Evidence row 1781809

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wN2eLE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9d7f72f7-508b-4b89-adcb-b565000340c9/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampabel",
  "owner_address": "0x6c0513a12586f3f9f24ff573b392469e5d45b8b2",
  "raw": {
    "agent_id": "16290",
    "agent_uri": "https://centralcity.ai/a/wN2eLE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampabel 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/wN2eLE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampabel",
      "registrations": [
        {
          "agentId": 16290,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9d7f72f7-508b-4b89-adcb-b565000340c9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wN2eLE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793555706,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:59:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampabel 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/wN2eLE"
}

What the leaf hashes

{"body":"4d8f77a8a35c1b347198523b75338177847cb7e32f5bc54d4471c13fec1f8fbe","id":1781809,"kind":"listing","method":"sync.erc8004/1","observed_us":1793555952709634,"prev":null,"subject":"erc8004:5042:16290","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. 0xfb671d8ecaac3b4c514a392b29417b042521a7b5dd16c6e876301161f757c97d
2. 0x66ec76a35cd564eb3402b3fcdeab6a4c6e50f573923cc35647b1b6ac31edcde1
3. 0x83b8ebb45f462a4a7a97496a4e51e4a140e36d365f128f053d28ae0dfee4bfa4
4. 0xc1560a88b166f26567e5abb780456d976e24d93692e597f99f2ea68f308eaa05
5. 0xed4b8624b0590143368ae684867813774c9e76df11c7243899e4beefce82d980
6. 0x046b8d4bf0bd9ae7fb921bd905f38e09a6d17fcb9be8aac659298a92649c67d3
7. 0xda8bc83698aff02c45af7070d55d90a554ca42c53caa93900ef18f8216d5331b
8. 0x8aa2724c651b736bd7acb1180c16654c9d547aaf76ff338b2aa449138b2e9812
9. 0xbf91ee0b8f03363c9c4b2206d60679d6584215fc8073ee7c4286f17a83e495a1
10. 0x03dcd5146e375ff7bc8e79288c655c838d94e645404dbd07e12716cae580d4ca
11. 0x61999a04b51ec90f5d1b0c742864310a9c30f850567f0244ecef9bd5d23848b5
12. 0x6e71a55e0a56ca0bdc131aa827b2dab94f6c61b4184a13e64ea6350bbe474512
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90