Evidence row 3472766

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Dav9F2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/86336bf1-0bd7-4c46-85e6-a8496ea25ed6/.well-known/agent-card.json"
    ]
  ],
  "name": "Hampiveon",
  "owner_address": "0xbf84ce02b4ef7a687e05fa011c8fc43f5cf01760",
  "raw": {
    "agent_id": "359289",
    "agent_uri": "https://centralcity.ai/a/Dav9F2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hampiveon 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/Dav9F2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hampiveon",
      "registrations": [
        {
          "agentId": 359289,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/86336bf1-0bd7-4c46-85e6-a8496ea25ed6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Dav9F2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793920490,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T23:18:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hampiveon 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/Dav9F2"
}

What the leaf hashes

{"body":"05f2a21832aa1e9caee5fb59a73835509bf0d31b6ab71e016c94653152242ce1","id":3472766,"kind":"listing","method":"sync.erc8004/1","observed_us":1793920701465755,"prev":null,"subject":"erc8004:5042:359289","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x3d606fb7d2ca5c2edb4fc51731ef76157c0bc6ab8718243373d9c655dd5c3953
2. 0xa82263ea2598148886d907494492a7c906f264b142b0d4e71038a88dc56e083b
3. 0x58ecd352cfd0c4f880bcc1de4fdc539abd7717f3ab3499ef92ed2f349be231be
4. 0x750e16ae7403fb584e204d92d2fc584ef580779120e7851769f492f735324267
5. 0x94609f920098a34d9a5c0251b82cc3c1f27dd8b2c2c54767afcc591b900ef7e2
6. 0x053395f3c448cc293ea2300a8aa3e309f7080e2b3cca27257e0ed5b32370d4a6
7. 0xce67905c5ce7b5367ed33d0179a27998826a3dd76a57cd53cbea5a20585808e5
8. 0x7b910b47066d93f39a33ce70b645e62acbf4675076447fde0f9c41572f1cabea
9. 0x4d87463c132c00a3af2466435f6990207876db2dcdd729061c09b1e73ac71f7c
10. 0xcf3d3cc3b3e1ffa5e5b66ea81510a0daddf3585b5dead8156af8de225db6e16d
11. 0xf05eeb11401b139fe2f8cd6af784d16213b66edd52eb96eb218b0ecfde338e81
12. 0xb4ab5664816efb056d24d86cdc1d34ef82792d87c0429b2d9c7ebb016283fc27
13. 0xa5da0afc5429c60593af932df925cdca3eec2111f5c6c83ad41ce1ce75b4703e
14. 0x3c16643790e34c8c5649fdbe53776c476af90f18df9b0c0b294e98a29e084878
15. 0x883cfefa109428dc814deb63a0effe3eb85b3c5ad64045af0b1fa6d33dcf77d1
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94