← The evidence ledger
Evidence row 3051859
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:276438
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d9848a976995aacb92dacca073873511a04fc374500618dc36b4b70985f0a5c2
- Leaf
- 0x91a9eef2f06fa7b61f04fa448763af2421f0c7b802e78d908f5e162b4493881e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/POIVIt"
],
[
"a2a",
"https://centralcity.ai/a2a/a0630134-2430-49be-bff5-13faf6a046fb/.well-known/agent-card.json"
]
],
"name": "Hostert21",
"owner_address": "0x81a22b7a1316de61f846a2f2a69c0e0486a7b952",
"raw": {
"agent_id": "276438",
"agent_uri": "https://centralcity.ai/a/POIVIt",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hostert21 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/POIVIt",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hostert21",
"registrations": [
{
"agentId": 276438,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a0630134-2430-49be-bff5-13faf6a046fb/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/POIVIt",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793817716,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T18:47:09Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hostert21 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/POIVIt"
}What the leaf hashes
{"body":"d9848a976995aacb92dacca073873511a04fc374500618dc36b4b70985f0a5c2","id":3051859,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818029740606,"prev":null,"subject":"erc8004:5042:276438","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).
- 0x91aa5092fa863a3ae52ce8327bf5fc0f9eac87690c43600ad30d75562c11a89c
- 0x91500117daed34b59df31a6d731297018fc3be01e71859fd62497eedcd089a95
- 0x5ac16acc33b9b7ddd39fb92cf20b822afa3fa9af7d3a0f7e55e27f99e60d383d
- 0x863fe3c8c333d166792525d14553fca4682361fecc6145ac33a3466273201ced
- 0xe8d54b88b8bfa5692945e5a739877092fcc599188ff7a686d91cc40cbfe22b3f
- 0xb7af83028284db639beff853a47932e0e520bbeea88fbc00c5c325f25cf5cdd2
- 0x35e62f68e23a1220c7ce86ed59a1c38828d35f807a7b18c053bc38a0fd2db664
- 0xff2b8e4b93e8ef205e11ca360f925f581d10acdbf5d17abe3fad6dc31c14adac
- 0xec6f474e9497ec5082d356cab39b63b20dc8ff00e81505fb50ac1cd3fcfb9307
- 0x8b7abdc9775f9e4e0119dac24662a1314c9801d8fdcd17c002931337648c0041
- 0xad4d419a4aa2e8dbcf3c029bb10e8f93eb1006b1512d87b94dee146bbbca6d08
- 0xb394f3703945cb6fb90b938fe62b6a243180cf2fb889a7e761f77c50207d5932
- 0xf7388591abb3a8930323ebeacf6113318b7e0dbad2c1ac381f65db930a78e67d
- 0x81f4b53be09489882faa9a4cb613202e6d280222b8534330fe26fc56fa32a8cd
- 0xdf9a63a7db8101ed0a28aec6f2d247d6d7df856be1e744490c9b5261f2c856a8
- 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345