Evidence row 2163739

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/pDK3Tr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/241569c5-86f4-40a0-8d5e-4539de0f0229/.well-known/agent-card.json"
    ]
  ],
  "name": "Mateon",
  "owner_address": "0x8eb6350179ccdb8b79e04cf3edac431f0b3dd05d",
  "raw": {
    "agent_id": "107640",
    "agent_uri": "https://centralcity.ai/a/pDK3Tr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mateon 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/pDK3Tr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mateon",
      "registrations": [
        {
          "agentId": 107640,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/241569c5-86f4-40a0-8d5e-4539de0f0229/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/pDK3Tr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793632839,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:20:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mateon 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/pDK3Tr"
}

What the leaf hashes

{"body":"f47b50f7aa9fe660f5ce46d0749b780c0bf81c63b036c5464d8ee6c214acaf97","id":2163739,"kind":"listing","method":"sync.erc8004/1","observed_us":1793632850011161,"prev":null,"subject":"erc8004:5042:107640","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. 0xbbffa9e90d11c2471406d3e3a731881377412cb1c7e0de934126476a38178ead
2. 0xe0b5908aca69e4c4a82f3c8135592da6375f2b73f0651960f1fba6f32ac16e5e
3. 0x599f6547adfc17ebedcf70165e4a54d101f9459658990a443d4f640d4ee1f145
4. 0xf35b545269d5f11f3f7c73540419aa1181ec45d747822119b9e0476904e9a745
5. 0xe785a63bc7bff0c3ffe398555dc6214a6b5e34472f0d43e56271fbb1d2263fea
6. 0x717ddb4b55f54cf04b779d77dcefd98719e85db7e188ae70b774560e501b3e71
7. 0x1ab1cf0d0eba3fb4afceb34a098684a2b8908317d4aa3b9504cc11fde91081a6
8. 0x867c68801960d0f1f1e74bfdca30f0279807e9ac2e0f73b539c65394887370bf
9. 0x2bbb9a73d09198eb4ad8c5c4b6d2d1498ff84dad3d4dda73d574dbeba697c867
10. 0x77a94cb0976df6288caf4e5919edac7c62bfd85e4dbbc5aeec12571c02508483
11. 0x2b23e564b52c0999f8aa4d782b4e71a40cf2bd4b0c0540b346384d450203df55
12. 0xe58525446254d2108eb36448d0c82e228b172272ca44d008f01d5ed4cf747eac
13. 0x626fb5c7d656fa8c4ab162a898cfff0f195757f6cb547860059c20e431ef93c9
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af