Evidence row 2178501

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/d9xfhL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/44cc46db-e745-4902-9ee2-54b14ad58f0d/.well-known/agent-card.json"
    ]
  ],
  "name": "Sumpan",
  "owner_address": "0x3a5ecfde227ec99ca80bea0053f7331b31f797cd",
  "raw": {
    "agent_id": "114920",
    "agent_uri": "https://centralcity.ai/a/d9xfhL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sumpan 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/d9xfhL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumpan",
      "registrations": [
        {
          "agentId": 114920,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/44cc46db-e745-4902-9ee2-54b14ad58f0d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/d9xfhL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793639362,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:12:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sumpan 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/d9xfhL"
}

What the leaf hashes

{"body":"33e9a1ae295af45f6ee0fecf2f7deee8c3d5c3bdb6f0e34b935bcbeacec711fc","id":2178501,"kind":"listing","method":"sync.erc8004/1","observed_us":1793639530052941,"prev":2178100,"subject":"erc8004:5042:114920","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. 0xd2cf05e91dc1c283885df93b6076d9eb155856c5a943b360e7e5615ed385963d
2. 0x9c1bf27f41d9e0b948f046794ed172ddb77aa4d313ba2b14b17b068dc41b17d0
3. 0x2c92d1128eee736d0bc29bd4505f7d53021f2a1745ec014fd3aaad701eed769b
4. 0xdea875d1bf2cc10af38de95247ca9b379c6a03734987834c50896b57182df37c
5. 0xa0c199a9ea7b98dafa947abce7603205d6741322d431a03df18ffcb384c31c48
6. 0x16656618634704cdc578f859414a58c8166eb8c79ca3ed9dfa0f3a0945ad4abd
7. 0x512364203ee662ea3517f8fb5a1c3af0c496ec9497b8c4662ef177746c91683c
8. 0x6faa0485ac3051ddc8e36c81ecab63addb35080ec7c0670ecaeb54705a5f7ea7
9. 0x16d112cf08f23347984c796ff224ab7c1a06c5a04f86c804c2d4d5907f523031
10. 0x783809c3d68c39f999ed33e27f2e756b577eecc499be3cd0e743035ca1386f8f
11. 0xe2dbc974d9b12796dffe1a22ce6c9cf9b5f24a00a6f898b1bd707086afabbf8d
12. 0x8f7ec337f2782ee71c5fcf875ded67ab29b3a792b4ec497a9bd69388793bc4bb
13. 0x0ee251e21135d18ee3004d16c3618e1f970e8952654b422f2554f8aa0ae09b4f
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af