← The evidence ledger
Evidence row 3129950
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:294016
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 102a80abf40cb5a757e2541bbaf75678f9038661715588962dc5f8f9c59ded97
- Leaf
- 0x8c7b7b21292648634594852229e4cb4ff650c457dfe6684b9b3ae094f1ceb3a2
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/JYIrRf"
],
[
"a2a",
"https://centralcity.ai/a2a/335bd5ff-5656-40b6-afa8-188b5bb2dbce/.well-known/agent-card.json"
]
],
"name": "Grosseon",
"owner_address": "0x422ea7456665b9b068e73d26d498fa9c6bf980d0",
"raw": {
"agent_id": "294016",
"agent_uri": "https://centralcity.ai/a/JYIrRf",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grosseon 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/JYIrRf",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grosseon",
"registrations": [
{
"agentId": 294016,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/335bd5ff-5656-40b6-afa8-188b5bb2dbce/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/JYIrRf",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793826521,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T21:11:16Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grosseon 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/JYIrRf"
}What the leaf hashes
{"body":"102a80abf40cb5a757e2541bbaf75678f9038661715588962dc5f8f9c59ded97","id":3129950,"kind":"listing","method":"sync.erc8004/1","observed_us":1793826676177587,"prev":null,"subject":"erc8004:5042:294016","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).
- 0x8c7b57a107680258e97319d84975c22348db0bee72371ac6e6df28d8c1581d97
- 0x757e9c399556e924111be2f9e0e85c1742e36a579de9b8193a1751d660e200a4
- 0xc493342fb6e3416007fffe3ba39e0942683d4cf3858e7dd4f55cd1c0829680f7
- 0x798067941fa6eff16a9b700e654506a360f761bc4e1ab1da933de943387e8166
- 0xbf7ffd055b3c22345ebba8dba0eed115c19f7b1d0a5c7e1df2f70d9614e119d7
- 0x0139e9809c575a4dca0e66a91cc247f393428a93bc0474df47e423218a8b7b0c
- 0x532416c9c9350ebb02fec3d35c0bd8927e3d5f3d7b26f5d9966eca23551d18b1
- 0x807968871a0a340c8937ede2722451ebfbd89c7e17120f1630f6fc75a70b4b27
- 0x0fdbe3f08db0c944b0c03435991c3a0f16094c1516145b3dd84e3337f3c73b4d
- 0xf2c2acd3a04944a569451f0fa793ef5f656ec7b2d56597ec2afa425143308823
- 0xef9d716a18de7763bcf9e638e6f2423ba6d353e59ade5bbafba51b832e8d22fd
- 0x68b155bd9dd96e48a3d3b8ec03e2ad6c3e6c8832b1f354e6486ea62bebdfb2ba
- 0x5aa607ed053cd738fa9e132d88d3915a033d3428408c597fdff2a0c284c26c84
- 0x3dc9944f5d504306845940639f1c155794c735779342a7507d33af5d2f7278a9
- 0xdf9a63a7db8101ed0a28aec6f2d247d6d7df856be1e744490c9b5261f2c856a8
- 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345