Evidence row 2186600

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/osrFDD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0130fd7d-aaa8-4bd8-962a-53e5b397badd/.well-known/agent-card.json"
    ]
  ],
  "name": "Helisto",
  "owner_address": "0x3a9019738f0851e7b1adc7ac6235e613c64a1be7",
  "raw": {
    "agent_id": "119378",
    "agent_uri": "https://centralcity.ai/a/osrFDD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Helisto 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/osrFDD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Helisto",
      "registrations": [
        {
          "agentId": 119378,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0130fd7d-aaa8-4bd8-962a-53e5b397badd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/osrFDD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793642494,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:06:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Helisto 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/osrFDD"
}

What the leaf hashes

{"body":"b661b00be137df7672fc97d93d78fb074e790cbfe5e028dc498009d703b30d66","id":2186600,"kind":"listing","method":"sync.erc8004/1","observed_us":1793642790500766,"prev":2186137,"subject":"erc8004:5042:119378","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. 0xeea87856d2364b06ff66db86bd3f48eac6e69cf4b4e3e32c644f9af6da5b3d04
2. 0x7f59b5ee2f577fa43eb0036ddf0b5842fbeeaa1a0d845cd05168e37df156fd30
3. 0x3a253edeffe25b8904babfe9bd43ccbc1f39fb491864b42c6c19e08e408e59c3
4. 0xf2b3f9c5220ead4b0c004624f4e2fb0f2c41c99a43239457e19efcca8ebcae2f
5. 0xa234557774b5aa084f0d7d5da0561dd8b2e1bf1684dc3493e2feb6acdd291925
6. 0x09d43db9caee2ee665e217e9af57d094108182c3d47dec315c42aed12ec148c0
7. 0xce21572dd5d968643e6caa1aac70f92abf1435bf2feaa3f6af1c094b832a3e78
8. 0x4c135c4e634af5db614072d852b869cc5a6d86740d83c4796cd54bd7dca59902
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