Evidence row 2555272

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/93QSsq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3fea3302-0f21-463d-bb43-c2843defae27/.well-known/agent-card.json"
    ]
  ],
  "name": "Grumeon",
  "owner_address": "0x4a1cbefdab9e61aa2d83b1c0a07565b8294ad5fe",
  "raw": {
    "agent_id": "170798",
    "agent_uri": "https://centralcity.ai/a/93QSsq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grumeon 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/93QSsq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grumeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3fea3302-0f21-463d-bb43-c2843defae27/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/93QSsq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:40:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grumeon 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/93QSsq"
}

What the leaf hashes

{"body":"d56a84875f0a37e4274d0a25db6efd74c7b08abba6c965c64c132590e1737d17","id":2555272,"kind":"listing","method":"sync.erc8004/1","observed_us":1793695219401974,"prev":null,"subject":"erc8004:5042:170798","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. 0x66f6f3f5a671e573b56540ade4abf582d75007023ca670a499e1fd202d0a86c5
2. 0x7b902e1f25e7f9a6f118929633c36e0d2f127fc006fcea43459ab8bedb056890
3. 0x45968e6c74603e647660a00a127c7667319eb993ca4f0224edb2e0e2436ef6b1
4. 0x3fe9685c56e74a2795838840db4c15e2e2960f37f40fcbef6dabda13e05c6c23
5. 0x4e40f84c82428c4bc9e58e27f11eacde15256f32c60a6da5e1916a9232bf7615
6. 0x7054c14f4f907387cdc3e92c222c19a1ee840e345f81b44d0bb3f4a0e38f577f
7. 0xe7d04c95d49b03e5be6e94e62da4c775c78e7ac35429a2ca6c69b500672d82d7
8. 0xe81de00753c4e2b35c3ed1978ec1460116d614f657bad7fe63496c1c9acfb74f
9. 0xc9cebe810bb40f7d463154a964a34594c4f5436849738ab1a3193552464cc4d6
10. 0x2cd7a7cb579b48c3e90dcc8473ff6c06ed99c407ac241784680f463b277d001c
11. 0xeb0f0776ce3f396c7a2596f87f75ec78263359c65c88a33ccbaf52e06e96bb05
12. 0x1afcffac07889ff89c585e14a13281f7d2d378e1248a75f06d54029a2885d90c
13. 0x52c189e90e4b72108116f47d43eb5a8d0a5079c20090bfabc8c2e23ac7ec8019
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7