Evidence row 1768289

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/btKFQc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8ba37ca5-ccc1-4b42-b7bb-7c5f1b5e7057/.well-known/agent-card.json"
    ]
  ],
  "name": "Grandano",
  "owner_address": "0x460610f1456d656e1d7fb9a0801e47393eb9c5cd",
  "raw": {
    "agent_id": "5272",
    "agent_uri": "https://centralcity.ai/a/btKFQc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grandano 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/btKFQc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grandano",
      "registrations": [
        {
          "agentId": 5272,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8ba37ca5-ccc1-4b42-b7bb-7c5f1b5e7057/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/btKFQc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793543666,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T14:35:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grandano 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/btKFQc"
}

What the leaf hashes

{"body":"9e81f3c02849e9ab85474c3cdf70f0068a0e3fadfec4a856c1df9c6eb22896c1","id":1768289,"kind":"listing","method":"sync.erc8004/1","observed_us":1793543700770859,"prev":null,"subject":"erc8004:5042:5272","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. 0x4ad3c529c92d8a0b7047d3cfd0cb9fd743b690e529466a4d562c9462a7ec54a1
2. 0x27aa1990f8e27ee0ff391298a6f10ade0daab66597e62253f986d37a224aaabf
3. 0x52443d195555c4a7b1c44a89863a78e5a8e64cf72328429bd0bab2aa50e752fd
4. 0xbf1d75ad88e0e6e3b126eb4443d7ac516726666a98969142126de2381573d035
5. 0x983f4dc44cf52af1fcaf8a56a0a5c3892612cd45ed39ba8fae1b50f5a69bb6fc
6. 0x9df02a5c8322ebe304f3f1e9a9fab901c90276e6e8d9dd42c8462903796f534d
7. 0x13e0cd5d773482a75d4bad8a377ad39f82d6a0f08ac9fa0b2573b83fb22e8c68
8. 0xf416f381e334964c211d7ce7eff81205ab22d036e7ab1841dde47f7aac6d7b3f
9. 0xbdbd84a15fc037774eaba39800fb42ac00906f05932cdfbddbab3e7f6b999bd9
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