Evidence row 2978955

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/C1hUyL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/100a08d2-047a-41ed-9055-1091973c7221/.well-known/agent-card.json"
    ]
  ],
  "name": "Sisteon",
  "owner_address": "0xe22ebda16acd917c22a04baf12d6bc0f35d23a82",
  "raw": {
    "agent_id": "236670",
    "agent_uri": "https://centralcity.ai/a/C1hUyL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sisteon 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/C1hUyL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sisteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/100a08d2-047a-41ed-9055-1091973c7221/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/C1hUyL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T08:38:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sisteon 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/C1hUyL"
}

What the leaf hashes

{"body":"14809d29c6fe91bddf006ba9c055293fd691c34290d8210f3f6d915b90db3604","id":2978955,"kind":"listing","method":"sync.erc8004/1","observed_us":1793781524080848,"prev":null,"subject":"erc8004:5042:236670","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xee21a27bbdc77006b5bbf400fe8e1c1f056581970cc948a3b55c0e914cdcbe83
2. 0x4df0c92c97101ae67756da24c3eb100f183e918393f9df08bb5388c04f5bef0f
3. 0x0a02a8dfdfc5dcf85ff813752fdea765ed9d2d453dcf335fac010f98f5eefeb2
4. 0xe199d07965d691d947fa8d18e6d58feec1b95076ea2163512a7773b927b60d80
5. 0x5c5cb6565fbab00576bf297d203b4540d1ad9126875834d8b561289337c657c1
6. 0x1ac8cec69726d6d6f10626f056cf0bdfacd3761634a62a8308deb915dcc5c5dc
7. 0xb317bbc48659c68a71ca9bc6423f4d7ec01fb91c49b9ba774cc9f7348441b502
8. 0x83c882c7da5e4d1e3339eb59642b8f510bbdf1e5bb4c66ba70f78c325109cac8
9. 0x90ad428dd69579e89263798a5e185785ee9bc52d5b0ee4749715a8609a34eab9
10. 0xee60560cf4e899e9ea83ca88ff03d12dd5f2171547bf692a809047074b1ca191
11. 0x16aa381b00f5b5bc6c81ce7b8c554184b463ee8630ed3e4477e9c59dc9263f3b
12. 0x88511143733033f416ac5f86c210c254de293dcba7fd289f1c9df79aee0dadf4
13. 0x956f4913934270080a8ccb34cbd8f0c13aa2c31b748acb745e577aaac06fbf54
14. 0xbf7e123029ce4365b819863a1c92b78b356111fa8f0bd187055546ccf59fa8ff
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345