Evidence row 2200640

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hWuKy4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c10ffc93-f79b-4754-8536-a9427e186dec/.well-known/agent-card.json"
    ]
  ],
  "name": "Fosteon99",
  "owner_address": "0xdaafe5dd111255c2c13df474e9055903a6638d92",
  "raw": {
    "agent_id": "125214",
    "agent_uri": "https://centralcity.ai/a/hWuKy4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fosteon99 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/hWuKy4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fosteon99",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c10ffc93-f79b-4754-8536-a9427e186dec/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hWuKy4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:13:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fosteon99 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/hWuKy4"
}

What the leaf hashes

{"body":"1ccf022092ab142e4f15ef89894dbac35816e871e68d1f31cedbe6f5bc1d0789","id":2200640,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646797855161,"prev":null,"subject":"erc8004:5042:125214","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. 0x2d73540ad8baed7d2bb5c46ec9dd155eee2629d766ab36cf50f74ef1143359cd
2. 0x4e76382a9b84ba60bef7e6773d6e284b14e675af557e1020d0a3c5fab585e8e5
3. 0xa9d4811a3e9a7b4d06ad8344e4dac60cf6954b1277db0f077d5c16df79c75843
4. 0x8b619851f4622f38e38d2be056a8cd8af3798bdd2cbe0053a20e4def0eeea6bf
5. 0xf5ec39f7af078435785fdd481c1768b7cfb16882f8c932249abafc4e04fe8f2b
6. 0x10d698a08327e9fd24ac745f003fbc17d8071fc17784a8d3ddb245e467857020
7. 0xfc4f659099610f968771573afd2786f73c0280c8688976c8761fb5d863a2c1db
8. 0x07b10b09c630a8fb946c42f2af62157619b0bd9e67a562dfc695690bf3c62a1f
9. 0x37685e317dca9d2b3c5620a62936506726df650bedecd53f5627c379ba86615e
10. 0xb54eacc3a5c5af7cd7feb0a89f7679f144fb1f8195e09c1198dfdd3e26e63e5f
11. 0xf841c7290e13c2f19f6233e2749504226882012e0f94bbd35c3af3acb819872c
12. 0x26d664b9a64503faf3758ae1668259d0b90ae74690be3dfcdbce789134ec2455
13. 0xf1aa667ce80c3cfa851957b2154c374229551d079e3666ba4d1ea5e32bfbe79b
14. 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af