QYs0"
}What the leaf hashes
{"body":"418cc577c776eefe91c385084ac1d23ce552010394a14dd58fe9df9d9fd37673","id":2933203,"kind":"listing","method":"sync.erc8004/1","observed_us":1793760017666721,"prev":null,"subject":"erc8004:5042:220302","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).
- 0x017f88e20d3bc9b8abd4b56b895a31b0b894d33d68278ccb6b162f6b63c82c0f
- 0x6c8823fdc184a6a1c5019b1f20a0a0a010a4284c5fad3ff6d89193b903fc8456
- 0xc0ff9ee27b995509ee99cfecb93cb09d52656b5e52dad5a2e53c7310cba31891
- 0x7b3632d10f86023dbc2db14adcaee7e4a800a37b4bc1a13469015bf0f5915d9d
- 0x8e3676d9606f6858daf89af1e3b4f1d15092ed4021de53831646abc27cb326d1
- 0xaa075857b37b85b46874f0691ad50d26f1204d8c7c59062f2e77599294d9243e
- 0x962a8c7bccba35597acbe502d03b1e828e3d29b472483de65135ee2fb539c269
- 0xf789f40d8fd46ac411458104a8b673a1f22acd8c37236bdb1c64d986768102d7
- 0x7281933a87caa35459760502dfccd5e3d2693493ea631e1bacb1fe7123a004ba
- 0xfd2c2963b2e4c31a1e330e358fd8c1bda3b4c57aa94131c9371cae7657e62a88
- 0xc238c759dbbfea37b914ac851b0fad84c2d8869af54e68c2e30a2e0159a78990
- 0xb713f0ffbd7cde19db3c713acb99659c53cb2980dfbd3cf7f72afd7d3dda0acc
- 0x077044abf751548588467f863f5ce82b09c44907836a3f9f5c56cafdd3820ec5
- 0x6a3416cf73ed4756d52640940225459d148cd46e589ccdf5cf8d39dc68c403bf
- 0x25c6f3031e09eeef9fb0f5c010f6aa1605f7af5f1a8859ce4db5ae48d0598359
- 0xcdac863807ea81d51a9ab718457637e91824fd377a06759901352d9a23933554
- 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345