← The evidence ledger
Evidence row 2923111
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:216704
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cc166a5ab137c46533b523ee21f2db88ae98d4b5d1416c9b61d2a6b957595239
- Leaf
- 0x8be92a47113615528fe3611d6056ddcea6e011e9636f0e77635540cfdc268895
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/gQp3lr"
],
[
"a2a",
"https://centralcity.ai/a2a/1f6d2f7a-73bd-4e6b-9cec-804d745717e7/.well-known/agent-card.json"
]
],
"name": "Grumpisto",
"owner_address": "0x609bae60ccf4677fbb36020dbede18d3a3b1ff84",
"raw": {
"agent_id": "216704",
"agent_uri": "https://centralcity.ai/a/gQp3lr",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grumpisto 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/gQp3lr",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grumpisto",
"registrations": [
{
"agentId": 216704,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/1f6d2f7a-73bd-4e6b-9cec-804d745717e7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/gQp3lr",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793754965,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T01:16:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grumpisto 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/gQp3lr"
}What the leaf hashes
{"body":"cc166a5ab137c46533b523ee21f2db88ae98d4b5d1416c9b61d2a6b957595239","id":2923111,"kind":"listing","method":"sync.erc8004/1","observed_us":1793755007109312,"prev":null,"subject":"erc8004:5042:216704","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).
- 0x8be93e744c63b81ca08750e4b6723ce7fa4bdf4d92ab0130553a3134c104face
- 0x5a59e89343b6ea6c01a543a3859739d33afdee6b2e49f40e9d9c700223ba073a
- 0x873976d8c4f626ef1af4c3af9a1d55e5e076d081050d0f0a8d2c702149f5b8e3
- 0x04b69f9014935e2aca71e2f70e87db7f1052774a755363e3a353a53d7be2ec32
- 0x6947bb06f59c49da3ac9d1f720d27a2c3462bc17fa4cfdca8d6569e143c7477e
- 0xb314829a26e71604fdab1649c533e049eb978959a3cf4aa2de8cfa7cf163c73e
- 0x8fb78720e769352b5a4568d3bbad1d2a24099002dccd4b363489c90727fafe9f
- 0xde4594c8e5effb48a7c16aa32a88f6213637bc75b7da8a20a47f38259ab33c7f
- 0xbbded98efba740d39b1339db44b3ec13f1469a2cb4c973792d6326f6ba740cf6
- 0x797441d6073797e4fc773c75a510a9c633c6f6fd5e78baca07d554b2992e8b1f
- 0x7668bc0e0a625aaf1c64a572af272f0aea22d532aa1907331c2e038af82dcc2f
- 0x68b155bd9dd96e48a3d3b8ec03e2ad6c3e6c8832b1f354e6486ea62bebdfb2ba
- 0x5aa607ed053cd738fa9e132d88d3915a033d3428408c597fdff2a0c284c26c84
- 0x3dc9944f5d504306845940639f1c155794c735779342a7507d33af5d2f7278a9
- 0xdf9a63a7db8101ed0a28aec6f2d247d6d7df856be1e744490c9b5261f2c856a8
- 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
- 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345