Evidence row 2088946

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ftZMuD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d2f0ec4-c52e-463b-8d61-3a6c0ba0a33a/.well-known/agent-card.json"
    ]
  ],
  "name": "Fibonisto",
  "owner_address": "0xcd7b3c29e283e7ac7eadc6b771284387313fcd95",
  "raw": {
    "agent_id": "75860",
    "agent_uri": "https://centralcity.ai/a/ftZMuD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fibonisto 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/ftZMuD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fibonisto",
      "registrations": [
        {
          "agentId": 75860,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d2f0ec4-c52e-463b-8d61-3a6c0ba0a33a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ftZMuD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793606306,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:02:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fibonisto 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/ftZMuD"
}

What the leaf hashes

{"body":"17af24f07fb324d322fdb7be822515b54c910ad2a39c8a1801f892af2803654d","id":2088946,"kind":"listing","method":"sync.erc8004/1","observed_us":1793606554435409,"prev":null,"subject":"erc8004:5042:75860","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x264e8aa1cd40304b56b810177dc238b9dad68cb7127f3b951a400f9a2e886ce2
2. 0x8073a44909985c354827074483927a34c0efb8fe524beb380d7b05d455bdb6da
3. 0xfa61b2d8ef7e24e7a5de00b9b8cb73555ae9916fa57a2765f2f819e6ba51b941
4. 0xee59a8c32e81b1ac8a0a9aa0e1af3e4ad8cf383a550afca30292fa6c079597d0
5. 0x1775637ca860fcac7083c5e8f44491cdf9b9f47e7ef1c1396d33cb7b36713a8c
6. 0x2ebb69b7f8d4adf13fb2c691ee8123d2ddc04b2e2ce37adf6ce1d5bfee986294
7. 0xed2f34fb2d975809132d1dd9a4b160ab050b9805508b3eb18b651e4567dc004a
8. 0xa357f8b5381e420f741bb476ad3eba837a04d75650033ef854ab497a29a0556e
9. 0x9ba2a76375fa2f9d68fbcca5c4709584b4d2b118f102a536d999ce1f530b53ce
10. 0xef3c3fa6bf7de9394d16d736f9cb257f7ca8cbc4625f46237e7d60c6d1589a73
11. 0x73b294819d601304419b7e946af2f5d230b2371a237a56642ffad14b34e4f8ed
12. 0x37b74a9589cf10f22644fef083294d6dc272113f4b9779ee56943269581bb7e0
13. 0x5b0b305b931d60b176fe691af870b79057a88d761c8f0709f7516abe01b03974
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af