Evidence row 3011358

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Qtckav"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d2bfc4cb-e443-4a60-8ee5-886f370e1d8f/.well-known/agent-card.json"
    ]
  ],
  "name": "Perkivo",
  "owner_address": "0xa1d79acf471f5002518f6ce8452633615ad934b7",
  "raw": {
    "agent_id": "250516",
    "agent_uri": "https://centralcity.ai/a/Qtckav",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Perkivo 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/Qtckav",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Perkivo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d2bfc4cb-e443-4a60-8ee5-886f370e1d8f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Qtckav",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T13:37:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Perkivo 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/Qtckav"
}

What the leaf hashes

{"body":"c870a8c9149f4edbb9756c4e8be801ef2cd3a3eb44ac831708bfe97fa25ee3b0","id":3011358,"kind":"listing","method":"sync.erc8004/1","observed_us":1793799430414489,"prev":null,"subject":"erc8004:5042:250516","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. 0xfa7384f8ab46688c88ffd1c0d31e154507befe0535f87a5454829c0ab824f7de
2. 0x2d2cb5ffe359acacf8d6ccf885d669fbdb916e85b003e146f40577f10bd1be38
3. 0xf57023ef64f9f2b1b854e114b350edbdbe8469088a525cd0583fa3aafe429bab
4. 0x14ae6074f5e65c03bd97dcee38c7b40e2cc7232b21bf66b754df62c74131f073
5. 0x6a62ada3b871ccd9d6e244da7999d74f54d4e69fa9b867015b4e9b5087f95399
6. 0x2c37c4afbf73f3f5cb8ef1695025c11871f18d4c166657e4e444dc76a0587678
7. 0x9677fb502d48c0e7c1c765d46df5c3deb4b462fd8c2aa3e0908ac2c727ac5b07
8. 0x2e6e90144d87016cac04ef47e0a40b82ba672340c6dcd59a0a8006bbf680411b
9. 0xec60155f634eef704fc40162d32cb3957d9662478b862b19d5ab51ce61f2c4b0
10. 0x070de66142070a15062e59db541a98475ba92a76d7559b73fc33e92e686240cd
11. 0x89646b16d1157222d96dda75af5b2ddc2dfb2b867dee5c05e91cdbc25989b87b
12. 0x4aa1378372ba1b4820a06c83298d5d2da7dd0b148a35130620024b6302646b11
13. 0x243da0560a22b261b4acd858d86cfd348f5f9a8dd79b6eb963010c4328493056
14. 0x362d041fb35470d2c0b62254965cb0f1ca92753beaff4f109108a801cb241467
15. 0xf3c6700d5df4bc68d1e98c623150c4852d8000cd123b59c743588bef452bdd01
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345