← The evidence ledger
Evidence row 1772279
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:8207
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2a72b41192a71f3611cb9b6491aae25418d4a2289d41b31f82febd20d97b14d0
- Leaf
- 0x4c8c92a99e6c8dbe2ff16834448b703cd1e638371c8abad865bcdd9914011937
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/zug4IK"
],
[
"a2a",
"https://centralcity.ai/a2a/5442f576-8d1f-4444-aaf0-b1b6c90f231b/.well-known/agent-card.json"
]
],
"name": "Lostazert",
"owner_address": "0xd3edd0ab1dc8d0d09e3a7a080fe99ebef565cf66",
"raw": {
"agent_id": "8207",
"agent_uri": "https://centralcity.ai/a/zug4IK",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Lostazert 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/zug4IK",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Lostazert",
"registrations": [
{
"agentId": 8207,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/5442f576-8d1f-4444-aaf0-b1b6c90f231b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/zug4IK",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793548202,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T15:53:21Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Lostazert 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/zug4IK"
}What the leaf hashes
{"body":"2a72b41192a71f3611cb9b6491aae25418d4a2289d41b31f82febd20d97b14d0","id":1772279,"kind":"listing","method":"sync.erc8004/1","observed_us":1793548401105274,"prev":null,"subject":"erc8004:5042:8207","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).
- 0x4c8c32858fd468e349aad64d2b4c4fa5c04d79ea0657d97674c8a0081c02e01d
- 0x7509886b0adc31612206a9dfcab52c9fe0382093fb9282dfebd8f8337bcfd5ee
- 0x2f5c9e02759a22c6bbcf886d8a7600e5a2619bc1ac21c7c353fbe7478a9c20d3
- 0xa3de4ce0f155e02b2f3884a7feb0a7dbe5d8cc78c154ada5fdf83782c3c2da47
- 0x2caa647ed3ffa2d3728d8371781241d8f11c68434882dff5627d15a6426a040d
- 0x3c3c8be4ffc68a237bbb35ae61e12ad0674d08bbcb5770f7411f969fc2955ceb
- 0xd1b8597dc16e144a72af5f0243dbb19af03e68ce174acf4c97ebed1db93dc214
- 0xac69528cb1a76252eca21564323929f8ab486538c61a0955dd9d9983f46c56dc
- 0x1ddb4bfeebde7d78d1847a6fbeebc80147fc1d4efcb66107c911ccb9e15721dd
- 0x8adde7259579467742a0ee3e408e76786c544880b642a896d1d5d82a578163e9
- 0x61ff57d2ade82e1a92f0c8a6fa7a2f8e022bc472388e996ddec0babb3b66db9d
- 0x50d0aab4654c4fc0e4e1b6e9ce23b51cbee73c6fbad455db813e190229817e20
- 0xe856d71d4d8a98af6db9d570016de7389476d0530bd8e162ceafbaf3cd861a5b
- 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
- 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
- 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
- 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90