Evidence row 2560377

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SqjoD2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e99d5b90-80a8-47f6-87b3-b8caea404d3b/.well-known/agent-card.json"
    ]
  ],
  "name": "Trefis",
  "owner_address": "0xaaa136333ed2f4380e619e09fac89e969a87d1d4",
  "raw": {
    "agent_id": "173566",
    "agent_uri": "https://centralcity.ai/a/SqjoD2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Trefis 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/SqjoD2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Trefis",
      "registrations": [
        {
          "agentId": 173566,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e99d5b90-80a8-47f6-87b3-b8caea404d3b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SqjoD2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793698434,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:37:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Trefis 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/SqjoD2"
}

What the leaf hashes

{"body":"b8f0095f6f88e8dbe079ed4848df41a5863b1ad1a509069ffbe4d054701e2737","id":2560377,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698622465941,"prev":null,"subject":"erc8004:5042:173566","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. 0xf80d07da13475ae737ffc5ffafa2dccaa1521965cc8f1c1a0cd71745645f4a94
2. 0xb69f18e87a86631e16100b21af03b25f95316d1a036301377d3764f295b58821
3. 0x37502246133dfffe55e7d165bab2c94229bfe20eceb53bf47d2d32d5fd467310
4. 0x1be6dda881e20f50f5dc15d7c8385e947eef65d190ba9b981e7975cdd1e5f7b0
5. 0x45c4b2bb4098613394d510fdd050a8fd935f51fb92200b760162bbed6699f7a4
6. 0xd8a7cdb927b76ca5388482d7231b1f03c28b3f01499cb8f7de2162eb384d4e3b
7. 0x62eda14162cbcfd4587359eab9e87e2164e2a6a07359e6f42def4b9e923357ce
8. 0x2902398872b77a1c2a3713c126d5cb30b29eab215901ba1840bf7c12997275e2
9. 0x83f902d07793b27b63cf5a1137de54d4254d3aed08978e5b1b34ea3e0b246705
10. 0xcf8fc462307c58b79cd1e4d422364f81b849dbe3c7f3891b26f9b38bec00c2c5
11. 0x0c9e50b1d5d6d1f7d8f6df31b970e3e85a3364c976e99f5486e7b7aa428ab8af
12. 0x69d570430e0680b935f4539583daa1fe38a7c04eeec03c37ae6b8c6c43cc3040
13. 0xb82c6f9993ed0052af72159e6cca836ea7f9958178a63f242d6957a81b24911d
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7