Evidence row 2975975

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9HZTmb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/353512ca-0f33-4fcb-b6ae-ef7258a042b1/.well-known/agent-card.json"
    ]
  ],
  "name": "Havino",
  "owner_address": "0x27404d79a979d6c630f207f44e751c591431643a",
  "raw": {
    "agent_id": "235514",
    "agent_uri": "https://centralcity.ai/a/9HZTmb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havino 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/9HZTmb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/353512ca-0f33-4fcb-b6ae-ef7258a042b1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9HZTmb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T08:16:32Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havino 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/9HZTmb"
}

What the leaf hashes

{"body":"16f7ccc872fae97d3fcc146e474feb0349d24687cfb09be12b4c4ae0f60d3af6","id":2975975,"kind":"listing","method":"sync.erc8004/1","observed_us":1793780192165825,"prev":2975635,"subject":"erc8004:5042:235514","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. 0x58b2f39c751912a1fbe3c3121a387ba50525f7d71929352aa4c3f25f1f898408
2. 0x7e37177206989cdd731c746e0f7f1ce7f434636e72dda327045439f93c224dad
3. 0x9628c934a763b4ab5c671697fee973df9603b18e5faeeb7fd42c07ce893de8a2
4. 0xd147a35ec800c2817d4477f18b3b81413e7bf203d2d8dd727fb96e3e803d48b2
5. 0x729006c0ade9311a33b82cf00fc97ece06abb80daed491c4eb595812404e7927
6. 0x566f5e159c14cb5e55b671da19bf99669f82f5611086551d691e3f5d2d482eba
7. 0x4e848e303337b250c249a263e9715b16c11f8425a1447fed0d3b899ca1faca32
8. 0xf7b55186fdad4f4492ce15acc5b639e5c19dddcf448cddb26f40f6b69eb24147
9. 0xfa5e5e8b9b5abb9b454044941f912bc8c611f82741dbdde51f4f257e5b094aa1
10. 0x31b5546618fb5794c61adf725d359347b847a5e045095aeffc7193f5531dda12
11. 0x5e05f7c02eb47fdda60e8a992c847ae6f631fda3c8a271fa9550dc8f1735027c
12. 0x55aa4ed15a7103bee2aa84d11a3bad9a189e2b97e173f45f8e4be78d469cde0d
13. 0xa2e5674fcc10c964861fbb98d1f682c2e24346c9f9f7f8e545244f42f75207a7
14. 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
15. 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345