Evidence row 2155730

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gSNCqh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dd44c0d2-414c-484d-8d51-1eceee2461af/.well-known/agent-card.json"
    ]
  ],
  "name": "Niobero",
  "owner_address": "0xf12cf23435f30f3f305083606b2113ff11f3a91f",
  "raw": {
    "agent_id": "103234",
    "agent_uri": "https://centralcity.ai/a/gSNCqh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niobero 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/gSNCqh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niobero",
      "registrations": [
        {
          "agentId": 103234,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dd44c0d2-414c-484d-8d51-1eceee2461af/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gSNCqh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793629658,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:33:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niobero 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/gSNCqh"
}

What the leaf hashes

{"body":"e7409aa27f3e9cbb98579acd8e604dd25c6480935df1fddb587d96911788c3e7","id":2155730,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629990157217,"prev":2155175,"subject":"erc8004:5042:103234","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x81c7490e99d3e6a7db0a367b6deed71ae84e04ef29f04176d8846ddfba031df0
2. 0x3da59f325a9784046a40c42be9470edb885c78346b7a61c556d77ffe9fb7ce74
3. 0x4019b7f1316207b0e099d184369568f8fbbb5e9cbdef369d4167662cea36a4d4
4. 0x4b230989db4c221b1ecae944ae02e19f5784ff74207e884e37d5f7b6fffbca36
5. 0x4f2acd113518d8817e51ad6aa351f323591398f4544eefd7702a6fa43e317e97
6. 0x50255617fc483e8da850822dec9622d3ad875cef0521f3ef109794b7c6d5da02
7. 0xc282bd3b76835a3064f623025861888531f75b3408f750288f9ba3094ec19612
8. 0xb1003c8b9715a98319dfbd700ec04657b9845bd9ac36e450cf45f6f39fd3fbde
9. 0x3ac90fa69c4ece1b0f940cc327b27cbaccd986e6e5d817aa2dd6fbe1bee53073
10. 0x1bd63661c027eab5311633511c5695d215515cf1bee9787804cf4bc08c0a00aa
11. 0x1fcc62b860f05e6d608e0f36cdd791fdbd0a6f06270969f306770f4a1d3eab15
12. 0x3fd83e30473e926f4e4e16bd737d7c3c794bc8304da6d47a1d7ca29d12258f04
13. 0xf82dc9b9d8e081f36e55e80fab45654768c11eb158257f63f8ca7ff17d181d54
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af