← The evidence ledger
Evidence row 1849354
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:40207
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ff5154698803b04f2f5c5b60880cf9f8a8c03ac13d0cdf62040bebb932d0cc4e
- Leaf
- 0x7e1e56983e76c29b7d0a06fa96894d0c2d770618f9137b3fc5d2cc563e500c6d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/5GZg0N"
],
[
"a2a",
"https://centralcity.ai/a2a/ee3a1477-6f8f-4637-a595-18af2e606f21/.well-known/agent-card.json"
]
],
"name": "Nifias",
"owner_address": "0xd71690b205bf4ac37eb12b92430ef725425acae5",
"raw": {
"agent_id": "40207",
"agent_uri": "https://centralcity.ai/a/5GZg0N",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nifias 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/5GZg0N",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nifias",
"registrations": [
{
"agentId": 40207,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ee3a1477-6f8f-4637-a595-18af2e606f21/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/5GZg0N",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793577371,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T00:00:51Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nifias 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/5GZg0N"
}What the leaf hashes
{"body":"ff5154698803b04f2f5c5b60880cf9f8a8c03ac13d0cdf62040bebb932d0cc4e","id":1849354,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577651637894,"prev":null,"subject":"erc8004:5042:40207","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x7e1ed5373a807b1c189f962433e3e2ca1997a83914caf826ba504554975a5b4d
- 0x80f45b4880b0b19b55084d4bc5f4c0287ad065d96333275cf9b13adfaf268a86
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- 0xfcfe3428e743def18c01c0e48f860b35f930bbac35c70eeb007a6e16ac714ac4
- 0xc9346dbac180bb79c7e630e36213f9f1dfb33f17b8a11a18761ba8da3e3a13a7
- 0x188ebcca9927d4e3b7de6e80d3b6175243958513d6849a871bfa14b7e2eff23b
- 0x886fccef0ea3130aeabcbe352e36c968d3aefb74dbcf04f68b895db4a3ffffaa
- 0xacde46c834eb370e41b365c6bf7454f475863a3117e833ac5aba144a82ce223c
- 0x0bd8f9133b0582ad302da91d90688db775b1dc08bcc1e55e865c67ec0923996a
- 0xa576ef2efeec96add91553ecf6bc761f50ef2a5b80f83e2ffc068d247c1557bd
- 0x4e807132404148b5023126074b59e6e80a7544aa514b52bb4db7038fc731fc10
- 0xab3bfc6956e0d2d9bda3875a9c1d784993791f3bdde29d6d08a3ba5bbe6e620c
- 0x8e66b29b3c90df538b0747f470a8bf19f7d97dcd0cb8f1d9345876a0f21cff35
- 0x3e60cda43ffc319c006284ca48609bc80da357b45fb9e0a57810e00816d3e8e0
- 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af