← The evidence ledger
Evidence row 2162551
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:106993
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1240f10c15124a6152c2f03aaa51e6be3ba5cf065cde823622fc3051d7eac50e
- Leaf
- 0x5472d88df582c659ba03ea3c87a06a8737fc1ff9994795e47b1ecca58f3cac43
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/3YGbaB"
],
[
"a2a",
"https://centralcity.ai/a2a/550d6305-cd5b-4bf0-82ec-56e1aa370caa/.well-known/agent-card.json"
]
],
"name": "Simpert",
"owner_address": "0x6397ef952a9062002647ca455eeffbe8877cd4c6",
"raw": {
"agent_id": "106993",
"agent_uri": "https://centralcity.ai/a/3YGbaB",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Simpert 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/3YGbaB",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Simpert",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/550d6305-cd5b-4bf0-82ec-56e1aa370caa/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/3YGbaB",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T15:14:49Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Simpert 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/3YGbaB"
}What the leaf hashes
{"body":"1240f10c15124a6152c2f03aaa51e6be3ba5cf065cde823622fc3051d7eac50e","id":2162551,"kind":"listing","method":"sync.erc8004/1","observed_us":1793632489296682,"prev":null,"subject":"erc8004:5042:106993","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).
- 0x5472f15af94f85ac0cb470d85c12717a0ceb07782ea7a173401d786f2228711e
- 0xcb660174c69498fb9d5372d1d911f9548256d39de99f082b99548f89b932b994
- 0x9e88387d11d67c595fea5c0c714ee4f3b8cced2091f00a95a41f90f6568fb7fd
- 0x59594efa2320e76c102d5bb7e428d62eae3e59b4c98985c26871ffb4abbf7b53
- 0x0d5910654edaf93b93557aeffc357f7c04adf8efb24bf1558f6a5217cb07a754
- 0x89ff4dc5b7ecc62cc76e95112dbbc5779fb6cca44379c5fec81fd7624e86fabe
- 0x2774c0adba8f7df2549c5a7ff3bfb38ff92bfb208b3b70337d6b36b48bb6a1c7
- 0x036958de41ec74338e38f773b69af308b970fe26b654745142b2a4dc81f0f047
- 0xd7fb0e0503d12125e8d5f0d928f50f83989db731d9d4aa573c1e38c8ac26c239
- 0xd4d74096ae20a1d6ed40e0bc0dc73c9e8588d139c29f136f320494eb8bacb285
- 0x1b998043e876fd85425377c36427d1094aba002159dbd3b99c90d8bb05324985
- 0x2f939f81b3d9a2b0b3675f2495202eecfcd0bc01d5caf387a09af7c46e8e7e6a
- 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
- 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
- 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af