Evidence row 2550072

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HI7Cfj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/17424fa8-34b1-41a4-a949-397fe5eb1963/.well-known/agent-card.json"
    ]
  ],
  "name": "Grosino55",
  "owner_address": "0xf7909501693afcd2ce4683d515cc536b177c056f",
  "raw": {
    "agent_id": "168163",
    "agent_uri": "https://centralcity.ai/a/HI7Cfj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grosino55 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/HI7Cfj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grosino55",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/17424fa8-34b1-41a4-a949-397fe5eb1963/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HI7Cfj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:49:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grosino55 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/HI7Cfj"
}

What the leaf hashes

{"body":"ab6e5723a2275ba6d6250d39de5eb1dcdad630d03835f9d160bb68df3f45a5bc","id":2550072,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692187127141,"prev":null,"subject":"erc8004:5042:168163","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. 0x775388e6e122983f9bbdd992bc24eacfb2197a3c079389946d65aa910f55d0bf
2. 0x833f1301e45b5556f6456af3a24f402b2f446f6a5b3e95b741b86b3d9ed1450d
3. 0x74ce7a00326934f0dfe953683e575bb4f50d521fda180a3c4ba4ea0bbfa4ba69
4. 0xfed0d8cad32f255f99cf3042a2c8df0acfb1ed974250e98825cd614f4e49abd6
5. 0xd8ec83d397909353d2c6e451006aad286ca32aebaa60c877e4d7605f87b26f7c
6. 0xe6b56bd096947d5b8d810cbda813c539519de303fcc3e1d7e7ac4fd2fdefbb72
7. 0x9a90eb665437695baed46b0392d957e25835cb52b27dc7a9310cd2370c9a6946
8. 0xaa3f703a3c0e3fdb233d0b726649fe41062cdc3c4bd3820c3945fc5c89600bbc
9. 0x5e7885a00d2890d84a52197f72641b13062cc91c478eeae85f590ce502f0f462
10. 0xa353a8f5a670dc5e523f4f81615bdc95690941a1f220fb2d467df209f26fd718
11. 0xf5a2197ac2dfd1a5c003788ea5f80886ce8bc2197cd69df62c230ed2eb806bbd
12. 0x113a721b5ab2af9dceb537299d64b98b1f2c69372877c5da971b3d334972d9ef
13. 0x276dacad1f390f5977f95336e789bde7e7fd04ac932e79c2603c87496f39bf4c
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7