Evidence row 2280277

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3COBFL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5fdf39ab-f567-4f24-9d17-07011a10833e/.well-known/agent-card.json"
    ]
  ],
  "name": "Dasseon",
  "owner_address": "0xcca395baf3f8876434f7ec8721722ab7fd321bda",
  "raw": {
    "agent_id": "133310",
    "agent_uri": "https://centralcity.ai/a/3COBFL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Dasseon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/3COBFL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Dasseon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5fdf39ab-f567-4f24-9d17-07011a10833e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3COBFL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:11:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Dasseon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/3COBFL"
}

What the leaf hashes

{"body":"0eedba9c133ff1732d81d7e7b43692c0e3d93dba3c498cc74ef4297579a10185","id":2280277,"kind":"listing","method":"sync.erc8004/1","observed_us":1793653888292069,"prev":null,"subject":"erc8004:5042:133310","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. 0x4f2f1b41e2434a59e4e282a83ed3e5bd4c806668617d6d7109fa724bc54fa6b3
2. 0xdfbd3eeb339e20b281b6269bc2918ae55ca1d27c48d8ae1c05d54b91290ad43f
3. 0x4348a331dbbfb58af63b5d68d987c725835c2670626328d12b82d7022bbcb972
4. 0x32d8494557382bcee709ff2bd93afb4bbb48e3c859a075e98454781fa4368d76
5. 0x20928447f6e3054065a3123a620cb977ca749f5381e75aa4017e6c2443d5ce43
6. 0x33f96848b6e8d0f5bb4e35c57467bbafee6bf35eef672af55a0d592ee54e0598
7. 0x8c0c165d91edeede05f9189bd33304a49b4190649777208f1967fe1d2c60a171
8. 0xedff03ed0390c9853fb792458eb4fa96903a35798be7390c33b9e78dfef12932
9. 0xbcaab3b69439e3160e238ab1d09d5d1a32604d674f10ad8ea4a9dc2a5f17f163
10. 0x3420eb9dc892adc301afc951e14f1416409d27253a0967d6d5435272b3a8611e
11. 0x86964d01055cc59c3cfcb2811edf7b6cc06d3221485999741f5a05599dca2a08
12. 0x49baa3300fdca43a78cce7c845ec7d1484d83c007d46bef189eab0ea73d61054
13. 0x5e60d42a83833fb9c9050e07ccab878d6e233865869bd0ed358ec8cdb2d0bd7d
14. 0xf01d425f0c05ac504062d9b471f06fbf10480b3526efb1ee77bb71aebd05f0de
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af