Evidence row 1816501

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nHmXGQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e8b4a33a-70cb-4d66-b224-e041cb2e9bf6/.well-known/agent-card.json"
    ]
  ],
  "name": "Robias",
  "owner_address": "0x2009eb99262fbed62c94ac054476c07362e15918",
  "raw": {
    "agent_id": "20464",
    "agent_uri": "https://centralcity.ai/a/nHmXGQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Robias 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/nHmXGQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Robias",
      "registrations": [
        {
          "agentId": 20464,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e8b4a33a-70cb-4d66-b224-e041cb2e9bf6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nHmXGQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561413,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:33:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Robias 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/nHmXGQ"
}

What the leaf hashes

{"body":"de41e4d21b97910ae318bee2d7d1d740280e42f36b2140cb859f5652786a87c8","id":1816501,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561587630316,"prev":null,"subject":"erc8004:5042:20464","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xebdb6b1d50be7a16c8c7829a4546cf13c88e6380c80e410ab140476ffc131e5a
2. 0x0b66a45cec0919204277f05ef1d436548e44f2c9074663093be6aeb9bb986904
3. 0x37a235435e0a90728f47bf32f23c7045adc0ec1fb306b70d58639e4c45313d67
4. 0x88ee942083f370f466aff0cf8901484d9189a2a5522ef280f413410141f2b2e5
5. 0x8acb6ec08f8b41e6c91731356cbf5f13e6cbee86ca4315bd2921b0ba501ace55
6. 0x54c9ded032c0888a9458373feda88c207570c42cd492d6c0ff3f25b03b80d1cf
7. 0xb396997e99ceec92b7dbd422d05fcff7fead13c84ac5c31b2f74ab410e81ff85
8. 0xc8db572af59302247cb6ac5de54e1a0faac414b3bb166745f07ca7649b3bac5b
9. 0xb693ae9bf77305f83436ecadc6cbb762101e2995214cbcf8e7034890761da408
10. 0x2aba60790f86cd0342a18b93fb2542a6b665ccc205a1a594d8c7571d18a54178
11. 0x6e4b2bf6501ea51cc3c81d4619b917fd8d16bc40cf1422c02096999f2e3d3d07
12. 0x586162bb9934e7529fd16769e1f528597ccaab0d9782aa49d73d05fc4cb15b24
13. 0x598a084bd520019422cd8fb5335eb9a224ef694f2125f139073e8eb90ca1503c
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90