Evidence row 1779508

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MI6rBy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/12245d38-3fbf-4000-9cbd-368ef2445aa0/.well-known/agent-card.json"
    ]
  ],
  "name": "Fosino",
  "owner_address": "0x38e8e869ee703c155ea42d898f774b4efc33470b",
  "raw": {
    "agent_id": "14346",
    "agent_uri": "https://centralcity.ai/a/MI6rBy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fosino 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/MI6rBy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fosino",
      "registrations": [
        {
          "agentId": 14346,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/12245d38-3fbf-4000-9cbd-368ef2445aa0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MI6rBy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793554156,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:33:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fosino 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/MI6rBy"
}

What the leaf hashes

{"body":"9a9b83121d00a2cf7fe40b6b94c6a1de2879fa9907fe8597f4417709101f0855","id":1779508,"kind":"listing","method":"sync.erc8004/1","observed_us":1793554439226121,"prev":null,"subject":"erc8004:5042:14346","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xfa4000103e4729d2ff1045be5ef1f834a362a7c335b358b5b634ccaa454319f3
2. 0x9ebaf49898de06b7f49cca8ebb05a16b99225c9b3973c36edcba5f383a813054
3. 0xe52b4c438b5f671fdcc0be870878757088b79fae5f41d52c34901e1b0836a80c
4. 0xadeed4cf7cf3401bbc4f4e7ff898ccef54447dc86adcb8e99aa89f8d09180a45
5. 0x9822997c50cbe92b3f0b639e7ef7eb159b7469e0fc021e54db6993700c470c60
6. 0xf3074b1f3b8de9381dd3e2635a4d6bed2b3a420f087c181325cf69bc8f9afffa
7. 0x311a0041e34107be52c70d2cf59326c666d438226cf83b62d39c7dbcd9f5de66
8. 0xca2fdd20534c9b74e491d0f5101fde97badd07ce312eb5923c7c69d3c5c17da5
9. 0x94a658712f336a2134d82d11817c3406a0707a1d21ce5b401dfb0abde992be9f
10. 0x59b6aca0a61be49808bd634542be99a5a27e87086bccd30eed24767f1ba9a0f3
11. 0xb049f4b69dfb36950bfcb0be4b2fd686c022c5c61145db3debd82f902f21de77
12. 0x6e71a55e0a56ca0bdc131aa827b2dab94f6c61b4184a13e64ea6350bbe474512
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90