Evidence row 2620499

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Mu6a1X"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/06d2be2a-d85b-4bc4-8fa6-4aec1f2080c4/.well-known/agent-card.json"
    ]
  ],
  "name": "Tassisto",
  "owner_address": "0x28bae7a12f9409ea51125873fd31862d3b4bc9f2",
  "raw": {
    "agent_id": "198001",
    "agent_uri": "https://centralcity.ai/a/Mu6a1X",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tassisto 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/Mu6a1X",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tassisto",
      "registrations": [
        {
          "agentId": 198001,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/06d2be2a-d85b-4bc4-8fa6-4aec1f2080c4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Mu6a1X",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793728577,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:57:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tassisto 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/Mu6a1X"
}

What the leaf hashes

{"body":"ff88ed29ad36fa166181ef691bfef07453db2c9a160a0a1b9ad3b53b308106f6","id":2620499,"kind":"listing","method":"sync.erc8004/1","observed_us":1793728644027099,"prev":null,"subject":"erc8004:5042:198001","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x7dfd709a3ca6ce931c52f5d98ea0e1628f201a5f47d4bfa6c7f5388e1d2d23a7
2. 0xebadff5bd1ee74eccdd5d3e96c43bcb2b0e156f6223a95b0c03ec4fb86d47e70
3. 0x5d0bd84506f18b01d3522c2e155685313a0ceec18536eb676a1994820e35b86c
4. 0x3d35d6f93d7df8aecfdf5ce195bfedf9090df71285e3cfb9e9bd818af599445d
5. 0xb174d5095ee42aa2920f1957dc002b6627fa1c5cc9717b01c081bfc66ffad696
6. 0xd49e7b7b422d39418c6a4ecbea7e49327b91b8319595e0b59e188c94747f75d4
7. 0xaed9a59fd3807f1b5316049afa67b7f447a811c8c70b528495cd8d5d6f4ced91
8. 0x54512dbfbe64956d6256a8e8d5c3d0612869fd0b400d74ea67277704b4f378b0
9. 0xfb7c297649451f0e55d3209e02990c70570eda16acc9d1a4ad625e7f52c5a249
10. 0x4dd1c709b2995aed0cf4d3baeaa108fc1b48f18d92fc58867ed279ed2185752a
11. 0x382c705e7bb457472016df6d183c97b374e4b68845a65704d0acb4a93931bdc0
12. 0x930eab3f039c2992e8821910301a1630ca2633c67e5c9e31c301963fd4e0bc33
13. 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7