Evidence row 3480154

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CmJnW2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/73c6a72b-6c8e-4623-bf41-5d22c42ddbd6/.well-known/agent-card.json"
    ]
  ],
  "name": "Nisseon",
  "owner_address": "0x9a8aa1ca4e1e5e9a87385234634c76fed9e4b85d",
  "raw": {
    "agent_id": "361923",
    "agent_uri": "https://centralcity.ai/a/CmJnW2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nisseon 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/CmJnW2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nisseon",
      "registrations": [
        {
          "agentId": 361923,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/73c6a72b-6c8e-4623-bf41-5d22c42ddbd6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CmJnW2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793924630,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T00:24:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nisseon 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/CmJnW2"
}

What the leaf hashes

{"body":"02fa83336220837bf8856bcc06641f7f3e2994919254230e703cdf643353ca9b","id":3480154,"kind":"listing","method":"sync.erc8004/1","observed_us":1793924699642946,"prev":null,"subject":"erc8004:5042:361923","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0xdc6de7fa95d7d4a9496cdedb0af022e249ecb54678a5d134b6c695b89ef99df0
2. 0xadf63552adaaff22da854b1834029f09c3f6044c721811d4fe1021de51cc659c
3. 0x02d912287449ddba621011309f1f8974d450a50245e89e3f95458079fe2dc4b3
4. 0xe4d584becc0dcdf3b51470b3fa25c9ac9ff1e8d963f50f83997b5a0ff3b6ac80
5. 0xdd6afa44fd7871a9e576e36c3645daa90d6f969643b91c5aa875274705986e09
6. 0xfca39fe5e07afc81a480558432f7ae0bcb2535af8af322657907cc03590a4da6
7. 0x77b4389680297adb56c1c93cc59c1acbd70f8f5ee9f9077d794a9fef65d37122
8. 0x00f2a32dbc996d1902fc0ec093309c3a69ce3bfea13d6f12ec59d7ab94109745
9. 0xe8f5645ed9d818c5ef3a34895d5a0ea03e5c30b5aa936466ef0bf68bdbda2195
10. 0xadc5596cf35fb73906d3a9e7748ecdf0deed4165fbcbf7647354bb13e6be3d01
11. 0xd51acdc1d2f76e87d0dc27671f19ce2850c6dbc826cb59561d169d5e66de9f36
12. 0xa98b43283c6d827636c229f7338a6b5fc377acff2d6cc1860c546600cd6062cf
13. 0x3d6449577690283f56908a68295b676d88a625e36d2a62a63a1fbb17661da355
14. 0xd90a2fccf1a85036b23ae580bdbabc69c97c990b1c22ec464024ea02758d60a5
15. 0x821ffa0a1fb7e66ffa8ce79fd755aa408c67dd0ef62aee573ea2278fcbd9823d
16. 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1