Evidence row 1848793

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7H4pwL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a12ba6a5-3384-4de6-9b12-cdcf84be30b5/.well-known/agent-card.json"
    ]
  ],
  "name": "Fikon",
  "owner_address": "0x4e74a53cf741a766e14579de28874c1a0519d041",
  "raw": {
    "agent_id": "40016",
    "agent_uri": "https://centralcity.ai/a/7H4pwL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fikon 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/7H4pwL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fikon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a12ba6a5-3384-4de6-9b12-cdcf84be30b5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7H4pwL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:55:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fikon 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/7H4pwL"
}

What the leaf hashes

{"body":"449bbb281ce9abbf47f3da668e3ef38f6d28530363857418efd038ce0766f2d0","id":1848793,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577300741755,"prev":null,"subject":"erc8004:5042:40016","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. 0x6265a35cbcbf8018d93f09b63dae3f46f00d0ba2765e31686f33201ab31227b8
2. 0xa5444be1b8525ede92a3ef26859ba5d8acb9fcdef61538327e0a7244c2fb4c4b
3. 0xec2987201c82d6ab4860c8aa0087bf36902937402da7550e68e64d7c0128c4a8
4. 0xd0470745a93bd752b40257a6bb798cd7fc155b717d195aec51a70d2c3db5f417
5. 0x8198f95c13a36981bf202a31101f1d8af36c4b99b77d2cb1ad1c6604ea33d834
6. 0x6fca63876c04349c1a10a972265487a2186f58dc27872c4346f17228a21ae3d8
7. 0x683e7f3c681b79f83304fb39958be5ef2733abe4decb3fb4bed4fdb6c2a5e26d
8. 0x340829fdf748f3cca8942d44e41a885f67472202157223581ae317fb8013232c
9. 0x5c9876d5afe6077b83f95d6001d80de2edc0ee07f5c2d5371453d810e98feede
10. 0x29b9721efcbcbb8cb65c538a8a3a1392bda62779bc21767d272c492813f98ca2
11. 0x690b20f675329d373e92a22d9d43fe68188da309cdcd37a2e85557c9f28197f6
12. 0x643fddbc4e5daec7779e033aaeb09d8383959e60b29090bd7b19a0e38a542a6f
13. 0x0aa7bcd64ab1520080bf6bd72a75d5f377537629b47f20b8e8d9418871f23602
14. 0xf2a2a0157f28bf3255c9b6847cbe675ba213d3983bbfe1c0848c216c57838e54
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90