Evidence row 2121020

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/olpXrC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d0160c78-34ed-417d-8d7f-704ef038069d/.well-known/agent-card.json"
    ]
  ],
  "name": "Kamjo",
  "owner_address": "0x57b024e0797e37a57018bad097f5b9d99f5adf88",
  "raw": {
    "agent_id": "88788",
    "agent_uri": "https://centralcity.ai/a/olpXrC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kamjo 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/olpXrC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kamjo",
      "registrations": [
        {
          "agentId": 88788,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d0160c78-34ed-417d-8d7f-704ef038069d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/olpXrC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793618853,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:32:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kamjo 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/olpXrC"
}

What the leaf hashes

{"body":"078c5b2dfdc56234bc9969617989e34e9e42b9b2919aa5ffb5dede2acead16c3","id":2121020,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619167494962,"prev":2120384,"subject":"erc8004:5042:88788","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. 0x488d3e4e774ab3723ed5b82ab469b580fd04bc7cea1a4abda12e522bc9ec6741
2. 0xfdd8c11c084dba9a0dc440a6e23ad872c833f3934614d7dfcc407af54357bfde
3. 0x2b793c2676976dfbea59cce1fa316c1aec1b3362839a954902b4147dfbc5291c
4. 0xbd262ab11329bf388d222770f03730fb77f7f8c70755effb156d701b3be1388c
5. 0xb1b18d9f068d6d3f6dfe0135370ad3ad1b89c6f3b3887315832fc741fab077b3
6. 0x2831ec8559baff19c2ab292b67208855cd006717757f4f685832752fb8adb866
7. 0xe28debfb0c5701f7d4eb019a692a093ac2f88c1242f856ed82c5373c7e9021ad
8. 0xedad9937c004bd0e7aa3674f3ee74e10fa1c39dedb5f1075787cd30e0ececc54
9. 0xba4a17ea618fc5f1e81b0f8fc05cd29a866ccb9f33b856778ddbcb9b0a753f4e
10. 0xa29a06bb432517490aa4bd4ef696817ff3a50f8171aa31fa575f775498a554e8
11. 0xbcd5e685c0a2acfe1a8a257e02dd8901ec54673d2856b455aef8f6e30e7d6de7
12. 0x9a1ec04cde3d9cc0841a4ecec0c42382183aa9beb179e075a86323d4b9f1e562
13. 0xa3336de478ff1096fe3a4c0522656d3a2923e8e721fe01f8fd137ddc7734c22e
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af