Evidence row 1778227

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qELCNQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/de3a5e3b-bbb6-424a-9808-2c3750c63ff6/.well-known/agent-card.json"
    ]
  ],
  "name": "Haussabel",
  "owner_address": "0x810124843e83acbc584a9812af36737d00aea22d",
  "raw": {
    "agent_id": "13260",
    "agent_uri": "https://centralcity.ai/a/qELCNQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haussabel 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/qELCNQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haussabel",
      "registrations": [
        {
          "agentId": 13260,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/de3a5e3b-bbb6-424a-9808-2c3750c63ff6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qELCNQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553322,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:16:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haussabel 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/qELCNQ"
}

What the leaf hashes

{"body":"edd1fc545f1b6bab0d7239c67ff3cbf35abe3d0c4958b16d3dabb9abbb7c035d","id":1778227,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553412909167,"prev":null,"subject":"erc8004:5042:13260","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. 0x482d7d064410c8077e9267df5e4e05acd118c708879fe3d51ec71cdfc5edc1de
2. 0x90e8c488c59622b8e7e91b10fc00c01e8f2b50a640e030d613f21a00121451e6
3. 0x8dfd93a5fb5e3085de4aa3092ed3e962e72e18457c68cebcf58fade160bbc72b
4. 0x4b1bb400300f71da3a2eeade27b7581b40a19179589bd11081c281738d478494
5. 0x932b897cb125e1f4dd46038dc734e8198ac4ecd116cd99935394b476c7bf50ab
6. 0x71bf6c0dc473e8cb730678bf0a700c77c7e2d1c396b46c2accdc79a219aa28ed
7. 0x6cdc8eb5e68f399c88d36fd5cdb87d33369f0bd41d5b60e212702e8f845a705a
8. 0x126dde636417e1e15a5d29c7d72c202568ac790a02a33cfd3cbffb8478f77f68
9. 0x956775c6b0bcbfdb82ed6dfd79e8adce01365d2d29ce2106633f3fa0e20b2460
10. 0x7b15b573482b44315481eb346da161a3f496ba374bba068f33f1e241ef8da7af
11. 0x37c413412d62002e82180722a36ac7974f8e38205a585495e7db7f2c5cea750d
12. 0xe1deb8893d47682791af6eb6686b296314694437999dc8a60092d96cea41a540
13. 0x2fb27956c8711909c4c9d566a96f97834f5a24bc0c69233e771cde297811d69a
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90