← The evidence ledger
Evidence row 2594185
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:187545
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bb4031dd049f4ff7a394846f55fd0768b86419782381b1e55f71c2e59a34718d
- Leaf
- 0x88bf16226ec7351b909b772cf079183e9bdef71d12f684cc63ba91221a748ed4
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/6Ibces"
],
[
"a2a",
"https://centralcity.ai/a2a/b5c409d2-18ac-4e3a-a042-75a84219c889/.well-known/agent-card.json"
]
],
"name": "Briaston",
"owner_address": "0x8107e1f784b665c4173b77da0df3820d0919b6d8",
"raw": {
"agent_id": "187545",
"agent_uri": "https://centralcity.ai/a/6Ibces",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Briaston 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/6Ibces",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Briaston",
"registrations": [
{
"agentId": 187545,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b5c409d2-18ac-4e3a-a042-75a84219c889/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/6Ibces",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793715352,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T14:18:55Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Briaston 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/6Ibces"
}What the leaf hashes
{"body":"bb4031dd049f4ff7a394846f55fd0768b86419782381b1e55f71c2e59a34718d","id":2594185,"kind":"listing","method":"sync.erc8004/1","observed_us":1793715535730685,"prev":null,"subject":"erc8004:5042:187545","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).
- 0x88befaed4956bb89c55ae74754e00171dac3466cadf67cd3cc1878994a960198
- 0x4d8c2dd511221b24eb6bd1c55b2aaa8a34428ffaeb000240d082dd7ac7ef768a
- 0x71792498c539868a67cfb63bfae49e5fea5f6bd0143dae513aaff299730df196
- 0xadb5c918d325caff1f4b73f050fc48eae58454faff7a8a69f9f72b7ea3949671
- 0xa3bab744612eac1d0fbbe4f1a56009c4cc96d3c28032c6beab22bde62a969570
- 0x2d1ef2b43f1b82afcd6ca60c00633d4af9af1bc01a2e300262d8cb1fbd8feaee
- 0xf75ba19783a460ad69ebd221a9811e1b5294e2f4c360c6ba4e4bc9abe563e859
- 0x88d3c5b08eae36c74fe424818daf63575245ebfe0fdf4d3b0300c3052f9ca22b
- 0x65486a15b65f2870c0f6486076722f5d4c1525c5ab0c5ac2eff4239158fe5dc7
- 0xf1a8febd022550c0d0bd82c1a463ce4737ccbdb54b6b2731bd9f68e96700842e
- 0x302757ae55c3ec01363b9f3df212dba10f77cba2282544085c3d09d764923d0c
- 0xd20ec8842c47223f02740078dd0e5b5b17206d7372fcdbcf51b5e0e46355919a
- 0xf7c67c96024b4a69e763701d06d6e4b51458c1259af3b5d0a9d5873b55301b3a
- 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
- 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7