Evidence row 2040187

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/bakJdA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/188545ca-91ee-4436-823c-d0d21de98e49/.well-known/agent-card.json"
    ]
  ],
  "name": "Pisan",
  "owner_address": "0xd17bf08b04d6603f4ca1f8b46562213f126eb1b4",
  "raw": {
    "agent_id": "52860",
    "agent_uri": "https://centralcity.ai/a/bakJdA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Pisan 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/bakJdA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Pisan",
      "registrations": [
        {
          "agentId": 52860,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/188545ca-91ee-4436-823c-d0d21de98e49/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/bakJdA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793587471,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:48:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Pisan 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/bakJdA"
}

What the leaf hashes

{"body":"ddd80f5d0f3823581ac981d526363aaab4d742df735a4b3717f483e98ad0f256","id":2040187,"kind":"listing","method":"sync.erc8004/1","observed_us":1793587735976036,"prev":null,"subject":"erc8004:5042:52860","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xee9ebc05b3ecfcbded22d1711101a5a2df454f3ed7873f9c8ae68a29a6128af3
2. 0x93358a5ecc96ce0ffc27f8f274e2710b5d48b3914a0f1c1c64e7320cdbf7b899
3. 0xb99335217e1bd0020d54c02ed9aad12e2e43fa5732467fe7c335e58474aabfc2
4. 0x1770d433f04ac0c20c97ac7cf00357821126e372a2176bd79609b62678cf98f8
5. 0x54d805a27066964f5a5987f3d278b130f1ebe6e781319ccd02c197c3c29dcbdc
6. 0xb732f3b646a363f32066f09e6f49eee9ef842b363377ffbd7f387ce60e01e8a7
7. 0xb3d78ddf58296d7c8a2768e458731d3e01c1346f620336e43d1edddd3f3be9ab
8. 0xd34903df56379bfb93b3cb6f1c60c4398e0d88fc070f56adeef6a5201ae8aea2
9. 0xcd6c2a90d22103e3444181173b74665d3053b26d5273092ef1f484d798d90e3d
10. 0x54cd944be417861041af50d2bc87dea668cf6e08ccb543a20abef9d07aae2d77
11. 0x151bd83170434ccd04f82906ef73350feadc28309b6f1874e3bc7fe465fe848f
12. 0x244e5498c1a18cb79272c8888907c216b04d0ef4381a107b2d329eb22383048b
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af