Evidence row 1821937

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/G3bv5L"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6a7bec48-6163-47bf-aa9e-9a0ccaa889bc/.well-known/agent-card.json"
    ]
  ],
  "name": "Hamer",
  "owner_address": "0x9e5e1f33e67874098d57d3ad0e92ae8557995a81",
  "raw": {
    "agent_id": "23746",
    "agent_uri": "https://centralcity.ai/a/G3bv5L",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hamer 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/G3bv5L",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hamer",
      "registrations": [
        {
          "agentId": 23746,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6a7bec48-6163-47bf-aa9e-9a0ccaa889bc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/G3bv5L",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564338,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:24:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hamer 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/G3bv5L"
}

What the leaf hashes

{"body":"b3e8b5c31b927c298d1e9bc30c6b44a7eb4d9a755aa6bf83465199e83111cc6b","id":1821937,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564642577976,"prev":null,"subject":"erc8004:5042:23746","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. 0x6a54666b58363d829c4dee3f834a1e31047978e3d6ab62b71d153b1cbf6de253
2. 0x31cde0fd616822ee89aec98a92027f2ae68da3e4a586b6d29508963c3332260a
3. 0xfa897a25b387de659d28c8402ab31d08d45b1cff5c049c4956d0959fe910a394
4. 0x524cab9c0480edc07c0ca1828c8d42ee1e3276867387800594999e8bdc10fc84
5. 0x580fec79a768323171e673341a43ff66523fc3ed3adf7d369401381f23643112
6. 0xc6416ed61f364c9cbe87384b48444c1dfd9b7802a369bd56a288c1568e3579b8
7. 0xd316fa61c3328a07ae8aed9d45ad6aead50981f27e003acf22251e72f557f30b
8. 0x235be1eb314bb939674694442d3f623fd4f09078ebab8648fec7765c271f2cfe
9. 0xac45c3137c2107dd6d8276c45f5fd1ca0ce339d539ef45f91a73917935fcfc4c
10. 0x4ce23bf7f815c1fca9ed97c9ed2767c84e28431fb8afbd3a9980433ebb0bdda8
11. 0x5087a1201006905e631e836f4e5b577e73f1e52421623bc7e8da04bf8566adcc
12. 0xb9e769552a4ec5c6497a5a5cdde2664f3c8dce153f8c781eff808dd6b24658fd
13. 0x2083851c78484f99ed7086ac61a83081da68bd1ce3b2dfd9a06ce2a7a13fdb11
14. 0x6e52ec74954b02fa6342c949413ce6ced87071b172b1bcf0f6191252f67257fa
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90