Evidence row 1786171

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/K1bYZM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/016d70ce-297d-4291-968f-dec16628b98f/.well-known/agent-card.json"
    ]
  ],
  "name": "Tosto",
  "owner_address": "0xd4eb62c876dd8b0856fa925f283a0400cd54b91a",
  "raw": {
    "agent_id": "18044",
    "agent_uri": "https://centralcity.ai/a/K1bYZM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tosto 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/K1bYZM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tosto",
      "registrations": [
        {
          "agentId": 18044,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/016d70ce-297d-4291-968f-dec16628b98f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/K1bYZM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793559178,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:54:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tosto 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/K1bYZM"
}

What the leaf hashes

{"body":"736b3bd64ed20a50d468e11013ea855ab6ae1b5426fd605a5156ab02f176d68c","id":1786171,"kind":"listing","method":"sync.erc8004/1","observed_us":1793559262234956,"prev":null,"subject":"erc8004:5042:18044","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xbe49f5eb46e4204a8272dc263e1651a71c093876e76784bd18a4c8f505cf119d
2. 0xec6176ddf4fb3487fa11195b58f599761209ea2be6c1bcfc4686f4e7f5566d1c
3. 0x340056c419702ba78e62b12c6724caf728cc85ba26f0b052991eaff7d3ca5f07
4. 0xa14005cf6fd4f67ca9bfafc363bae7b042ac13bbf8a59988db2274c8c628f924
5. 0x01be896b56684aabcedb66c03ca2cbdc41cb64fd3c314fcde670d9c9327902f5
6. 0xb0b0a9fd72a30e6649f8c97671b0d8b36a0063bf54695f3420057817b5db30cd
7. 0x72b64348e2f4eacc178dab21d28ad140234ebc5654b0add02d16fd148a923fb0
8. 0xda2486e0782bd892f50ac8e03c7112793dbba99f929b5a9392ae5a8953979582
9. 0x264e069a67e5358a717218ec95f0575f632335d80868d5d46a55fee1ecff80c5
10. 0x2532bbc5e7be6d3a61374c7e0af54ca8815128e0c686045161c9e4a9e64c3d88
11. 0xa266b2d6f641bbacdf7ff00d69bb13c4eafa09e930d0776e6caede09b306751a
12. 0x8ebb808de5789dcf14373f5f3fd03871f8b82fc639ee069bbe62c2ce778d853f
13. 0x440640affa0661e2887ea1fa1c7c460096d8203bbc33a7bb6164b10e738c37ab
14. 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90