← The evidence ledger
Evidence row 3342941
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:314545
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 40b78c13690d70405730ce3f174063eb80621924599f857ae0ab0ba53438637d
- Leaf
- 0x4ca3d57bc58920981361ac1ee276d7aad318bfe65d2597b9bd6e78e353647c41
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/lZUEps"
],
[
"a2a",
"https://centralcity.ai/a2a/93c8d8e0-3469-43b1-bcf6-477e3d2b1fbc/.well-known/agent-card.json"
]
],
"name": "Grasus",
"owner_address": "0xb94c6b8f81a0829c413fb58d71e7e0b96ac1cf3b",
"raw": {
"agent_id": "314545",
"agent_uri": "https://centralcity.ai/a/lZUEps",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grasus 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/lZUEps",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grasus",
"registrations": [
{
"agentId": 314545,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/93c8d8e0-3469-43b1-bcf6-477e3d2b1fbc/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/lZUEps",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793839686,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T00:51:04Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grasus 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/lZUEps"
}What the leaf hashes
{"body":"40b78c13690d70405730ce3f174063eb80621924599f857ae0ab0ba53438637d","id":3342941,"kind":"listing","method":"sync.erc8004/1","observed_us":1793839864784424,"prev":null,"subject":"erc8004:5042:314545","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0x4ca3b6609916a293ad3020c261a618e180018d912abbbef794e275dc6ee03f5a
- 0x534d4e7e9a9e2e5b13d75acbbac3a81f6621d4e4447310b2560c04e7da342a2b
- 0x1016b9693ecab86ba00735c079c2c6920be999a1e669df96e7fceae403351311
- 0xd14aa1cba5c527e59ff553c5bddcf7bca832b4e13a2270ac65b54ccdb43e9804
- 0x4d0af0c823f1c3ee55e12a42fca4eeaf67ad3a83e9237a861383251d10a1965f
- 0x6497a70cf0f3f116ff8154238ab8f6ba1e14e66b467ef973d7658134d7bbd6be
- 0x792b20612065f91a5a0d92c2fd8ea50d8d2c548c2e7f32bcd3fa46597ce076c0
- 0x2668c03ceade1e4360eeb29eb6f4f7d3923f39b26a4813501d0ff0dffa1b9b37
- 0xd5601e9e8ed0c26c4e29feae8a4682fee3c1dc8d46776022424426ce3c3c2a1a
- 0xa1f24d5b1cdf2e28c30ba60223edf273bc1fed49993b6587bd5527520b855450
- 0x4d275fe0351e6f4adbd9482e7f74fc78b61985aaaf7ff4917c8cddcf5666ec12
- 0x6af54a514d32c8370183844e8b01a68b00267021247ea26b929ef53498af3072
- 0x9899177649213895bad2e2e2dd6d31b170ccf53409d2b31f71901d3ceab239f8
- 0xf1ebc8b794cdbee72cfc7d6298b0f35487ba5d0e9f7a1e6e7c1c1bf23640861f
- 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
- 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
- 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
- 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94