← The evidence ledger
Evidence row 2071262
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:67256
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a80a3884967bad64ab36a7feea585686b5bf6696d96b9629d5a6990379bf64f6
- Leaf
- 0x6e0a43e03ec7502f217d738aa1df7d09f6d229023b4d9c8025c126c3d7418b8d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/BgDEfG"
],
[
"a2a",
"https://centralcity.ai/a2a/a4af6720-0941-4977-8828-6273c2ddb4b0/.well-known/agent-card.json"
]
],
"name": "Nionik20",
"owner_address": "0xcfae0ec5de850759feba1f0544a9e80734fc5f54",
"raw": {
"agent_id": "67256",
"agent_uri": "https://centralcity.ai/a/BgDEfG",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nionik20 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/BgDEfG",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nionik20",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a4af6720-0941-4977-8828-6273c2ddb4b0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/BgDEfG",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T06:01:02Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nionik20 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/BgDEfG"
}What the leaf hashes
{"body":"a80a3884967bad64ab36a7feea585686b5bf6696d96b9629d5a6990379bf64f6","id":2071262,"kind":"listing","method":"sync.erc8004/1","observed_us":1793599262775849,"prev":null,"subject":"erc8004:5042:67256","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).
- 0x6e0a4cd6db0c1d713598c0b77352a73e333246485d3c44ece25ad01615382bee
- 0xd21cd984fce6f81b0feeb2ecf2f6e617ac19e07b01a0adfeb345a8e331c489f7
- 0xd0af2e2cd68b224bf02ff1232a51e0aa0724203ca61142632d6e0bced6bd1b55
- 0x6b68b70ff718f9ff17ab340a472fe490c3990eb7919df76175f5bfdaafabf11e
- 0xbbeda51f93a9744032059c5729a3d3f2dfc29b963270356b5dd628d86d05992d
- 0xb810b4afb551b4878a95f4969dd2db237405b9aae5cb1ee3e97bec19b5069c79
- 0xcfae359343326321891521f971aa26f20af002abea31899afe0fa5e84392b9f6
- 0x7a9ac96c15110b5d553fa8786b1ad2674104150d51d160354beb70afd696a695
- 0xa1e817146504c398d8232d54d4e728e919289f6a914b695cd0324ccbb7a94721
- 0xdcb568c0098ed1890b562dce9b98962ef8fa8bfe51d11d51d99267999c1756cc
- 0xb0d18cb0ad87720ba47a149f09051a03a9ed3f4ce71bc9a9d9c1b8fcfadee909
- 0xa95c0aa60c534c116ea78dfa73cda3218c070929dd80984b74bd130bc0058f60
- 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
- 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
- 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af