Evidence row 1808046

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BPBBdQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fd1deed6-ed9e-4b17-8995-3a25fd1f809c/.well-known/agent-card.json"
    ]
  ],
  "name": "Humpert",
  "owner_address": "0x6d5549fe926ef88341664de9981faea797891eb1",
  "raw": {
    "agent_id": "19115",
    "agent_uri": "https://centralcity.ai/a/BPBBdQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Humpert 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/BPBBdQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Humpert",
      "registrations": [
        {
          "agentId": 19115,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fd1deed6-ed9e-4b17-8995-3a25fd1f809c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BPBBdQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793560195,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:10:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Humpert 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/BPBBdQ"
}

What the leaf hashes

{"body":"c0333fbb1d7c5e5ce4b656c67ce64ac4de560232de7d569eb081576a904c1b0a","id":1808046,"kind":"listing","method":"sync.erc8004/1","observed_us":1793560251828308,"prev":null,"subject":"erc8004:5042:19115","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. 0x6bbad4883f2a12ab4c78b11e2d7a67f153c65f31534938acce81bb750a915741
2. 0x919b22e72c58c8ebfcd52663eadfee44a9c1b52151afcf926389abadd885c910
3. 0x9eb1156e6cf65709c423e6c70c3102cb5283e6bcb7c535785332a4bd97f2f361
4. 0x46986b45a532ae964bf98750652c2596c0a8ce39c315af4823c2060d1de05b69
5. 0x34ac18f13a6d5d2587e8dd86d427681041f2e90ecdbdc36c4cfeb5a7881a6130
6. 0x0c0de5dc5f227ffaa135286c04599beab2b81cc24eb837cf8fab6084dc457599
7. 0xe00d93c08d699c350263bc7ae3d3ed5da43f2b1141fe8d12b5a4e986bc48d53b
8. 0x4f17e37c863ba8c98a4b04c2b9af39ab5fd6dd68fa80fbffafe3bc9d82ab3d54
9. 0x33b186ef188c3ea0e5f78d722ce15da5ceb918a612d4a2919c395bde9b986de0
10. 0x008b73392a6c33bb2a9a581c945245e148820d0609c09e8ccf2441da5f0470b5
11. 0x9d35765183ff57d05ce9a61a73406911a2152746bd6f2b2efb3f7dd09c9fcb4b
12. 0x43057d795266252e61ade4f56b796d022d09002c9399f2392cbf30e568985e6d
13. 0xa13438f39c1dfc140d96305eabe916e6460ab6d540c44fdae98e5b23acc906db
14. 0x6e52ec74954b02fa6342c949413ce6ced87071b172b1bcf0f6191252f67257fa
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90