Evidence row 2553989

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NKm6MW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a00c71c8-4eaf-4aef-bb52-817dfd623336/.well-known/agent-card.json"
    ]
  ],
  "name": "Piotero",
  "owner_address": "0xd3513de15404889f4221788373ec2fcfeeb67076",
  "raw": {
    "agent_id": "169955",
    "agent_uri": "https://centralcity.ai/a/NKm6MW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piotero 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/NKm6MW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piotero",
      "registrations": [
        {
          "agentId": 169955,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a00c71c8-4eaf-4aef-bb52-817dfd623336/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NKm6MW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793694266,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:29:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piotero 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/NKm6MW"
}

What the leaf hashes

{"body":"50b8a5bfe7563c9b05428a2be48eccfac073f0cfc15f90a5b7647752bccbc75a","id":2553989,"kind":"listing","method":"sync.erc8004/1","observed_us":1793694543347498,"prev":2553766,"subject":"erc8004:5042:169955","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. 0xf2d43bbca891f0a5b8f9d151c5113ff636ddb6faa5a4a8f4b575cf045e4f2584
2. 0x977523820a9449a269bfb52cdf15d4b25789802caf534a3d7cb73478f03b1fbf
3. 0xb01faef093c32fef933e9efa74ff1a583b32a3f1bb3db60ae857e85eaced0adc
4. 0x9da852a3930d809256302b2c1b04dac46699aed1478d7f5602d9b7b6cffe3477
5. 0xa13865b26748194fff90d0a88e687957a98d91e5c1a747170fa75d7e4f57a56c
6. 0x0d9690920893b5e39558f35666775b8aab33d6f74a62a827c33e038d03a3afcf
7. 0xde8489f2ae15c48959108425ebb7b86ea56b55eaa156445d8775d19a261e5e58
8. 0x99b90a9a7c59b6c385eceab8215935bf39867a49f2937e8de016b7688cab2f42
9. 0xe948a536d788e22697ec18e5f6a339816307a82d3d5959f76a5ae4010e7dce35
10. 0x64e8a40ee465edbd89fd4101bba6aa66b17ee092621616f143c6f863a8333ac6
11. 0xf17dde849505eff91b405a03ff1a5649cfc3f488251b1affa309d5963e24bede
12. 0x0d5cfc88bbad0c4b40a561ea1060fb7093bbc663a0c9b1ac75a449bd2a0fe549
13. 0x0ea954b95dc4e26bb21744a0d424db9da57e2da18185ea0406675355cc4a2429
14. 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7