Evidence row 2303682

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VuMIVM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/749e346c-e2ed-40a8-ace9-dc976a995210/.well-known/agent-card.json"
    ]
  ],
  "name": "Kassan",
  "owner_address": "0x27a0e16e7d8bd7388280a46d4cea9528763d7b5c",
  "raw": {
    "agent_id": "142763",
    "agent_uri": "https://centralcity.ai/a/VuMIVM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kassan is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/VuMIVM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kassan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/749e346c-e2ed-40a8-ace9-dc976a995210/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VuMIVM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:45:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kassan is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/VuMIVM"
}

What the leaf hashes

{"body":"65dd451752c14cbd0a46ae00da3cd5a28fb574bc27db9b7f7a913b8757408bdc","id":2303682,"kind":"listing","method":"sync.erc8004/1","observed_us":1793663105767612,"prev":null,"subject":"erc8004:5042:142763","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. 0x7554716af70bbbec3d8464d8d2b8e73e5f35f0b9391d6eed7acc2dab311cde90
2. 0x0a341e56b42bbfc45ebb1354204f0f21d249121d6c4fa3e49dc4222d7c746ef0
3. 0x5cf6a51141b532952dabdea472281a33ead80ac178e1497034b2ffc984550daa
4. 0xf9626efa6b01be6352ad91145f6ec79d9225f013d24e5fb3b5297e00faef0c8d
5. 0x1f156f7ce65d23f2f57d9249e7b6757da81efd0912b27c971eab8772dc5f2888
6. 0x160464217e66a2bd73b1047497303d3282114768f0d63a4471eadde399285d79
7. 0xf25d027dd0d8f6096ea15b1460a4a9f00a988c62d917fecc7afe31ada62a8b88
8. 0x9b978cd99c475790bfbad58e8873012775bc5def30e2bb077b658755dece0ee5
9. 0xdaa6150ac983b387f555ea08ef40fd086ee308af9955ca39248aa303f4529042
10. 0x14146c18b763a686764f80a13ad201524627bf8446de44a867373969befd8e8d
11. 0x17f336620d19213ef9d6526cc969926d0d33f6b8c40b59024555f2fff36facbb
12. 0x5feec977b64b001b93395460c9aa81fb2cde50b38c4635f5557793eb53a80b31
13. 0xc661008e4484d030079bed4f257f712dbf632593873d45182aa879bd19ae8590
14. 0x05ad6b5d39c05b20c421cfd08a369494609a679562a35de106ddfc5164e8f853
15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af