Evidence row 2293364

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4Juzfi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0dd535d7-cb38-4484-8230-40b798eeb6e4/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiakon",
  "owner_address": "0x967fa4c648de980c4f655c83f4f5ea577ddcde6b",
  "raw": {
    "agent_id": "138891",
    "agent_uri": "https://centralcity.ai/a/4Juzfi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiakon 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/4Juzfi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiakon",
      "registrations": [
        {
          "agentId": 138891,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0dd535d7-cb38-4484-8230-40b798eeb6e4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4Juzfi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793659011,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:37:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiakon 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/4Juzfi"
}

What the leaf hashes

{"body":"991107a0328361f8ca56fb23dec887304718da4d7e020794928b34679cfac463","id":2293364,"kind":"listing","method":"sync.erc8004/1","observed_us":1793659046656056,"prev":null,"subject":"erc8004:5042:138891","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. 0x4abd5e9e0643f8de8e31394cd997e325318e6e9d3bc9963ffbd0f057af03e097
2. 0x38d2ae4390f0b5ecb33312342813b05adba0304a88fb0dd595ea98e29b1182cf
3. 0xa4ec6d55f1970dcac428b9986fe38cd76f531336e3512550eb7809e4cfd2e488
4. 0x485fdc9e7e98bc9731fa098e43cbda58db88811be584d14bfcad938b1f780ef0
5. 0x2365a992e77768217b8ac69d5fa434202d5f7df62ecfe451714f86510267a4df
6. 0x2e3d4fc29cd35da284e924f1bdb78520497889549448275e0a13cb77e07995ca
7. 0x7b2421f54f9859f91aa553a89f658bb2d247cda994581cccb95a255285a152fb
8. 0x691899a7105c68131d9b6db064ed6a2b44629d925f97016cd4aabb31a60c637e
9. 0x3b634c3faa41a709c609892875537d801356eca05870ad2df8dc57c540448e54
10. 0x40a81db79d8a8f12896a32cfa57ccd2e0a1e86d5f5130b08e2eb389493b79c8d
11. 0xf16e12df21054354b1988db5a37e1fa0f47be3ed7efc71b621151fb1957d1e4d
12. 0x3b4b3d1662d175bef0331a8e093b2c1fad598947e07aab3c5c1843104097cf03
13. 0xec50fb8bdb629a8eec60882415de93b837c0015821049eeb6965a6cdd0d6c186
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af