← The evidence ledger
Evidence row 3442957
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:349386
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 016abe11dd17ed199834aa8fe6453f6b1d4d6f0dcce097ef8a706a9fe235d1f7
- Leaf
- 0xea1bc466b7c2c2c6f3fd5a4293ac47cf28149cf64fb16d06fa6abd5e3e0f764a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/tI8yUp"
],
[
"a2a",
"https://centralcity.ai/a2a/14b703d9-84f3-4c0b-b7ad-2ebf63e8bccb/.well-known/agent-card.json"
]
],
"name": "Kausan",
"owner_address": "0x188833d674e9185cc33dced49e4d17d277395269",
"raw": {
"agent_id": "349386",
"agent_uri": "https://centralcity.ai/a/tI8yUp",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Kausan 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/tI8yUp",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Kausan",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/14b703d9-84f3-4c0b-b7ad-2ebf63e8bccb/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/tI8yUp",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T18:59:43Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Kausan 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/tI8yUp"
}What the leaf hashes
{"body":"016abe11dd17ed199834aa8fe6453f6b1d4d6f0dcce097ef8a706a9fe235d1f7","id":3442957,"kind":"listing","method":"sync.erc8004/1","observed_us":1793905183701172,"prev":null,"subject":"erc8004:5042:349386","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).
- 0xea1be30f15488ea1880fc2ad860ea737b812a7db9cc83d5328d72bdd91bcb8db
- 0x601293cc0a1318af7b456a9feba93c120e85825c82f7525b6868fec5a95f49a3
- 0xec21df5c2abcfaa4357aa2b9cad09fa65eb639eff1c97cc645b72767865cffe7
- 0x47167c2a33bcdc5b6f658d625cb35b989d8259a6b0a23433ef3f43fabf338471
- 0x88cfea059f3f219fa528fce0be774e7b5067afbf1044ee52a31e6261ac4258cf
- 0xa3fec450830f0b1e47974f1a20cb8770c11eba8a52cb8b7ea4a2ce55c0f2693a
- 0x4022d8f698a70fa998669c412a383046616f394ffb6b7755bf54e5ad5602e5a1
- 0x0b84a9736fc29319b94dc9ab88580a080717060d9f9a876d1eb018b608d4b47f
- 0x4987249e80a4e6e3c480fb4ff4665cf2306a835ac4e86cd4a83fba3b93667541
- 0xe293c8aff5bbcf33fd695741b083198c7e081f6dbae82d0de427e807dbd7f21d
- 0x7ccfa0747f997704b59e66c82a23fdf75ff1e60d8d8c5c832e577fd051d3841e
- 0x36501998aa66526ec3bd0bf672250cb9a2da66876350043979f42b3acadf5cc5
- 0x53b35126d12d937d4a8233f11b3e912279a6af8d8074654056176693eaaf1a03
- 0xed84001e6f67c5df966efea1d4c436e935aff300dda7a7c21bfabca6d7f867fe
- 0x0f89b13f204fe566641bee24955c02233efcbd2fce2017340ed06cf3c4c4503b
- 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
- 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94