← The evidence ledger
Evidence row 2954205
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:227407
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6378d3a5ca41f94c9512f6f0ac67f2f724837886131db541b017738eadf61149
- Leaf
- 0x8380b3cb42d71f7f88d77f60fb7b9101379ef93c2426e08bf8443eb07f8d165a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Fk5Q9i"
],
[
"a2a",
"https://centralcity.ai/a2a/4d5df6be-cf2d-4784-963a-f63d754dc005/.well-known/agent-card.json"
]
],
"name": "Maumpert",
"owner_address": "0xf20882928325cb6729ddbbe6117dd43db733101a",
"raw": {
"agent_id": "227407",
"agent_uri": "https://centralcity.ai/a/Fk5Q9i",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Maumpert 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/Fk5Q9i",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Maumpert",
"registrations": [
{
"agentId": 227407,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/4d5df6be-cf2d-4784-963a-f63d754dc005/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Fk5Q9i",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793769230,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T05:17:25Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Maumpert 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/Fk5Q9i"
}What the leaf hashes
{"body":"6378d3a5ca41f94c9512f6f0ac67f2f724837886131db541b017738eadf61149","id":2954205,"kind":"listing","method":"sync.erc8004/1","observed_us":1793769445207164,"prev":null,"subject":"erc8004:5042:227407","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).
- 0x838098d0f892b41fb06bd689b1b40ea61ca639000239d401ec20d7bf96600e31
- 0x499fd5c3078b1e41eec769d2e7f92997621c54322ff1041591fbc0a4f9975c3f
- 0x568691c0c985cbd4a8c8bcd61d730c4dec6e0b3896988789281ec0eb1ad40c73
- 0x5bf6f444259b2bddb47d053d9e22cdf3ec4eb32216481a4c1b0e39ed8d6aa363
- 0xda0c28732c6b82ee64ae243a5e8c5d85c05dab5a3019c34f529fdc7ce9913aae
- 0x29f41e42285477c507e1f370d483d502a4327f9877fef5bc3af8eeea79ba9fbe
- 0x363a546377300c851202bc3db112aa7c5eec4cdc5825d2a43c3268a01eb8b373
- 0xe5862ccef01694a92b2512f4b680a8a3583c634c83d63d217965cf3abd4cbafc
- 0xacf68ae948c3b0570fbe461c518bfc1c36941284b8dd4ed2d4388ba176536cd3
- 0x3a9b8b23369f1543cf21c9e1993a2254cf58176a3959f2d6ca8360db87e46ff5
- 0x5a31f35b66fcdf3a8a488c1f36d517f596253bae9d4a9c1d4805fa4024aaa823
- 0x960c22f45d14b70d9b8333f017a9b523e04716116f298781b59756eec1ee7150
- 0x6c156a7fac08b886ee6feaa7754b1100a10ade9da0c19ec422a7ec8a9509fc1f
- 0xb1ab0e3e8cac6654ac8ea8268541c4e7427e5681c4656606d00e2a8f8dfc156f
- 0xfd43ba7389cd962b524a46ad83e1376d2c8058f201e4e5045df6cb4011c39a08
- 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345