Evidence row 1826726

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/y9eQHa"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3b82f721-4945-45ed-9a15-cb3fc3702a28/.well-known/agent-card.json"
    ]
  ],
  "name": "Grefjo",
  "owner_address": "0x9cce04dab51ab82a96f8c16493e11e15f61bb10e",
  "raw": {
    "agent_id": "26737",
    "agent_uri": "https://centralcity.ai/a/y9eQHa",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grefjo 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/y9eQHa",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grefjo",
      "registrations": [
        {
          "agentId": 26737,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3b82f721-4945-45ed-9a15-cb3fc3702a28/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/y9eQHa",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793566726,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:04:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grefjo 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/y9eQHa"
}

What the leaf hashes

{"body":"9d9c2036992a727ca68ed89087eb577689105d55b50971c57632e39698e37269","id":1826726,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567061379552,"prev":null,"subject":"erc8004:5042:26737","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. 0xe6375d36e9fbc9f8f21c976f54faaef8eaad319e540f3f3c546eb5c40217613c
2. 0xc682a7e37bce01ed9d6713fc89468a656c3a2e2d49bfea5c17c223f82f5ccfba
3. 0xf6f13b6110221e1cf11005db87de2c1f7068f514ed7524d463f085aafd4ee473
4. 0xfe15148b4410b6a25a8b25ac7f40d4bed4e8c83806ab73a843a43cded0086c94
5. 0x5ee9de14193f54c8fe93a5e5857de2505340da04a94c3d90e393cc0fb312a13d
6. 0x9f829a1f477a08faf442d2c37654f15419a2c5a6898f6861d16433e2cbfa48c6
7. 0x6ad7af33151b3eda22a166f8bb71c469612cda08a4856e22adbd89011b972062
8. 0x5d7298ec75958214348625aea6ced6217daad6bb2a9e7bdaf2a813965f9de03f
9. 0xbe58a6778e492ec16ea71d84dabd99dcf3652aec4fb780bfa1876b4c1ea8e449
10. 0x2cddb137d7cef906a15c6e142980206cb092bc62d7a97a3ea68a39f80121a708
11. 0x333914726e22bf4ce33d143950969434e909b4a28b7326c647c3f92695444c99
12. 0x935bc9273b6a902dc59c88f3bdc2b6b2a57593873e22375bac3cbe70e3f7841f
13. 0x2d4c132f554f691978e574150c9c62f9035c2116f17d214b64785e8513cda423
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90