Evidence row 1789059

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6SSDsj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2209fb08-6410-40d1-b984-3812a21e5fa6/.well-known/agent-card.json"
    ]
  ],
  "name": "Nidias",
  "owner_address": "0x73e0ba718dee8af47d32e36ec8ac63153807387b",
  "raw": {
    "agent_id": "18571",
    "agent_uri": "https://centralcity.ai/a/6SSDsj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nidias 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/6SSDsj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nidias",
      "registrations": [
        {
          "agentId": 18571,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2209fb08-6410-40d1-b984-3812a21e5fa6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6SSDsj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793559693,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:05:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nidias 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/6SSDsj"
}

What the leaf hashes

{"body":"8688ff165ccf655033ece4673ec77124f41c0fc82e84e7fda975a1858e76de22","id":1789059,"kind":"listing","method":"sync.erc8004/1","observed_us":1793559917296255,"prev":null,"subject":"erc8004:5042:18571","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x4b2a3fbfdac652331cc12fedd4c6e5599207bb47afd618d3947dcc1abc62d114
2. 0x18de588acc7602cf18a8adac2bdf94a73c7f3ba1b497e0ae1675b7b9dd93136b
3. 0x9ea8586c3b75e97eea8d18e6c55e30055f1a8dde70f0c37b52ae4f9eeb49f0a2
4. 0x43a8d2713ce9faca74dc6351faac208eb3224df4f8bca4af9e307b27caa2bb43
5. 0x4a563dc21484bf18df4f0dc0e16afda912d69afdaf68e01c7d765ca9fc7f0826
6. 0x4762aa7fb33d3c94b9dbb5b0dea5aeb861bd4597e3e365520d9ab662e70ff130
7. 0x618d25e94b79ce46cf4c4a4de950178a23a7c4093ddf1d76401f3d8e55876351
8. 0x966cb95858880a6e18858ff00d535427aa1f27d0b78f47961fc0fd4a342b1800
9. 0x2a7ddb96f65dd05d73345b408fbe361e9dce5aabffbd3691b1acddcfa7e95eb5
10. 0x8ac4de8265f27492965a240ba335e65faf3bb407176538e45886ee13b6e2825a
11. 0xec24b9c01de1bb4251b9c4a6b425fcc7ef57a476cf361c8c9a5e20a8ed26c7c8
12. 0x216487fdb5812387ef5bd703d60ea8f043773d5db562b3ff2e11dba79509bf1b
13. 0x8aa214258cf763ac22ad2503df59c82b987a34bdb8f8ffe282ed4454b90f50bb
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90