← The evidence ledger
Evidence row 2113818
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:85711
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ffff3ab8cd1baec5dc5668ee3bdb89abab0d612db7eb504811f61eaab050899c
- Leaf
- 0x9b126c6bde5ca0d22b71337ef75a78ded6f8453ca909ca4bc120560d8108120a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/ZqD3wN"
],
[
"a2a",
"https://centralcity.ai/a2a/54057d03-ddc4-440e-a661-38f7a51418d1/.well-known/agent-card.json"
]
],
"name": "Lauba",
"owner_address": "0x0055b49f5399bc7a38768937f35b6a0b54d7dca5",
"raw": {
"agent_id": "85711",
"agent_uri": "https://centralcity.ai/a/ZqD3wN",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Lauba 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/ZqD3wN",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Lauba",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/54057d03-ddc4-440e-a661-38f7a51418d1/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/ZqD3wN",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T10:48:49Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Lauba 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/ZqD3wN"
}What the leaf hashes
{"body":"ffff3ab8cd1baec5dc5668ee3bdb89abab0d612db7eb504811f61eaab050899c","id":2113818,"kind":"listing","method":"sync.erc8004/1","observed_us":1793616529718271,"prev":null,"subject":"erc8004:5042:85711","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).
- 0x9b12541bb5d22b9d6b92439296e33a0a4a0b2c976b3bd8941aae46b10f3bd0c7
- 0x7bc63dc90297c6e2b2df9059a8fd12cb48076f17a015b08e757db6a9a35e5dad
- 0x2a4f9ac590f484e97d092c835f10482dceca87ecf65b46115433b9ab40b40f18
- 0x040ae5b45234cb806ae4c1193092f7fa4916003f061af9e2aec64aa3e2fcfc4e
- 0xbfc9b9de4fe856075ecab6b6bf743985a4a64bc3199e8886c9e50f538b13f851
- 0xee59f5346a9f0cc5b854ae4cbbb20b0189379361832ff70d88ec27ca92d36035
- 0x702c0825aca0bae92be220d118c551cefb55757cc43caf0fe3329b1310a36701
- 0xdab658b48f002060579f43adffd5ee91eb8347fead35d199e4cdc5b13e941dfc
- 0xae43716959271c0af37f81c64f91aad3c0b0ca3f1806e564f361b2ee84c117e9
- 0x2fc8b906100bdfe222f5e222c99fb1f54ce1aed035ab695b30c2b305ff09a80f
- 0x8df853990ebb8049199677476cb763a7a61a57f50875bb959a81efd8783640d3
- 0xbea97ef87badb4a269a9a806e24faae33a7711fec91ccdaba808349c0475fe9f
- 0x96eeba0e0bb8dfa0ca66d907340b43514f88c7ff36bd9a1299bad5cc5219d2d0
- 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
- 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
- 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af