Evidence row 1772228

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CxJGoJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cc1f6f6a-9908-437c-a09f-ca05cf5cd9f0/.well-known/agent-card.json"
    ]
  ],
  "name": "Grumias",
  "owner_address": "0x1d221eee58e45fe48a1eed8526549f1d343aada9",
  "raw": {
    "agent_id": "8156",
    "agent_uri": "https://centralcity.ai/a/CxJGoJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grumias 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/CxJGoJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grumias",
      "registrations": [
        {
          "agentId": 8156,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cc1f6f6a-9908-437c-a09f-ca05cf5cd9f0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CxJGoJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793548137,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:53:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grumias 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/CxJGoJ"
}

What the leaf hashes

{"body":"58c4b686df66b95c8a8c62aa41aab1164c0782bbec4c56ce042a188aa0e32575","id":1772228,"kind":"listing","method":"sync.erc8004/1","observed_us":1793548400732586,"prev":null,"subject":"erc8004:5042:8156","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. 0x4d9ea1769b919efa4a7b8d82c67f2d9cd5ac9e82da0dbecfffee2eecd111722c
2. 0x5e050af2cf01e15ad45e56e58e955a75b8dbca95b9b7a3261d0794a1274d4b3f
3. 0x96ddda843aadc87b2916619dcb2e578d0257c139366086e554997a91491330c2
4. 0xefa0b07fa339e9ca029061ff521ba0323ccc02e93ffb1975718d8aa63a5ebcaf
5. 0x43613d0d1d954bc9ab9a382d05f5e0af30bb4922707203f0cadb3af69d0445bf
6. 0xed63e97f06b48e84be32079b8e676e192f59b9cd48ac65048986141cff71154e
7. 0xb831c24b62f93f967f94fd7d9f124c9607005d1fe70571d406847e0a2e7b9efe
8. 0x42792ca3b92401ddcac04cc37bb4688194525ef41297b7f022c655eadb965ea7
9. 0x31e33542d0f10418c4f11365a14ed5065b66337356f2ceca2055ae853588f210
10. 0x2febcd1637d7378a4db8d0a222523682af37cd42fe0d5abcb5b642eca25af73b
11. 0xaf88b7a9100ff89437f797ab9dac11b27bf552745c0a283cbb89822c4093e260
12. 0x50d0aab4654c4fc0e4e1b6e9ce23b51cbee73c6fbad455db813e190229817e20
13. 0xe856d71d4d8a98af6db9d570016de7389476d0530bd8e162ceafbaf3cd861a5b
14. 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90