Evidence row 2151680

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sYkrbN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3db5c492-d648-42ed-bc85-c10d780de56c/.well-known/agent-card.json"
    ]
  ],
  "name": "Nontan",
  "owner_address": "0x8dc78b08a3b6095d20a2b009c497e965898e1076",
  "raw": {
    "agent_id": "101356",
    "agent_uri": "https://centralcity.ai/a/sYkrbN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nontan 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/sYkrbN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nontan",
      "registrations": [
        {
          "agentId": 101356,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3db5c492-d648-42ed-bc85-c10d780de56c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sYkrbN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793628410,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:09:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nontan 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/sYkrbN"
}

What the leaf hashes

{"body":"c5d9431e0f77cc97539b91a5113640ad76abd600f8164b65d0f106f563f4e733","id":2151680,"kind":"listing","method":"sync.erc8004/1","observed_us":1793628550462608,"prev":2151110,"subject":"erc8004:5042:101356","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xe82331c1e10713cf65e625b43ad6304a93e83231360f98405a55619bdc022cf1
2. 0x8eacd59f7b4aa26518f2e01fcfe1700c25b252f64fe12bad6b21acd2d15fb499
3. 0xb4a78f9c85d5d422044e27afe8caf8d6ee22e10465d327bf30a7b4030f1b481f
4. 0x1153766b81e80c2b4932628b64bc5352c28517d3fa772b155686b658bab17c66
5. 0xb5a527b0736f44aea12240b87d2ea3e264c656f84ea8d9e1e4267d342386b3b4
6. 0x2f0a53a26d7d5892b5a6ab0590c5d36d8d1f13873a0ae78d33bb632dd923d98b
7. 0xc530ff784f352b0948e67f970a56fdc644ac0b2e56339296a69a7748346059bc
8. 0xa9d93127d0781ff60708bf6f1cfbd2b25b74dda2a9f0332aea066e6453e7cc9d
9. 0x6ef4f5039a95d8d63a5ddb3eb80b1592d7a41170f8744795e0963b49009446b8
10. 0x069079eecd417dc7260a2829088c970ddf1db3afda4800d4be021fd33dea64f3
11. 0x539b790d68c0b6a309b522634b35f80bf5a78c4a6477a411e00939a1c31f6a60
12. 0x841ad4eaef71169e03e95d2082a5c83db1b3a56a9753b17df04fe34aa579b749
13. 0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af