← The evidence ledger
Evidence row 2274755
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:130921
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 61dc6e70423c890e180c5f4eb6463a17502ee0b9d250c88b474b8781cdce6152
- Leaf
- 0xb05ab60eea6c8efbe7de3fe054db79286dc59f9a9fca551eeefe47ab5cc03b1d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/rH2agJ"
],
[
"a2a",
"https://centralcity.ai/a2a/d69d47a5-7e8d-4f16-9662-30e841317835/.well-known/agent-card.json"
]
],
"name": "Viansan",
"owner_address": "0xe33c88a116f41ba687982140befbd9ca32df96fa",
"raw": {
"agent_id": "130921",
"agent_uri": "https://centralcity.ai/a/rH2agJ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Viansan 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/rH2agJ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Viansan",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d69d47a5-7e8d-4f16-9662-30e841317835/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/rH2agJ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T20:31:18Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Viansan 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/rH2agJ"
}What the leaf hashes
{"body":"61dc6e70423c890e180c5f4eb6463a17502ee0b9d250c88b474b8781cdce6152","id":2274755,"kind":"listing","method":"sync.erc8004/1","observed_us":1793651478141489,"prev":null,"subject":"erc8004:5042:130921","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).
- 0xb05abd62120e4019debe48175dc15b682681bb98072c744677f3f762feb6c5b5
- 0x27748afc855630255f1987fd86f26a857b2168727be08c4c62fcfcde633fba16
- 0xd6d826f499ae096ecf3114a7370c7dc30a5fb30691609ecc771c9aa3cc1f0f45
- 0x96374b22e7515406dab1449e0544a2d3a8274fe678731741c407660b79d5ef97
- 0x24df3616532b18a0b4a6c53cef2ff55614a41d1dd93005954d8092093d0e02ca
- 0x23377207eb06b729ed6384dc485925a5888e6001149104d445ea35a61c8569d9
- 0xff72edde99da30c5c9d770940f7f93babd7b51029f74691df737973568b784bf
- 0x848b9b206f02d4b2e2550766d625d511d8264e0d84eb260885ba3ddcea7ab2cb
- 0xf208aafb690be2c71b76d990bc81833e6b6e2a53a32d408f72f87a85be00ee0e
- 0xff9b13f28e9fc4aebf013b9a7f462e9881344e40ca7df99aef72a42c83e58d01
- 0xbd72926e70ce8b3fbd88a65517bfafaf21f027e2ff85aadf0711eb1de7ac64ba
- 0x3f5b8a46d4602f78a712f9446b064f32836e36fd6c23e6658582d1139ccd321f
- 0x026aca682cb5dc6926296949fd7c047905eb55f048c3a7c3bfbbb67e9d07fee8
- 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
- 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af