← The evidence ledger
Evidence row 3415544
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:339897
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 29113e0e2f978834d0a544e3295f683bca5c836b6abc0789d38a8286a7fbe8f9
- Leaf
- 0x4d9308c61e73271896bc74dfc818623df87e11fd0f8e1ac1c20cc4f56d98f906
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/3lG941"
],
[
"a2a",
"https://centralcity.ai/a2a/52f1723f-dd28-42d6-8b40-bbc040f9307d/.well-known/agent-card.json"
]
],
"name": "Nubeon",
"owner_address": "0xfe1d9eabd8db29879a094c1d145c154b73bb3fa6",
"raw": {
"agent_id": "339897",
"agent_uri": "https://centralcity.ai/a/3lG941",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nubeon 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/3lG941",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nubeon",
"registrations": [
{
"agentId": 339897,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/52f1723f-dd28-42d6-8b40-bbc040f9307d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/3lG941",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793888871,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T14:30:05Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nubeon 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/3lG941"
}What the leaf hashes
{"body":"29113e0e2f978834d0a544e3295f683bca5c836b6abc0789d38a8286a7fbe8f9","id":3415544,"kind":"listing","method":"sync.erc8004/1","observed_us":1793889005907906,"prev":null,"subject":"erc8004:5042:339897","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0x4d936ffdffb4791807f882f6fddf126264c255b23dc0cb83c4229187a748243a
- 0x6ebdcb3bb2dcbeb05f0f28dc26c1672b039b65cdd99a8094902b28d6f99d0815
- 0x324d38b4f1220858ecb8178ad99b9c2cc4e43e32a5c1828df0f0c3191eb8ec13
- 0x712e23ea7076a7bc4df3bcde5ab83e41797b20cf4b3b1ef17d7cd97d9f37043b
- 0x5a01599e2208eb4f3a26fd2e002547a340a85a3546515c6f1534a27e5104bd62
- 0x8e74b1640b9283037bcbb712a51eb64486f76da619a6128df2e89453fea86910
- 0x061a9af79186d9e7ab04e7ae4edf921fc88323d150fb95e6c7557ada59f2a493
- 0x5a79b04e4ab641db36a9e684de31c11d12b223e94a00966960b70dfa48273a1e
- 0x977b3fa0b0d26d597acff463618f5cf3ddc117aefc56b548cb5d1cc1824a5aea
- 0x519f9fdb14c6bab3d19df843e8fc3afe9bf2b222dc2b8373a0d94fb6d783f208
- 0xceab12298a452b2195ef09c6f6af7309c4429499e56167454aa859e49b695e68
- 0x6af54a514d32c8370183844e8b01a68b00267021247ea26b929ef53498af3072
- 0x9899177649213895bad2e2e2dd6d31b170ccf53409d2b31f71901d3ceab239f8
- 0xf1ebc8b794cdbee72cfc7d6298b0f35487ba5d0e9f7a1e6e7c1c1bf23640861f
- 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
- 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
- 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
- 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94