← The evidence ledger
Evidence row 3693113
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:378922
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d38d35b19e537676291f6a28d46a1b07d7a3f2851325f5ab38ccdf0e0eea8904
- Leaf
- 0xec91f88d2b5d595900cf90437ce15f261159b222db219b6a91244339615cf43f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/YQEULQ"
],
[
"a2a",
"https://centralcity.ai/a2a/539a4260-af61-4630-b1fd-fef987ad7edf/.well-known/agent-card.json"
]
],
"name": "Grostano",
"owner_address": "0xde2506043fccfe62c7310c749192800d4faea3a5",
"raw": {
"agent_id": "378922",
"agent_uri": "https://centralcity.ai/a/YQEULQ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grostano 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/YQEULQ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grostano",
"registrations": [
{
"agentId": 378922,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/539a4260-af61-4630-b1fd-fef987ad7edf/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/YQEULQ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793947370,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-06T06:43:38Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grostano 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/YQEULQ"
}What the leaf hashes
{"body":"d38d35b19e537676291f6a28d46a1b07d7a3f2851325f5ab38ccdf0e0eea8904","id":3693113,"kind":"listing","method":"sync.erc8004/1","observed_us":1793947418578477,"prev":null,"subject":"erc8004:5042:378922","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).
- 0xec91e7c34d8114c7eaa189e912a35cdc9ff4608408bd6259f6856bf519b881c3
- 0x8cbaca85b3dc44e42b110b82814e724f3be6865fc3c5882a30e30c87951631e7
- 0x871cf5eb83eb251bcbe45fa34dcdd97b4c92f998709a7225af46ae2b4ebff7d5
- 0xfc4fde968c5a462583bc51d49f8a871c281cd47d847e9f03f8c48974a61d2707
- 0x58efd1489629327269bf91b24ec75f790a19acde564c928330d642b1ce374aad
- 0x00c9bcd7231723dcb781895fc45470eade2ff53afc298ee1a4ae43ce037f21a7
- 0x8c1fd2d6c4f2c02ce35fe069178d4a90542d0d7b6c654a4f29d617fb6e5a1729
- 0x9976035adb9d9508b94ba018d5ff3fa475770a35e02e5b3fe8507c0a9afba888
- 0x681650b9ddb58bc4f099e2799a60b859a735b0612370a4f585801b5ae824554d
- 0x650ceacf5b0a3aacf0d861d44766f623fd29c27b8ac786bb69985f4f88b3376b
- 0x416f54d1f0fba45f4fd3ae738601bceb35c838116070eece4823d83caf4970fc
- 0x32999e9135403026b68b6885404cd0162e05bcd1f4cc3110c2c7928e7bed5d0e
- 0x1f30533ec602c6c2e0337c71c241c9200069ae4ab713013b433fbe336f2f423c
- 0xf0c5ed643551a46e0398fabe9b2a3859cac500bdf092518c6acdd82ca64ce794
- 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
- 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
- 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1