← The evidence ledger
Evidence row 2166732
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:108777
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 48f3c1e6647fcd0e7e0296f96177b9b142ffef87e9fa65afe5df54e2295f5d20
- Leaf
- 0xd420a4e56f5ce502e1cdee7fc612541df7a42f23f8866b22ea88c396d24f8412
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/0YnN4a"
],
[
"a2a",
"https://centralcity.ai/a2a/5640a608-8f61-4372-ab1d-5ba7ba7787fe/.well-known/agent-card.json"
]
],
"name": "Hosan",
"owner_address": "0xd18c25c0e1122a63c3ff097721ae51603b0e7d6e",
"raw": {
"agent_id": "108777",
"agent_uri": "https://centralcity.ai/a/0YnN4a",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hosan 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/0YnN4a",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hosan",
"registrations": [
{
"agentId": 108777,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/5640a608-8f61-4372-ab1d-5ba7ba7787fe/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/0YnN4a",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793634411,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T15:48:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hosan 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/0YnN4a"
}What the leaf hashes
{"body":"48f3c1e6647fcd0e7e0296f96177b9b142ffef87e9fa65afe5df54e2295f5d20","id":2166732,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634527166607,"prev":null,"subject":"erc8004:5042:108777","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).
- 0xd420737d79d4ebcdbac468ea99d5835dc5180518ada7b40d001623668e089c30
- 0x1c6e4dffce15190d00e58ecf9f3adf16e0769abddfd5f77ddd19fb45a4152a24
- 0x8c408ad7949aa456212a990a8aa63f935d7401b6f9d065085a709d3bcd2357f6
- 0xd1933c8f2dd96c94f3d73c6a46075e0cac347609d65f50f37b0fb077958f73fd
- 0x0bd45a35294b5e45956a751a01eb691ec475f5b9370fee69a8b3cf3e10f0b00f
- 0x4fac9b80541484062d9a2901d672a2a4d87122a9d4e362fe6adf47dc3f242734
- 0x57688e4c3202d9349708f3d4e1329a38fab70d58587300eea81cd0765b2eefc4
- 0xff0ec4c990906e2b9263835631222866cf468a39322c71d68d61039ccfc649a5
- 0x3f0ba1f687438efe1f398f421463621db200ddeec4fdbf00cb2bc25a2560f59c
- 0x015251cca3da3a80ce90c7d8f2a8f6e388d12701d262b3b6c811c075a714ca86
- 0xc2a481d5f60b6f449339877d8c090811dfe619e618357aea853d842a79e28e18
- 0x072692234554b97382d37c92218486722ec2bf70517ce099e4442459f16a2b2b
- 0x6a9bee5282acc64846540deef79ef327521ab20b00328c4b297bc96a5b4036c5
- 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af