← The evidence ledger
Evidence row 2185882
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:119124
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 52a7844ddb3ea06bee12efae6d587fa9f6d11a79d0b958ecc5d6f2847a0e1ab8
- Leaf
- 0xf9bd8d32002bc4811fc505b41ea47abad42ac3074ce6269cc83aaa0a6f3ad207
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/P3mTyp"
],
[
"a2a",
"https://centralcity.ai/a2a/2c5c3467-ba80-4aab-9707-9c529e355265/.well-known/agent-card.json"
]
],
"name": "Viampa",
"owner_address": "0xa016dc3006266ade34a253b7dade3f0a428418fb",
"raw": {
"agent_id": "119124",
"agent_uri": "https://centralcity.ai/a/P3mTyp",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Viampa 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/P3mTyp",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Viampa",
"registrations": [
{
"agentId": 119124,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/2c5c3467-ba80-4aab-9707-9c529e355265/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/P3mTyp",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793642217,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T18:00:33Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Viampa 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/P3mTyp"
}What the leaf hashes
{"body":"52a7844ddb3ea06bee12efae6d587fa9f6d11a79d0b958ecc5d6f2847a0e1ab8","id":2185882,"kind":"listing","method":"sync.erc8004/1","observed_us":1793642433971288,"prev":null,"subject":"erc8004:5042:119124","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xf9bcf8fe1202d28bbd5e711b31ef3f6fbeeaaf5e8823c6a74abef5a9c47e9d70
- 0x6247788e0263964b55bc7fff05802a5a1b413c375d4a9ea07d53eb9237efabf4
- 0x246838f03b6f9ed05168cfc963fd780d30e19fcfa5ec4330ddaebcb392d87ab3
- 0x85c309edbca65eb0bc2a73757212f0ece16532b1bea1015b743131cdfcd872be
- 0x9e617a797464add7df530504130eb907c724a031d4249cd5baa2bad445bc5f23
- 0xde0d2981e67aff872761adfaff608f64a34dc7d472f026e835b21457d1d0dec6
- 0xdf6d7932c62de3dc5586f0299cdae01b84b5ff1b2308d192148d10b3943e942a
- 0xe25545f7db00675398eb1024cefab7671a050b3fd4085b3abd341fb923932651
- 0x19ba70e38d10f1b63f97201f3ad859124a105446b103baf5a46443a9b0c28b4e
- 0xe0682d11ec64a665997888b3c87b7654eac34b0b2b9f232bc66f745487471320
- 0x9dea2992b53b56559fc7c91f9ee11f08c968629297702124ebc8529836a8b37f
- 0xfea7574ec60f475e652daec0e1e276065664b34779fb7d45aed93f03f922f668
- 0x89a7b363610c665a6d371ca58d69c8f4bfe13c5c1cb1ef833fc373cf504e2e58
- 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
- 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
- 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af