Evidence row 3016981

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GEfVjn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c45ac627-66d5-438a-85f7-5762eda6fc02/.well-known/agent-card.json"
    ]
  ],
  "name": "Hika",
  "owner_address": "0x9ca5a209d8e359d69c524ca8eff4bd5d1b7b6538",
  "raw": {
    "agent_id": "253696",
    "agent_uri": "https://centralcity.ai/a/GEfVjn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hika 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/GEfVjn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hika",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c45ac627-66d5-438a-85f7-5762eda6fc02/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GEfVjn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:34:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hika 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/GEfVjn"
}

What the leaf hashes

{"body":"72fc7cfcc91d0ba56dd2fb51bd55c6102917480ee8f4117b046a08e11001c451","id":3016981,"kind":"listing","method":"sync.erc8004/1","observed_us":1793802883330108,"prev":null,"subject":"erc8004:5042:253696","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. 0xedfa77eb5a90a6ebbc6d47cdaa73101f33163663eff07383a7257e9422da20c2
2. 0xe788f7e5fd30d79a96a66653ae3d375d5a0f12acc92294a3d2805b32ef8971b7
3. 0xe75f8f158a36b2d9e0e3b1d177f578fe12e315ccc0ad6fb44ea70ea9f673ba7d
4. 0xcd52080761627f12d33be3a8fbc1cf3f02196eda4f91b96281d9dd31440cd9e2
5. 0x5d024879fb26f9fb9570f1265f902bd325c98bbe0aedf69a900dc6a2009f30f2
6. 0x969b60e08f98d1e461d7434aaee70555f3999ce33896115ca4418f13c77fd76e
7. 0x71fe983cd92562c90b66397831a9c36fbdca44a9cd9912fb98eb738bf72930f0
8. 0xdb9f8e6271dea26e98659a31a2a65efcdc5e324796b9923da52ee1ba3fe47efd
9. 0x9f93aa1d17329b04d7e3d256a125aae30c8b911d9814e3c3b11add0797f4315a
10. 0x473e88a49751226aafe947d6b26c31bbd29f16718760ee6762bf50eb8e964ddf
11. 0x78010240049b81295bebd3863d01e868dc3455374f5a3f1839330bfad3f0c1d6
12. 0x88511143733033f416ac5f86c210c254de293dcba7fd289f1c9df79aee0dadf4
13. 0x956f4913934270080a8ccb34cbd8f0c13aa2c31b748acb745e577aaac06fbf54
14. 0xbf7e123029ce4365b819863a1c92b78b356111fa8f0bd187055546ccf59fa8ff
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345