Evidence row 2178100

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": "0x2fd2591373d536281212a4a4e78c852c20dddfcf",
  "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 Base through Central City. Passport: centralcity.ai/a/d9xfhL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumpan",
      "registrations": [],
      "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",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T17:06:01Z",
      "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 Base through Central City. Passport: centralcity.ai/a/d9xfhL"
}

What the leaf hashes

{"body":"9e53821c572e8bb76e423b436e45972348b9fb984f565055525e8899653a9443","id":2178100,"kind":"listing","method":"sync.erc8004/1","observed_us":1793639161081445,"prev":null,"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. 0xd283edbf9badd6b80de860ab83c6fb880165e11a3a3a7a75fdf6f807f61aae09
2. 0x60dd468193814b85bae3540e7daec9a1c97d777d3f987e00239ea1dd7e7bb500
3. 0xda79b67f00c6e5603e1d8c8867b58d50e9f1b8495db76be73bfb7888355aebf5
4. 0xb645e61819222b0866e4435728d896793c4b1ad20a5c10995046131e6767c868
5. 0xc0a714af6c1ff9315158fc115cf596e731bace6e081f0bba7f4f1b31b7eb5e18
6. 0x435326bb4bac15d6f89d23a3d7aceab2770eb4ac4e656bdfedf90d4f47cc9eba
7. 0xc294842d814f87e0dd050753190b581c34012726a68ad2170950eefa07bdcd21
8. 0x93f0f0207e09ff287a62a6bf0d6bead5d6a7a4b1eb5be819a3c90ceb5d329f75
9. 0xbcf870ed6495d076f9d62dd3023a731fb93ab7d0d0d867ea905855645abc8701
10. 0x682faa10845eeb05817001387d51667c15cc99ecedc2a81a3da845319a26def9
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