← The evidence ledger
Evidence row 2113512
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:85405
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fc0cd16691330d146302298a7080c062183867b039fb45865b71b04ab0b4ede4
- Leaf
- 0x38884d1c6369b33aadde2ab05aeded6e649dcbcf98ef74deacafeb8008056ad6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/nWpQoT"
],
[
"a2a",
"https://centralcity.ai/a2a/8616070f-b918-4b2e-9d35-488376b2d2d9/.well-known/agent-card.json"
]
],
"name": "Sempus56",
"owner_address": "0x0389275e24e78b585348a70e36a2fb326bed9051",
"raw": {
"agent_id": "85405",
"agent_uri": "https://centralcity.ai/a/nWpQoT",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sempus56 is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/nWpQoT",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sempus56",
"registrations": [
{
"agentId": 85405,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/8616070f-b918-4b2e-9d35-488376b2d2d9/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/nWpQoT",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793616268,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T10:48:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sempus56 is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/nWpQoT"
}What the leaf hashes
{"body":"fc0cd16691330d146302298a7080c062183867b039fb45865b71b04ab0b4ede4","id":2113512,"kind":"listing","method":"sync.erc8004/1","observed_us":1793616527915039,"prev":null,"subject":"erc8004:5042:85405","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).
- 0x38887a6e3c38e56bba70f860a9be3ec777f3aa6b6f3ef9a26024e73c6b7b7efb
- 0x7cb0f1a0beca4934cdafe8bf8ad69968b7969604e5c4d955c96e1792f69bac90
- 0x0b7b73ff4d328cf417538a3b1bcc2763b7f03393cea02a217d3564ac63de951b
- 0xf570c21afdadc7e186854ae47e69f9e2e57e1fef0aed112cee6d2961ffbafb7b
- 0x0d4868ecae84bd433deb28eaceddd48d8b9ac880229441b2e12c62a6ef8af417
- 0xd3dc8534c196cb05930a6bd0b2a6d01d9634689d42a9d201af063e47becbe510
- 0xfa3aa5fd33be7f69cbc065d1fe35e3fcaca6d130c014e6c4898c5141f85a3377
- 0x90f112b03639fff8b78707c930d1cad50f9410fb9c47d315fef37f05c8ddc84e
- 0x78a7c91f163568b7c145f572dfdbf77b0cf7ee9be41c4f5a6ab64431184d30cf
- 0x7988e8e8e372423c52ca3d7963e0d4e20f72807fe77f1aa2438baaf564bff7a0
- 0xb107f6cc667be020e4ece08fb1929e98c19e28e28188483bcafaf893cf12f8fc
- 0x0fd72956710df968a8f58dacdfceb8698025772998960cf002c04225c3ba96b2
- 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
- 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
- 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af