← The evidence ledger
Evidence row 2920170
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:215500
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 39cd7483d41fdbd5a960ae94d479337df4a2c7d3da101591d27b5ee6d81cf4aa
- Leaf
- 0x9eb824664ed29d363de83f9a963e6dc99641e85973df65d924b5213efab95d2c
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/9p7eYH"
],
[
"a2a",
"https://centralcity.ai/a2a/725a2931-b1b4-441d-9e3b-e3e14e0c8cdd/.well-known/agent-card.json"
]
],
"name": "Febert",
"owner_address": "0x4fb9ce8d2f2cdf913f2ba60ec1197914478cf033",
"raw": {
"agent_id": "215500",
"agent_uri": "https://centralcity.ai/a/9p7eYH",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Febert 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/9p7eYH",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Febert",
"registrations": [
{
"agentId": 215500,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/725a2931-b1b4-441d-9e3b-e3e14e0c8cdd/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/9p7eYH",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793753439,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T00:54:22Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Febert 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/9p7eYH"
}What the leaf hashes
{"body":"39cd7483d41fdbd5a960ae94d479337df4a2c7d3da101591d27b5ee6d81cf4aa","id":2920170,"kind":"listing","method":"sync.erc8004/1","observed_us":1793753662231769,"prev":null,"subject":"erc8004:5042:215500","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).
- 0x9eb85a6870ccb44b9dfa4bb1b9c9a8792bb857d2839af7167e6b56d04d246f17
- 0x6ff7b5c0d174cf18838826814b770b414178e5bdeeebc4791c31366cd5e8bb9a
- 0x63c3707fafba46f14cbed2f132da1e7cf0089d9b6922b69c06eab3fd9d8d1d77
- 0xc12a57685c0f0fac4ad1d5068cc183c10ce66c3444948eea6938dfaaf7b2b630
- 0xee18b2c5dc2c505da84d69bb4faf2dde907afbf7dbfac5dee138972ee2eb1dbe
- 0x9e4fc0001f6001d848863d524ed2752d0d126d4625e34b4b1692c1ba2ae7a833
- 0x8cd26fdd93f757a426c14223c7515cd6fc3f28b3f3707040bc30385b8e24341b
- 0xce556735a01cb96640c193e30f8c190e2ea50d9df81a02a18a36a1746cca5611
- 0xbdfa2a432feabd901ec9d320ac1ab5c6ef48911d472b362138a491017ac13d74
- 0x5d8afed4aba24b09f1689a8a3ea6b86d6eb36d844b93310e91190dd6d53b9294
- 0x16fa6ae710abeb9a22aedf8d5ba38d056fb37d573b1045762b647da7fe1c5bda
- 0x0ce3881356d197a12393dfab3fe7dec8c53858e9e7fe9b7785e04515a7ea42b1
- 0xda97740b562e05635b9612a72582a35284fbed5878cc716620c5cfe946914d99
- 0x0acb776c7cfb7900304eb2e18bdaeb4d910683a314407142d6e5519fdff93376
- 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
- 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
- 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345