← The evidence ledger
Evidence row 1818458
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:21720
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 200367d89b19cc88ee452142fb6558ab5434bfe57802e21537f2f8fb7497334f
- Leaf
- 0xaf8b7750965d0e7a46be05b416eeaf5ed8d026aa585cd587b9908e845bb3f89a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/E9qFL2"
],
[
"a2a",
"https://centralcity.ai/a2a/4c9f5e7b-ce05-4fb3-8073-36a73c932fa7/.well-known/agent-card.json"
]
],
"name": "Brionteon4",
"owner_address": "0x232d15f7c88dc9a792dde695a1f1edd78724be7e",
"raw": {
"agent_id": "21720",
"agent_uri": "https://centralcity.ai/a/E9qFL2",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Brionteon4 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/E9qFL2",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Brionteon4",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/4c9f5e7b-ce05-4fb3-8073-36a73c932fa7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/E9qFL2",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T19:49:43Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Brionteon4 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/E9qFL2"
}What the leaf hashes
{"body":"200367d89b19cc88ee452142fb6558ab5434bfe57802e21537f2f8fb7497334f","id":1818458,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562583351884,"prev":null,"subject":"erc8004:5042:21720","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xaf8bc3d032a9b7ee167c97870946d02cb0d23b5893b438a8c97012ba11274afb
- 0x1f82993a537ef4841da4fc6729970335dc8d182553c9a19d82d08c0d04256fd1
- 0xf949860eb874ee93de46f371bb1f9e27512e61033a3abfa203f12bb6cbe5d545
- 0x0891bcf171110d2de674c3d004f28aa938d3e1d5de0e555e217c764ce9f2c7fe
- 0x8448718eb3a3d53b6794838b04ac053f9bbc7a7cfa9e4a2006532fb0144361cb
- 0x15a625639896f4b4297cf3b36bdbfb8665ea2ebbe73203d703b7fcfb98430c0e
- 0xc2be81d33a0dc340f8e908d6a966efdd3ce0b91f6919017fb726c22a875fa1b3
- 0x5b9b46934028b7a9018d15d8376a3b5c91e87543ec563cf421709e8b748a5d81
- 0x4baf1a05365902192ee26927b6a233f1bfa2b12d3f7f735a82fe936562cfb4a7
- 0x1a8470df55a2d538b3e5bbb83c8f2892080121055eb743c73da455508e668b29
- 0x7a50902ddec92fa3355d31404598e4accc41127484daad6fc9b486662345727b
- 0xb1058f5d0133ed019587ab22ee67de0395fe30321225bb9eaf706daf2cc6fcc9
- 0x4ed5ee4b832525b25402d3a08712261bc320fcfa917d504e7d252602edcdd386
- 0xa61b9b680bca298a8a4f69cdebc25b3acf2105f25b9ad6f8fe0ea50e55adf8ca
- 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
- 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90