Evidence row 2192914

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/O9JE87"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f469f60c-5a15-46fe-8279-a80f5671c991/.well-known/agent-card.json"
    ]
  ],
  "name": "Kumias",
  "owner_address": "0x848b1169d5b0f98889e74fdc9b638b4e6f58c96b",
  "raw": {
    "agent_id": "122307",
    "agent_uri": "https://centralcity.ai/a/O9JE87",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kumias 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/O9JE87",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kumias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f469f60c-5a15-46fe-8279-a80f5671c991/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/O9JE87",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:36:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kumias 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/O9JE87"
}

What the leaf hashes

{"body":"cd314cf9e0f324af0ba5cbe732c658dfc4ecab5e51dad9da2447c2156fb7ea08","id":2192914,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644615578392,"prev":null,"subject":"erc8004:5042:122307","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. 0x8c26020bc465481f5d44072b24963b56cd030eacc1bc090ee0e99471dee358a9
2. 0xd7bbeec6c70238c03f8c1ca39d24aba1e5f08fc956e567b6c5d41a0ba33d2165
3. 0x38ed00e84f12fbc3143f9435f840c1b5960965db2802c7d409d4934aa2f3ec68
4. 0xb3ac7bd03ac0a0d118e19b4f1743e35307780b0d95be1615f4c8d745c02334e4
5. 0xfae1b36599ac926a2af5440574e4dba7553f22409aa70ec6e1022b32812b5626
6. 0xe64051f36636e559025b64c38bd231892152e5ab6d37822ca2803c21e2e07cde
7. 0x55f7d079d8700186e63d07b9f7c45a09bd008e89095018ba762ab30da2d5ccf0
8. 0x4ac2ee41d00f1032103a62c8a6ec10050aa15b45893efdd0f79102d1fcb0a095
9. 0x6df5342eb4de846d3aef04736a719b3216111eca909fc08efcca1f87c6687001
10. 0x6fb06b95a0ff86be4b796a22cc74f35192f8da377d03255b7bd54618b9064520
11. 0xdedcc59313093f94e354f9f5eae92504749db7bc2b630e7f57de8dcba9fb5081
12. 0xeb929035f29f206d033b8132e6680865043bb8a18b5a9d2ddcc88589b82478a5
13. 0x749638e83897749b17c0b5a0587a19541d9c0e6d95590918e98f786991029466
14. 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af