Evidence row 2521589

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4OHmvn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ecac4b89-2efe-4c77-bb8b-5b3d438e086d/.well-known/agent-card.json"
    ]
  ],
  "name": "Tessero",
  "owner_address": "0x9b67f080f1011a719ea941428e1ee5ac58c423d2",
  "raw": {
    "agent_id": "157048",
    "agent_uri": "https://centralcity.ai/a/4OHmvn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tessero 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/4OHmvn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tessero",
      "registrations": [
        {
          "agentId": 157048,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ecac4b89-2efe-4c77-bb8b-5b3d438e086d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4OHmvn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793679299,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:19:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tessero 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/4OHmvn"
}

What the leaf hashes

{"body":"784439bcb401f695abb251f03581adb60a835aa0ab06dacf373fa7c68d9ce9f8","id":2521589,"kind":"listing","method":"sync.erc8004/1","observed_us":1793679575885012,"prev":2521101,"subject":"erc8004:5042:157048","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. 0x6548b05e05545cf7494a98da9add4cbd0c3de2ed473b6fcb821e37cb03e7d044
2. 0x83c8cc3a5a204e1e431a54bd8b6c798db50ff9f99e9751dcd0269ddc464e993a
3. 0xaf6bafbdecbf494d844736ff26466216c75fc07dd79e60b172aaf6ecca310bb0
4. 0x90b2f3942ffe55001e5905c06e868b2d32d376372713d633b0d4ba0fd8a08f1f
5. 0x1f1f3f5829c25f3dfee88812b636e455e83a4209fb183c32a915a1a6de0fd7ac
6. 0x5ceef7d15c0fd0142a41402945035b1bf5cf284a743f388e80950bbdd782dca0
7. 0x92273b11353a73ba3396043f6bfe456a5b3b8b9b7c683d1f7ed9bef914cfaf52
8. 0x189086c3be08120dec13192d61c36ff635b20e295821291abbe9193c2aa4c318
9. 0x90090607d1d48dd1689ffa55c95267aee7e69ed47dbdde6798603eed2daf237c
10. 0x4bb8ef04f4e903050939d6e0bbbd4948fce9a037354d2cf509e54110cf95981d
11. 0xa5f6c663746837d88d222beabf21cd4480c182ef624ab11a4c4e6d1dba32e907
12. 0x5b3253dafc547f64119cc4e9e0e1dd01aca08e4a6206c31fda84553f503da805
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