Evidence row 2190843

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zyQTkL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/94bc67a6-f393-42e3-8b46-8db21d88af45/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosino",
  "owner_address": "0xb9c9869586c01b58d4439d0903f442a5b2654f3a",
  "raw": {
    "agent_id": "121181",
    "agent_uri": "https://centralcity.ai/a/zyQTkL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosino 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/zyQTkL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosino",
      "registrations": [
        {
          "agentId": 121181,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/94bc67a6-f393-42e3-8b46-8db21d88af45/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zyQTkL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793643722,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:24:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosino 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/zyQTkL"
}

What the leaf hashes

{"body":"74eb86944b1be907e6e56dbf0d249d216e99158897860e283cd9baeb90e483a1","id":2190843,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643877678302,"prev":null,"subject":"erc8004:5042:121181","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. 0x80978fda5d96a2f8f205237cd9960c5c4623b4b89d8ecd1b1e262a916b3a64d9
2. 0x488c527ed78538cbdadd1c9e9a45ad9f91043a3371024feb851ea388aa863cbd
3. 0x8aac086de5a7384f70423df9a9b34c26c4f289b5c7a3c753c3ba7cb82033725d
4. 0x9c5f70b89879aeba86fab906a6511959ca84db1631710113c87512c771aae627
5. 0xa12e1f9d79bd7ac7eb0e75ce2b4b5cc3f2432e417f4384e4b4f30f68fe45bf1f
6. 0x3dfb6b2c5a79c214e35827ffe5e79fe61afaef568e6656f0055be465eb55b92b
7. 0x98c0cc39368325013c31f0526d4968748476e7626561b727569231014dda32f2
8. 0x054b4c278933169ff6615815acfe2991179fd4b77636dedeff762c2750fde617
9. 0x8204709277231135a62a5b9d93c1e95ff91d21867fbe9e98b1de4a8b3b54ed1c
10. 0x9c4b3e60a387df4b0791966aaacf82efaf67b66edd67fd05d46d1322d4040579
11. 0xa393a68b746e025d8daf0e0981f2bc113caa7b5c6efc416b4f3c74cc574d5369
12. 0x71305c272656503414016b5f13ff8cba828a7f92b6aa86f744081781398d24d1
13. 0x6a06852e71057f53bcc6c658511dcfcda03ac93f8dd86e79a4db42c8e85677b9
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af