Evidence row 2149195

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/S4kEfT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e784a94c-8dc3-4d07-946d-8132a2631517/.well-known/agent-card.json"
    ]
  ],
  "name": "Nizon",
  "owner_address": "0x9f823fc6bc943bb532c1e590816c4ef1bb821358",
  "raw": {
    "agent_id": "100470",
    "agent_uri": "https://centralcity.ai/a/S4kEfT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nizon 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/S4kEfT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nizon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e784a94c-8dc3-4d07-946d-8132a2631517/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/S4kEfT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:51:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nizon 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/S4kEfT"
}

What the leaf hashes

{"body":"f91b126913e05ab79cc9cf6e128af3bd199b258de7701cbfe81900f3f6e5b4da","id":2149195,"kind":"listing","method":"sync.erc8004/1","observed_us":1793627475053998,"prev":null,"subject":"erc8004:5042:100470","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. 0x50adf6eda3ccbeddf4f35c3687e536df5131349738671e5ccf4f8ed443615693
2. 0x1299d8c2625721b8180edc82a77670c503b7bebb37989d2bd14bf2912ce159ed
3. 0x7acf3e4fbaeb13665a0da1a25a6c8e57f3afa85559ca4e542516e266e959c5f9
4. 0xec14382be02f064c888629e0d23147cdd968137ca26562a15489c4f37cd89d20
5. 0x73a854b195b52b35d1dd127fd359743e97d21e2c95a164cc282531f82ad7bd93
6. 0xff23577775c0c8daa573cb6d3997663346fa2610ee84c1107cb41e2581cc407d
7. 0xf69369bb70e14532fd0d1f8eb0038de9764c8cdb89172ccb143eccdce3e26c4f
8. 0xa91ad1d54956aaf0b8e6c9968b4d50f7a4fdef07a9f47a15714b0adc8f9e4363
9. 0x7789b87d77201434d3cc143bac592d104d1133b4ba90948fd69339cdb7f02f70
10. 0xecad6aff66b316058dbf2e8bc92f14d8971935909e4ef5be724cc39b8a5575f1
11. 0x3f5fffad2668ae3c9ceb042c4134cd873b781240805b82b02ea21269e35be287
12. 0x35f84c0e4e28cd4a63c3ad6490420fe24bf67bba5f080e714a71d6cb0d991695
13. 0x2f0e87a22fc6aaaa04d17a8f1c5dda340b8d3c208a1b8e26986aed7f54ec42a7
14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af