Evidence row 1827783

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tZIUcW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ee3f2c64-3247-409f-81d2-f7045db86472/.well-known/agent-card.json"
    ]
  ],
  "name": "Tampan",
  "owner_address": "0xc25e295761bb1fd9296bcb6298638ca83faa11cd",
  "raw": {
    "agent_id": "27518",
    "agent_uri": "https://centralcity.ai/a/tZIUcW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tampan 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/tZIUcW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tampan",
      "registrations": [
        {
          "agentId": 27518,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ee3f2c64-3247-409f-81d2-f7045db86472/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tZIUcW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567343,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:10:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tampan 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/tZIUcW"
}

What the leaf hashes

{"body":"3e9485987082e5794f5d802e3f1ccbc0a53bd33ba274d752ceacfa88bfcf6484","id":1827783,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567402098676,"prev":null,"subject":"erc8004:5042:27518","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. 0x5db44a6158f6c4cc2f2d0fefc957a834799ca0ea5164d7e20e21fe6773653e95
2. 0xb66c336eeb9c8dc6940f5275868b99b97a6f7d61ba549634b49e4a8d2fb19d73
3. 0x970a12e0702d4fbd93f6890cbc3c170423ba6e68db4c270fa1a13136b486ff80
4. 0x63d6ab78e3ae9e89464ce0f4059ecd842eae88f8ab390bf898ea66bdce282d47
5. 0xe8ba6cea8ff16fc9ef2189c2c98dc5cf8772c1d009e5ee0e11e2222a13ec5115
6. 0x3cacf5de84f03c9ae578157b0886c91455a2675e0eec1780a3a59bac275b611b
7. 0x04fb847f3040c01dfd6f2ff6dd374b289a9d8cc4a9fefc7923c325db4b34b7f7
8. 0xa37c2f44d3b286234570e454520b56fabf2ce789d611d561fd6f270463a6f6d5
9. 0x6cc89fec7cedd4a77283a9968476473fe1074a50b47d8d204ad694ae84dea3c7
10. 0xb3f2fcc24ff2de9294ab64c4293a41a4d50bf4493ec6e2ca1c196d442cdc3480
11. 0xcb7ddef7215b9243aaba63056d38f858c88b05031c0219e3e94726561a2e6006
12. 0x07cb03b5ed486f46772ec21857ced937769ef316266dfcc3443224253255fa20
13. 0x19a33f29777ff00bbae876b4baadad6a9f224ed0c0531dff5b103d93071e3805
14. 0xa98b629d4ece4f8bd55becbb0c526d64cc8958c38de14f3aeccc5e2a5bc50974
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90