← The evidence ledger
Evidence row 2987820
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:240119
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- dec4b38591f0401f25e48aa498581e0589442b35a663e1be747a3587fb9ad059
- Leaf
- 0x6868f576c986c63385a990d010bf28919553614f41fcaebb29d5b32d62fc2c5a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/YvrYzZ"
],
[
"a2a",
"https://centralcity.ai/a2a/86a36d89-85a0-4920-a778-3f2db62fcc85/.well-known/agent-card.json"
]
],
"name": "Fifa",
"owner_address": "0xca9b282b808545bb1b3d10e2f3efddfe5b90b139",
"raw": {
"agent_id": "240119",
"agent_uri": "https://centralcity.ai/a/YvrYzZ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Fifa 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/YvrYzZ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Fifa",
"registrations": [
{
"agentId": 240119,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/86a36d89-85a0-4920-a778-3f2db62fcc85/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/YvrYzZ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793786307,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T10:02:10Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Fifa 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/YvrYzZ"
}What the leaf hashes
{"body":"dec4b38591f0401f25e48aa498581e0589442b35a663e1be747a3587fb9ad059","id":2987820,"kind":"listing","method":"sync.erc8004/1","observed_us":1793786530027612,"prev":null,"subject":"erc8004:5042:240119","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).
- 0x68690cb22be5c06d8ead581de48a7951edef969bf6b0d9bf5492d0c9e02896cb
- 0xaec85d42268d9db9e83a4e2468bdba09bcf1855e3cabecbf86212af5d35f9bf6
- 0x8e4b7230ac40a251a2baabc42e76644351f382dd1aeaf3d9185afa73eb0cd7dc
- 0xfc4e44c3a720c8942a1d8e6652ca63be95256ce77e3f5579fefeddf61bac9af3
- 0x20fe4b5a0e6c4fa00e67b6a93c2f2c6dd641ea36f3ebcba36c582e012cc6db10
- 0x5c1ade8cef3c950a60dfd6cc47134961cb1a2c932222f0a7826945d9716e04f7
- 0xcad0b6422d4e182de259f43223e01e3ffe0ddf3d81e98bdf0d6eb9d4ab54425a
- 0x018479f08bf9b99281a14042e46b644b02e0aed27b5fd53da2ae3653ac96f43d
- 0xde9a61ec113b872d5b69f1876c6a92025ac1adf42f730ff016fab2fcb1dda072
- 0x26792d1c94b8ec41b46ef5ee84521e0698376d69e68f0a045bce39ce1003d0e4
- 0x3ed4c10afb5aa41a8c8e0c426fa14338e272ae1d023ae60f2d06cb373691aa71
- 0x1d4903962615c45580363ad6ffff9998a9f861296c07e9efa72d6a1bf2a835a8
- 0x216c4f7cb39735a92a679f53387ec2cc0b20dcad456dba44554a9756bca6b24b
- 0x3712db1cb5396683f3920f9feec808cf32004edf753d19ee1e3de6f3e846c055
- 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
- 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345