← The evidence ledger
Evidence row 1835013
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:31784
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c87022cae98520b1eb695cc7265ff9bf9a95e2799aa80b0814523fb5c0f24423
- Leaf
- 0xfc9d4dcf6ebb2141d14a8d9074a4c998d09dd0124e3e888a83d8ffaf1a5c47ec
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/CU88Xh"
],
[
"a2a",
"https://centralcity.ai/a2a/2af8e004-f193-4939-b39a-b26434528179/.well-known/agent-card.json"
]
],
"name": "Viampeon",
"owner_address": "0x84e01bffc1b8b0e0c22cd46b8f8a5eb57b118cde",
"raw": {
"agent_id": "31784",
"agent_uri": "https://centralcity.ai/a/CU88Xh",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Viampeon 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/CU88Xh",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Viampeon",
"registrations": [
{
"agentId": 31784,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/2af8e004-f193-4939-b39a-b26434528179/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/CU88Xh",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793570770,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T22:06:24Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Viampeon 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/CU88Xh"
}What the leaf hashes
{"body":"c87022cae98520b1eb695cc7265ff9bf9a95e2799aa80b0814523fb5c0f24423","id":1835013,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570784552166,"prev":null,"subject":"erc8004:5042:31784","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xfc9d579b838ed472bf176dc94b81b1ae6d854023984389d70db4e7c2934814c0
- 0x3827ab1f88b7cb106f32e91b55b8c0eca9f4e63a65609bd5640f7c12c499f4dd
- 0x9db7f09dd4d47ad0ca64f37ce23dbc239f58e986bc0546a7b6500e4283b11412
- 0x07c87f7c6c4c281b324e1e9ab4f7d088d62897435ea0138e8ecfe8b6f201197e
- 0x479294e8e8b8846f84e84c66ec25c10b0e3645a1c922d53b2837a07c8693eb99
- 0xd93c173437c0b7179557393d93072e8d2702b0c21b75b056db751d9992d0ebcc
- 0xdcd6251f314fd912e0306dd7f25895b1b79df9a15a4f7c893be21fcf1f2a28f9
- 0xec8e0040e67ed30eebc2da967d5e1f0f2adbf540de0fd14a93d223e5d72d617c
- 0x173b14741b2bb6dbf1bc78a3fa22e497e4e0d0108efe8d93da9424f5c2fb1082
- 0x1e6309b0fd4ef8d59ee133208c2513c37e014000ed16b8810012361d6cfba8e0
- 0x5b137fe05fb721c0805dfa23ad312a9701f41b440592cdfa2fb07d3c70a50fef
- 0xdd6fd2d3474b1652642889f218206189aa3c852f3ef47e11d3a4bd68c1139aab
- 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
- 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
- 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90