← The evidence ledger
Evidence row 2281030
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:133611
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 22f406a36f30ed34828986baf7c60b76afd254ea817ad9c33a1fe603f0e66a19
- Leaf
- 0xafc2136bd188c1f34d5ceced068d758de3a5359b46947afe0332afed1d086baa
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/T6kbxO"
],
[
"a2a",
"https://centralcity.ai/a2a/d65a3816-f232-476d-b155-64b5948bcce8/.well-known/agent-card.json"
]
],
"name": "Sempero",
"owner_address": "0x6cadea1dca7ab19f040f7cd55fcf97b1d5e205f9",
"raw": {
"agent_id": "133611",
"agent_uri": "https://centralcity.ai/a/T6kbxO",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sempero 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/T6kbxO",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sempero",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d65a3816-f232-476d-b155-64b5948bcce8/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/T6kbxO",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T21:17:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sempero 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/T6kbxO"
}What the leaf hashes
{"body":"22f406a36f30ed34828986baf7c60b76afd254ea817ad9c33a1fe603f0e66a19","id":2281030,"kind":"listing","method":"sync.erc8004/1","observed_us":1793654231918451,"prev":null,"subject":"erc8004:5042:133611","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).
- 0xafc1c41f5e55c19441f948fc795072bd5ca5944fb109556fd94d6831ff98d245
- 0x660b921abd74b783d9c1099eba3c4d05677fe72fa3a7680d5f9e7eb519e6932e
- 0x337e14f9cce11e33184caecb6ec98c693eecc5830fea1299c2de2afb22472654
- 0x94077a4cd80dca7ef257bcce17297737fe2a87328ede5724d6c734dda6dfb1b2
- 0xfab107e7e699c2551224b3e217d431455e285ed86885a3af1d5bb56f53543828
- 0xd4bc04a601615658dd1287a6ff6d9573c541867e75154858051546d88c977c0d
- 0x02b0a7ec93b6c34c021179070342bd927244b4aa98e535fbe0d2272f3198efd4
- 0xdf88413f3a140d15bd0735d4468cf3a62910f3875165daef78a74eabf113302d
- 0x6e9d87a04fef00c22fa18287ecff0a67329b2220ad6c13e5b427555a547e1c4f
- 0x7e7a2c5f72d9593776258f7bb00b74f7eb7c8c48d9fd091a0cfe5d5524f21f45
- 0xb2b170d7ad5dcf3e55a540b203eea738dca48e14c97deefdf470883ad4b9084c
- 0x3f5b8a46d4602f78a712f9446b064f32836e36fd6c23e6658582d1139ccd321f
- 0x026aca682cb5dc6926296949fd7c047905eb55f048c3a7c3bfbbb67e9d07fee8
- 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
- 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af