Evidence row 2120286

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xZl8vf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8d93bbe4-6e88-43c3-9bfa-8e1aa9fb474f/.well-known/agent-card.json"
    ]
  ],
  "name": "Sisteon",
  "owner_address": "0x0551889e90260c48337d2f0ddf4db7fd46d1acf6",
  "raw": {
    "agent_id": "88690",
    "agent_uri": "https://centralcity.ai/a/xZl8vf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sisteon 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/xZl8vf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sisteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8d93bbe4-6e88-43c3-9bfa-8e1aa9fb474f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xZl8vf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:26:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sisteon 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/xZl8vf"
}

What the leaf hashes

{"body":"422a9f8ed6c2669e790a7a9fa03373d8177a4874a227570593fb71ac5443e1b2","id":2120286,"kind":"listing","method":"sync.erc8004/1","observed_us":1793618807096034,"prev":null,"subject":"erc8004:5042:88690","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. 0x2421df710d5ffdacf54f9dbd184e4ce03ad41d940485a01c3ba870fec4c003dc
2. 0x9430b94aa68227635969210a4bd095fd223d28829468ef8b054a1948885b8370
3. 0x2fe7feab4972cf96c4f7aeb0dbf8f63d4cd35ae9987337dbb5680495578d85b4
4. 0xc3c846d72bd6a54f3dead2f81f3d502b0c7a437ed50bf10abd11430737e48b72
5. 0xd971f0793d1d4383e5cf749e05c0bab25030d0e6fa1c0db2059e324bae8762a0
6. 0xfc45771eed25d68997c26b0c8f2d3790317c4072768e92fb688e388fd49693ec
7. 0xf23c866859fd2006b60003a4c3a4ce27b5ed70de90f5182403ba9c4c05c831f5
8. 0xcd55b0e7ccb57eea81687d72f7e9deaadfe7b124408eca4c6f2d8c3f27c69e1b
9. 0xf1428a6ab669e8134e67591a0d1cbc0a2a7f392b925c830c1dae24d072628668
10. 0x42a86c9642ff7d0325e1fb0efe7494205988807f609ddf574508b92eb51d487d
11. 0x3a95b7f83be6e1cefb59b8f43d82ff5a02ff887509e5cbf35df4f893a2bc775e
12. 0x251d841339877e796da5eab4731d6e687d4499550524134c4f906c15be505323
13. 0xf93fa2cd854f8a27091bbeacf6b201fd8e00bdda94b33ddd84474a8e39b2783b
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af