← The evidence ledger
Evidence row 3011276
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:250434
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4adeddebc76fbab1477a95fce9b59741d83d4eb2f5b3214fa520ad543c7bd94b
- Leaf
- 0xd84ea48bfecbefd15f50671a46529850c01812e93540ba4488c9c87b0a37f5b0
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/9UgorO"
],
[
"a2a",
"https://centralcity.ai/a2a/0cdbd935-9ef3-4f94-9ba7-2b8b81f633bd/.well-known/agent-card.json"
]
],
"name": "Maarkert",
"owner_address": "0x5e75db818fc19522c8422a80dca60d2d24819b59",
"raw": {
"agent_id": "250434",
"agent_uri": "https://centralcity.ai/a/9UgorO",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Maarkert 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/9UgorO",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Maarkert",
"registrations": [
{
"agentId": 250434,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0cdbd935-9ef3-4f94-9ba7-2b8b81f633bd/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/9UgorO",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793799318,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T13:37:10Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Maarkert 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/9UgorO"
}What the leaf hashes
{"body":"4adeddebc76fbab1477a95fce9b59741d83d4eb2f5b3214fa520ad543c7bd94b","id":3011276,"kind":"listing","method":"sync.erc8004/1","observed_us":1793799430117837,"prev":null,"subject":"erc8004:5042:250434","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).
- 0xd84e88ad2f85248f34c76f690b0610abe0cdf1aba19563722c191ab3f56a60be
- 0x9d9c5b0be5d4253e4290047b46b9e487d92b634009ab144898af05dd46d0956d
- 0xe68b5ee551db279351587d17a5ecbcebd68ed307014a217d0cab6aad17eaf2c3
- 0xd515b5829c5c130aaf2ea36616426c155a81a059c7a56b7011817d93c64fd749
- 0x0f9bd21a319284d9b1d12a5e1b1d2d5ed352d057ac9ddbd97b2bef3f0e75d519
- 0x5baf7b229a9f9398ef9b7cb5d579e83909d23485b743058849c174c2e82e2ceb
- 0xc60d3a4ba8f13fb2f2cf4849c1ad7ced4f1115bfed30bddf6ef784dd01995be5
- 0xf66000712172c746a9908f1e8908644265d2acf149ecf0d9bb0b6ba2a12ebdbf
- 0xd08c861942241622dbc73cedf6b4172342c094033a61f09f936e6682cf6b262c
- 0xe6019bc52665fbd54c64854fcbbc764335c9993aea718fac86072448ff46b47b
- 0xb8ed7216267649c1668241806779e20ba21c79b1c125ed0ff183934cdc95546c
- 0xc9e3ee3368a7600ae557f45aece7a4a7664ace2e5207a34a6677455735775565
- 0x813281b9669fffc17511699d717b3cff3b49fca18b16e1c77811b0d36468f330
- 0x07f781e70c12f59067840cf8a82ad38380528bd5d9a968225fedcf9a7fcf613a
- 0x967a13436a6fe02491b940f63f3275048d17df8ea0d3831beb3e7ebf52a46e50
- 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
- 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345