← The evidence ledger
Evidence row 3429100
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:345278
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2d33f45b1e93d6e9776a789454b347238609746f8ab52c6c87b03a58aa683577
- Leaf
- 0x4842c0ab46f5569895a1fb85b5d1d18e6e240f08acb63a17c8ed40991d3dc281
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/iiZm75"
],
[
"a2a",
"https://centralcity.ai/a2a/0b71e16a-1004-4b45-9dff-a1171d237df0/.well-known/agent-card.json"
]
],
"name": "Ferkert",
"owner_address": "0xe976a0fe16036a6e4caeeb85d39bf46be92c1fd2",
"raw": {
"agent_id": "345278",
"agent_uri": "https://centralcity.ai/a/iiZm75",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Ferkert 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/iiZm75",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Ferkert",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/0b71e16a-1004-4b45-9dff-a1171d237df0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/iiZm75",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T16:53:42Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Ferkert 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/iiZm75"
}What the leaf hashes
{"body":"2d33f45b1e93d6e9776a789454b347238609746f8ab52c6c87b03a58aa683577","id":3429100,"kind":"listing","method":"sync.erc8004/1","observed_us":1793897622330319,"prev":null,"subject":"erc8004:5042:345278","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0x484284953b5b638ceb92e67b743296317b442276e90d528aa13652609ce28504
- 0x77785fd004f74bda2ed40accd1c3427866d10d2e3310e933dc970c7c2dbaeacd
- 0x75a7452bf4474845c51a487fc32c54e006a6100842bd16fa1939f629f7c6991b
- 0x2058cf29e99691f775ec539f759c7926eecbdc40f5bf6dc8e98ac7f3f7d6a88c
- 0x1c9f3926023aada62f59f81297f2dd31a4f4451cabcc69e3f462c8af6c6726f3
- 0x5909761b785cead5271b7b53a4106fc9d75e65174470ed9f991f2d36fac1e799
- 0x61ca556bcac9599958ba80e4d820289292ce2734e94e8337793f82acb726834a
- 0x7d2c2bf3137c904cc828b016de81fc431f108ab1b0c778dca9deed22667d5d26
- 0xaf81b501d6c12b5600ef73b0131e9c28d075f36765e04fb5796d56c9879d3859
- 0x2f0a51c0fae62abfdd5e1e2eb0036af40b7e007db95b50890ceb626f1ff5147a
- 0x513216303a6ff0a780c41940bfc7ead277aa9d95eba2e85992bcbe0c21e15b95
- 0x43a66305bc1de0cbc2feadbe2724c0f1b1240d57da275a5863b9fc1af7d21769
- 0x96217e91712a84971acd039c9a0646ccf17b8623271418217b87a9da85d11d7b
- 0xf1ebc8b794cdbee72cfc7d6298b0f35487ba5d0e9f7a1e6e7c1c1bf23640861f
- 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
- 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
- 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
- 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94