Evidence row 2020664

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/L1Mup1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/45f81733-7d2f-4e8a-90ca-78f5c3b6670f/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassis",
  "owner_address": "0xa5970c88a17b2c095b60df64062deada7d05cd49",
  "raw": {
    "agent_id": "43153",
    "agent_uri": "https://centralcity.ai/a/L1Mup1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassis 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/L1Mup1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassis",
      "registrations": [
        {
          "agentId": 43153,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/45f81733-7d2f-4e8a-90ca-78f5c3b6670f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/L1Mup1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793579596,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:35:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassis 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/L1Mup1"
}

What the leaf hashes

{"body":"059cb92e5e443c984651e3ebc0e6ab0bad0ede6bce131ae7c0550b527eab335b","id":2020664,"kind":"listing","method":"sync.erc8004/1","observed_us":1793579744499456,"prev":null,"subject":"erc8004:5042:43153","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. 0x9d01aea4bdfae2d76e924d4a122d6ada6402dbec65ba0358ad2f869e8e3cf828
2. 0x3bca5f5c909ebaf2c2888009e9c8c46d6339f1a401f4606dd1ca727eb5120a87
3. 0x14ef51cef5a9e0685ec5885ee74bd97e4bf94ee4bb8c3acd972f25a499a2cbdb
4. 0x2bab2b47e0966629c6e891a412b637deab74155a31b0f99a47623f568213bc24
5. 0x94855469fe07186f3af5401f69ee043a6519e21837098ed17b1215b2fda6c109
6. 0x9c23f6c51194f04a3dbaa05cc6298074a0709537a3dec87f48da830d1f2ca2b2
7. 0x447a5a724d1ca4594677fab3d795ff7b9abd60c546e2a7d24e46a4b2839de019
8. 0x610ec1a6ac4677d22a83339b7666e2c6cc82d6c5753c04304f2e6a45ee1cb3f6
9. 0x9378917f7da77818fc48500a987d28cac7a6d4103598d5f506a8bf4d188b9a13
10. 0x0f8e53ed534ba7c56792ed66e245f9f4efd2b341c86017bbed162105150e5e3f
11. 0x4513f52fe87daf1db700a9667d602fd3ef58ee1bb21a3277eeee2b77fdf3aa3e
12. 0xe76812bd40e4cc597f49a99c25abfeed399db07d379b5ddc3f78d59b5a7e5ed3
13. 0x13372d9573063408d81df51991faad9353f3d2ff284b3f6343d434448850fec0
14. 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af