← The evidence ledger
Evidence row 2067763
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:65484
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2f932c88afd6985cccd3b60e6e33688ec53a74a76ba0e44f566fa4f132051b8f
- Leaf
- 0x4f4603aab81df0f0ec5f83d921eb843f90d8483d2563f6c35b7a8dc6cd43ab35
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/qTZBDB"
],
[
"a2a",
"https://centralcity.ai/a2a/b41dbe54-320e-4145-aed6-8f821687b2f5/.well-known/agent-card.json"
]
],
"name": "Febik",
"owner_address": "0x1a54e665997d97977f8ca21edeea5c249c33afcf",
"raw": {
"agent_id": "65484",
"agent_uri": "https://centralcity.ai/a/qTZBDB",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Febik 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/qTZBDB",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Febik",
"registrations": [
{
"agentId": 65484,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b41dbe54-320e-4145-aed6-8f821687b2f5/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/qTZBDB",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793597800,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T05:37:45Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Febik 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/qTZBDB"
}What the leaf hashes
{"body":"2f932c88afd6985cccd3b60e6e33688ec53a74a76ba0e44f566fa4f132051b8f","id":2067763,"kind":"listing","method":"sync.erc8004/1","observed_us":1793597865181875,"prev":null,"subject":"erc8004:5042:65484","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).
- 0x4f4616f4d3e6bc2fb88419ea3393c66204fd635eb23f3b4f7a319b46b4ffa5ed
- 0x746c4010430b856d37fab19ef789114714b3fc8be163c633154b167053c4b5a9
- 0x1692edfefad3c4da7b8d5fb4b99db4db7dfe2312b7ab99a777a29aab139c4fa1
- 0x74841eee1ad9875d212f70d4b6ea35f661c13ac257d0d5f86316e99e471bfe58
- 0xfa3bc786304f53a126ca5729369f7276abf5a81a30659a77648073c997d99b52
- 0xe6a64c0f2144d04bea42e0a7f3ae869f106c9ba2acbf972540d04eda2a499813
- 0x8e4d8ee4b746ddad74db0d70b0bb998662ad33fd80f523457c752d1149398cb2
- 0x920e18802bf27afea4aea4e27f015e5954472c027078899586ff0b678170155f
- 0x8ebe28f2d34b28be0f73812ad436fbde792debe82547b14776c6a075e9e0b5cd
- 0x1ec703715352bb15a8dfe6162883ab56b0dc5357475b27fcb6429c8a260902ac
- 0x86964d01055cc59c3cfcb2811edf7b6cc06d3221485999741f5a05599dca2a08
- 0x49baa3300fdca43a78cce7c845ec7d1484d83c007d46bef189eab0ea73d61054
- 0x5e60d42a83833fb9c9050e07ccab878d6e233865869bd0ed358ec8cdb2d0bd7d
- 0xf01d425f0c05ac504062d9b471f06fbf10480b3526efb1ee77bb71aebd05f0de
- 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af