Evidence row 1828362

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/C9fvKR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aed83eef-e7cf-4c9b-ac91-da4ffbfe0b08/.well-known/agent-card.json"
    ]
  ],
  "name": "Gramper",
  "owner_address": "0x36a33235d5eedaf699790d50f2c19cf0c54321dc",
  "raw": {
    "agent_id": "27841",
    "agent_uri": "https://centralcity.ai/a/C9fvKR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gramper 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/C9fvKR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gramper",
      "registrations": [
        {
          "agentId": 27841,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aed83eef-e7cf-4c9b-ac91-da4ffbfe0b08/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/C9fvKR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567604,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:15:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gramper 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/C9fvKR"
}

What the leaf hashes

{"body":"027085cd1a9b8923f30f796056d9ab7be3d517cfb31e237967acbe85afaff839","id":1828362,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567738951046,"prev":null,"subject":"erc8004:5042:27841","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. 0x6e710488da30e99c141f65b87692cb8a80f4261ab415e0495af09bc3f60fc4eb
2. 0x110a3cb47fc7e9f13235423368407173f9d0d46daf4ba052a94d2a470c36f8e0
3. 0xbd3a565a7ccf43735fa2d20f9dee57af3a9f6221cc3ca3a3bf030da6151f8df6
4. 0x4a6aee5a991d83558b8497451aa8edfeb59494ba3e315c2fd21bd2376e078d23
5. 0xe993110fff849fcb957d59b805962f3dae1b22e278bb293725cd223240ce7d7f
6. 0xb0dc377075fac8c4dfce6b63ebec05bd561930901e91ca82fb77bc38c11ed52b
7. 0x3abdfc6bc8a950df5bbe6dca3b9e53900026e87b803552bda3cc1bbeba68d860
8. 0xc2b22ed24842c2b7c1d1f6d4bef03a81b01738c2592b3cf1f8bf8e01ab3deab9
9. 0x5f18e29992ed75e5a1470dab7c392a1f2615f01a1dd89feb5c611914db2ca996
10. 0x443af31b6e4662eb8d4e409e8d2145e3f21a5f5e424c62e48f84485f5d7cb672
11. 0x8ca28471b9c15c9790762a40ca7f06a35d88bfcb67f1c3c75a7f9d80038cd1da
12. 0x297f36c22fe804744c292be39eb31c1120a3055c3ff4909fb350387ad7722760
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