← The evidence ledger
Evidence row 2723609
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:209711
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5c5a39665299209fa629b4837a8c41d2dbf9473e08e665a9377da4fbb0e32684
- Leaf
- 0x815faf89d60f17a180e17ca86640cd68e44f74e766b19dcc4af82232544ae3c5
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/adCVoZ"
],
[
"a2a",
"https://centralcity.ai/a2a/3ba15057-4ba0-4c5e-b6df-a0c4cd568dcc/.well-known/agent-card.json"
]
],
"name": "Berkeon",
"owner_address": "0x9b459fccaeb115ac4e804ec0b746c45a43d96aa7",
"raw": {
"agent_id": "209711",
"agent_uri": "https://centralcity.ai/a/adCVoZ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Berkeon 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/adCVoZ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Berkeon",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/3ba15057-4ba0-4c5e-b6df-a0c4cd568dcc/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/adCVoZ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T22:51:24Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Berkeon 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/adCVoZ"
}What the leaf hashes
{"body":"5c5a39665299209fa629b4837a8c41d2dbf9473e08e665a9377da4fbb0e32684","id":2723609,"kind":"listing","method":"sync.erc8004/1","observed_us":1793746284040780,"prev":null,"subject":"erc8004:5042:209711","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x815fc3f11b31fd6d9f1827067929c3262b083617d52789e71bc0b800c46ff9c0
- 0x1ddb7d354f98cd49e61c18e0361a44445ef8ecd1d606bbc616c42d2c370eb9df
- 0x692e680c84210212de3333c92377a844cfa5d694ec4efd5c11cef8cc1448f37f
- 0x7b7b8d8169a5e1953043f6d0b3d83426eff04cbce55791bc27b43b65ee071951
- 0x12f1fd612ddbc1e8a92999260f188af3a1859c5d7d410761401a6b53e035d71d
- 0x48536817406f1bb49ae9663da1cac29c4d06ad634e19f716123e6fb36b85bb01
- 0x4309eaa48f273db1a11fddb6b57e28a9860b430807df07625b27a2ad5ee30de0
- 0xc7c01415e0039077c05e8240c6f75441ffeb8f40b58cec964f95400f4025271b
- 0xb2b7ca63ebad950589719e69dd90c17db2a55187ec39f61ecaa90a6fda730319
- 0x05c3f25ff0000f51c1fe39b388c909f6f8312dba388cb99227fe2a00974e3377
- 0xf01dbe4c2634681e818cd6b368438f3c6c80267f7f89e578e42d3612eb9ccb01
- 0xc6e642391f030893fe7f66a15e69811e6a25de963bb9b00c10fbfe5f4de0073f
- 0x4607f3c9a6344785c28144331cd5f69653994a97f95db7809922902bd2d6862d
- 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
- 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7