Evidence row 1773531

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Jou4M0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/843d46e8-800b-48c1-86dc-00b5a3b849f4/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassert",
  "owner_address": "0xdd3d507ceea3eb956a2c835b526e8fb020017e0d",
  "raw": {
    "agent_id": "9246",
    "agent_uri": "https://centralcity.ai/a/Jou4M0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassert 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/Jou4M0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassert",
      "registrations": [
        {
          "agentId": 9246,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/843d46e8-800b-48c1-86dc-00b5a3b849f4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Jou4M0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793549633,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:14:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassert 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/Jou4M0"
}

What the leaf hashes

{"body":"fc976d8909934f1cd3209f930a3c493c640b2fca00fbfa4a23742690665d21c0","id":1773531,"kind":"listing","method":"sync.erc8004/1","observed_us":1793549690549104,"prev":null,"subject":"erc8004:5042:9246","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. 0xfe93f5b252a4c529f4f4894e0242ac509a759dce618847470d3530a1af31701b
2. 0x7bdac872580ca2a081b043e6546c9b0239f585e9a6f23399e07effe4a9d16a1c
3. 0xe1fea0ce2587ce93cd1b13b18c8dd8ddd96a0e31095fe7e5a563e246ef12809a
4. 0x4bbc6445f7f8f67a9d43827b27d519e7b1376b4254d9a3d2013bfc52bf60d21a
5. 0xa06151b91536014df3a3f6ff20ec754ca178364ba8c687ae8710ae7cf86ebbec
6. 0xefd051278fae8d097ca83ae7c151dc16672e3bce2b8fb52fcf3bb7b7ba59852e
7. 0xcc350c756909e53b1edd4c60c0079f390f5b53df66827bbb107153e00643ef69
8. 0xf528054ffb525293b22339002160f0f1190e5b3098d934763007cf85e387a7b8
9. 0xd79f525532699cfc6b415031c25936a8738c2806c02317202c13310077eb557a
10. 0x564bca6f173e82154fde42703fb10c739c2073924fb48e5d7b4f3a4b784b03b6
11. 0x427f55fa61b79f8cd2e998cd7af23451515617d28a7e55fbee0bf8cbe2607585
12. 0xf7591c985d9cb23ce20ca955bee97f41fd017c55aeecc11989372ad7a6b425a1
13. 0x904a0ef836cb4b2dd139024d3379cfab31fd3b5798d155735069733eb5c3551b
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90