Evidence row 1840687

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YFjyIm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ae9aa695-122b-4ac9-ad50-ee3edd42e026/.well-known/agent-card.json"
    ]
  ],
  "name": "Nistano",
  "owner_address": "0x23bd79c9db62e85d0d6852803c368c91146cc90a",
  "raw": {
    "agent_id": "35219",
    "agent_uri": "https://centralcity.ai/a/YFjyIm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nistano 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/YFjyIm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nistano",
      "registrations": [
        {
          "agentId": 35219,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ae9aa695-122b-4ac9-ad50-ee3edd42e026/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YFjyIm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793573491,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:51:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nistano 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/YFjyIm"
}

What the leaf hashes

{"body":"ef69a42750187d12d75c8f21f04967358bf429dc5fadd2f4ecac2fe8a14444c3","id":1840687,"kind":"listing","method":"sync.erc8004/1","observed_us":1793573517796072,"prev":null,"subject":"erc8004:5042:35219","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. 0x510819ea94962946bb94138e1c42dbb627b7d11cd4e52af74c56e28647e43214
2. 0xf6fe60fa9ca53d23492cbfd3bd9030e3d2bed17037bb1865203afb77709b3f4f
3. 0x4bf030ac4594e5d64ec3721720c6b6fc1c69bfbbe2c4fbfd8cb599385d7ca2b1
4. 0x4b0819197c45280e009782df0e2352d14226971c05dc8cd214433acd601e3b9c
5. 0xf4ababbf4816f2d6a96c8daef35c71ce8ddd9377189ce5633e32fd92af238bdb
6. 0xc9c45149b2b120f699f1296d02089dbc8053b9fe9de46ebedeb1852af54ddea9
7. 0x5844cadd5abfd8318e5cfd8aa37f65a18c352d140c13ecbcf12de4d59d7a2ee2
8. 0x7050f4d1dd53c478e74083701fd5234a8ebfbb59f7c3e69778d70c99bf7fb55c
9. 0xe316b540680ea58ed892eeb536c5181e125e18d9cd20d81feecf4de4e70bae55
10. 0xe4791d3282693d567b83be870712be696151da5c5768c071de07f77c09c58ab4
11. 0x10febd51cf7dfc486b90d8476111abd3717e8453c7b2a9466f432b76b99685b0
12. 0x21938c6c946f4b4fbc9debe25f5efc2591234f62b5e79a54d3dc9abe2154cc21
13. 0x61ea1522e2a8dd1dbb4a7f6b4b6b4e9d2d75dad9c43bbf8d014ad3d2e55a77e7
14. 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90