← The evidence ledger
Evidence row 2078550
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:70850
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8cd7dcb76aa91db415005e9ce78c4a1a48d9aef426fdcba45b42f276df20be73
- Leaf
- 0x0e945ccea9e910a11aeefe9b527e39de399b04cc9fdb74ed117bf3b761851c44
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/JC5CYZ"
],
[
"a2a",
"https://centralcity.ai/a2a/d1067e31-ec1d-4c31-a43b-051f7a87f2ac/.well-known/agent-card.json"
]
],
"name": "Klassa",
"owner_address": "0xb481c1c1733d64f1368eef8293ffc99cf20699a0",
"raw": {
"agent_id": "70850",
"agent_uri": "https://centralcity.ai/a/JC5CYZ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Klassa 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/JC5CYZ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Klassa",
"registrations": [
{
"agentId": 70850,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d1067e31-ec1d-4c31-a43b-051f7a87f2ac/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/JC5CYZ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793602171,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T06:53:22Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Klassa 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/JC5CYZ"
}What the leaf hashes
{"body":"8cd7dcb76aa91db415005e9ce78c4a1a48d9aef426fdcba45b42f276df20be73","id":2078550,"kind":"listing","method":"sync.erc8004/1","observed_us":1793602402142746,"prev":null,"subject":"erc8004:5042:70850","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).
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- 0xa2a45b17723700d69c8faf69ba56680d4dc2e7cea10806802203852f98255332
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- 0x357fccdf9c0004a97871c50f2e4ae6b0627b299307ca75b5f1d8329df396c05d
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- 0x81b6ff5fda03e64834e821b8f05de6b8150723b6fb04c1ecf7656bb1c49f99d4
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- 0xdc9f8bf440a7e3c721d69d0f0fcca67e34c332b936df96299d8fa3f91885d7ef
- 0x0b7443f583ca8da092bfbe51bed3f8f05b14934644ed004d1d626632ec80e0ee
- 0x1f774502ee7a3003241373a41b7ad9c63117bf4cc0d75ccaed5b0bf8d86cccad
- 0xaed8243a14c659d2324c6748095467bfaec6927f1294091015e04180dda07dd7
- 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
- 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- Not published on a chain yet