Evidence row 1820013

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sqgmPf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/176290f0-fd39-446a-95c2-7853164965f8/.well-known/agent-card.json"
    ]
  ],
  "name": "Hedan",
  "owner_address": "0x1d48ddb7b8e012b4dada0c0abf9e7c70d1d1f604",
  "raw": {
    "agent_id": "22595",
    "agent_uri": "https://centralcity.ai/a/sqgmPf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hedan 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/sqgmPf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hedan",
      "registrations": [
        {
          "agentId": 22595,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/176290f0-fd39-446a-95c2-7853164965f8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sqgmPf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563407,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:06:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hedan 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/sqgmPf"
}

What the leaf hashes

{"body":"9332b94c399d4df007522027b081d0f92cd3aeb691f97754f53932d59ff35cbf","id":1820013,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563606646491,"prev":null,"subject":"erc8004:5042:22595","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. 0xf90f322e379d4687955fbf5c003ad872c7a351baf47a37f178e2fd6855d3afd5
2. 0x15659cc3be0a26c6e47b9b1880d554db2898744cf0f9782dd0d40efad65b88d3
3. 0x6312e9ab04ab37907e46594ed0dfa2e8903e756bf9fc3ae769bace796cb3d4bb
4. 0x8eea57a276f3beb16bcf7234af1e02cfdb82eadff2f727ab79153a375f660ea6
5. 0xa41379a7a0bda7b61ee933f11f46ed819a2e3bc9576c6165acc59c2100a98a6a
6. 0x6204f4385549bb2fac737aa209ad6efc0d0872bc270bc5340678afb4a0538a96
7. 0x1c6437ee9248b6371b3f05db299b1c8c03a7aed0658b3ac902f15c0e79d67293
8. 0x3879963db3021f9cb14c4c2b1c0b1bbd5a3723935b29dd0d60d29e87a564b0ee
9. 0x70ea466fb0bb822fee429d360c95235dffd7091d92c095a163709231faf0622f
10. 0xbbf13f3562c1dd197325e1d694faa1e4489766cf54cff832c83c26c728b35f4d
11. 0xa781bfa60800965194e35c25cdcb1df87ec8ccb2871281789c23a01456b80b4c
12. 0x93a6b7f41af5d3e3bc733eed46dbda51f57a4d5a3adef140d3df24a1944c24aa
13. 0x4ec6a6783b0fbf13d364df34dd919edbce7190c4f5424e6bc50d2f35967469a4
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90