← The evidence ledger
Evidence row 2994189
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:243502
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8929204e1fca23ddc2c4bfbfea6c60098830219329e5f0007ed2d0e54c3a3f04
- Leaf
- 0x5bae649e905c94139cc7ffa8f47754fb7666e2af2416da1bcb2e17fd8736f4d6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/tHgBYN"
],
[
"a2a",
"https://centralcity.ai/a2a/421a9b4a-ac24-4926-bd1e-7d42bca01c84/.well-known/agent-card.json"
]
],
"name": "Vianseon",
"owner_address": "0x4f1884592f86b6deb38963ebed6bda7641d8397a",
"raw": {
"agent_id": "243502",
"agent_uri": "https://centralcity.ai/a/tHgBYN",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Vianseon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/tHgBYN",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Vianseon",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/421a9b4a-ac24-4926-bd1e-7d42bca01c84/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/tHgBYN",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T10:59:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Vianseon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/tHgBYN"
}What the leaf hashes
{"body":"8929204e1fca23ddc2c4bfbfea6c60098830219329e5f0007ed2d0e54c3a3f04","id":2994189,"kind":"listing","method":"sync.erc8004/1","observed_us":1793789977079010,"prev":null,"subject":"erc8004:5042:243502","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).
- 0x5bae76b1ef4ee8650e86e9e066cb124933bed99cd37345c0d12afb341a3c37f9
- 0xd0e8d88a02f75b01f98fe24fa2054cfb284b979855eb9c903e6a85dbf2e67476
- 0x5f280cb7cf8ede4f9a24e60ee6482bacf9e857f03f738fab2b2b3fec3cc7507e
- 0xeb594ad2fac8513f36df2c02e9ecc4006983bdd7208011297b8144b8642c805d
- 0x4b738f46f527d51983f2e44d221f0ab91655aa3a3fc1bd023692f7c3c18c78ca
- 0x64e5a7a29c2c7ca53bcbac79a00bc66f604b5c683a5bdc97e478904b1acb6f4b
- 0x8b12098535330f65727664ce3be984f20489519fb5fd72b5a70e7e8b864d2783
- 0x6ee9d7eaea76f414935c738d746697994995689f49f29910539f045a7a0d68d6
- 0xb7c80beb09ff11971b756a052c679a302c9966c9ffcc14556dea29c8acbc39d4
- 0x3b635efabbd9f9e5c9e83f847dfe3934b1d26a2ac275b86f775d324d3fdd7d63
- 0xde444eb4eee67dcc79266d5693cfedff6433031e9922be059e706ebafe80abab
- 0x1906549c4f870ab906c4d340261515d8c0f7ad4ffea90f9594dd5c8c2dab3257
- 0x8957a4f68ff075b6dbab81a16ad9e71178aab2bc6af40676851d5c681501bc21
- 0x9e77f63ad84a9a7f4ec5bd22587b7426172f805d9542bc37a0e6eb7a5819d762
- 0xef57a5030e9f74924772ed82f2ec9d81269d0f11488e66c967d5fe90d002634f
- 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345