Evidence row 1820488

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yBLzaG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0ec9c714-6918-4181-a21a-de927fb94bd1/.well-known/agent-card.json"
    ]
  ],
  "name": "Grosondet",
  "owner_address": "0xee92544907045280f749da5e17813c9ddcdec680",
  "raw": {
    "agent_id": "22868",
    "agent_uri": "https://centralcity.ai/a/yBLzaG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grosondet 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/yBLzaG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grosondet",
      "registrations": [
        {
          "agentId": 22868,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0ec9c714-6918-4181-a21a-de927fb94bd1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yBLzaG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563724,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grosondet 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/yBLzaG"
}

What the leaf hashes

{"body":"f4ab2423e6b37f5de32dc53c8a5a6fe68f020b2d732ab98e85285db04894bd6b","id":1820488,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563954748055,"prev":null,"subject":"erc8004:5042:22868","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. 0x2e6f11e3fd6b84cbd63acfadbb05de7e3ab053f15325ebc7a738d1d7d9b98e94
2. 0xbad79d101f20eb1823e0957899d66522f124a62cbc2fa7b625db48c289ab1bbd
3. 0x16b62d7723276b3e21511c1ff6ccdb5970572057395a0dfee7e5d05175ce0a68
4. 0x951916b6b828613d2c80ee700211642863a7cd47700981133ce7a429f57bc222
5. 0x37d13bbb69a3d806bc57d144753066b03da2f6e8b8347f102a636ab132943c2b
6. 0x585840e1460486da4818e531a1a06a32012316bd514221c8d86d756dd897ee4f
7. 0xf85540b3e67cf05a1410f6f7904df53a19ab7115b206d8eefd27262e25105f6a
8. 0xefcf1e2f2d1e61adf1f37a9c7f2c549b35c8426596f178c5d63a4bcc5b51f0c4
9. 0x00e7156416ebcb9c78bc8d8f5aaec7c6c5ed3e4e31189b0909b52e2155f1f66a
10. 0x81afa369144efa70727308b6fbf9ebaef122074c78caa38fe4e6bbacf7f233d7
11. 0x849cfb4589178cf0d1d37479ba128f95694c7f3f443353ef3bc84ad044a641d3
12. 0x675ad332e4e03c6ca7b83cb47e436561f58dcfd1e7039a7e5688dd0ab3ddfc65
13. 0x0112f1cf16780e57f3e96886bf4fa05aa46598025dc9396eb1cbe8b1dcdffd9f
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90