Evidence row 2604919

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4coJvI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e4de6f25-f174-4c05-846c-414d23cbcfe1/.well-known/agent-card.json"
    ]
  ],
  "name": "Tassisto",
  "owner_address": "0x0a9902e7610b0d2e13ddf25828ea8977bf425623",
  "raw": {
    "agent_id": "191442",
    "agent_uri": "https://centralcity.ai/a/4coJvI",
    "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/4coJvI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tassisto",
      "registrations": [
        {
          "agentId": 191442,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e4de6f25-f174-4c05-846c-414d23cbcfe1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4coJvI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793720211,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:37:42Z",
      "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/4coJvI"
}

What the leaf hashes

{"body":"46b1bbc29db01266ce151b93cd8c4a2ef92d89c00a8b399feba26dc47668b1a2","id":2604919,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720262363407,"prev":null,"subject":"erc8004:5042:191442","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. 0xbbad1c153c1b29f0733ec5fb1a2ace4fe0e52956c1cfbc304ead57175a9dc3d5
2. 0x0565b8d48427dfe0aaad9598ee580c71005005454f20e4c6039e342cb91a26df
3. 0xc2026f867076f6e60efa77234f6f5eac0757342ab336d2cfce7d95082012124c
4. 0x2de0d36756559ee19ed655991c95d6eb77ad4cdca5d7f065d4f7eb413c37cb8f
5. 0xbb226d4c40beb639884340b81c310129019ed07261f79cc796131dd353fb8b42
6. 0xb4ef03ba6065e2508ca0a1c8822a30c6b035cbf2155040e59162939f83c8e2b5
7. 0x3d176ed2ee6ac44c64d7cdb645f4273c328abd58227f991709da51e4fd949bd9
8. 0xb639b926d63aff4065926934f3f8211ed7c44a88341231e72bd199b10a6a17d5
9. 0x6fcb39316e3d4441f9b386cf6782ea28da1f7eb236c0d55d2e139fb8b37aa0db
10. 0x1cca64dc0611d97571a3c13e38aa929f0abc4f4b53711f9de1d0d910b608cd13
11. 0x8334409da700754b124c202679c755deae26ce38699f8fb42d0331e02cd3721c
12. 0x7ce601fc96d647ce2463507747a850bd2b37655c54170e4e68ac13eab78c269c
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7