Evidence row 1827730

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Et9PLZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d7c4d50f-8f8c-4a72-9745-c27dd9e02314/.well-known/agent-card.json"
    ]
  ],
  "name": "Grever",
  "owner_address": "0x518e08a70290fed4674cc43b27841e40ed35c1b2",
  "raw": {
    "agent_id": "27466",
    "agent_uri": "https://centralcity.ai/a/Et9PLZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grever 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/Et9PLZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grever",
      "registrations": [
        {
          "agentId": 27466,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d7c4d50f-8f8c-4a72-9745-c27dd9e02314/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Et9PLZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567311,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:10:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grever 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/Et9PLZ"
}

What the leaf hashes

{"body":"30d632073eb728fa235bc48ddf1b69269a4cd2030c1bf406776435cf93590288","id":1827730,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567401933287,"prev":null,"subject":"erc8004:5042:27466","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. 0xfc14574e224d3ea27eb76cfc8cd9f98725a21373f2a4f216943e329d5b655b11
2. 0x5349b6c72eddc401543183a9c916dce9eaf88752124591c06ca5d2dc54601548
3. 0x2f22af7a059833a0aa2290e0c9ace29e8377226778df0a08249fe1be4ddd5027
4. 0x9f93e79c3d4e81debbd395f4611b01d6f5c3029c856099b13287d5b0477848e6
5. 0xfcb3557ec0056b18e158e71f07d40bc94bd35faee7ed2f4b152c61231f1c5ef6
6. 0xb632a5b3c5b6d20cfec97fc8542f3ea091d6cc2cffa5be1114c7db48af4526a6
7. 0xdea985e752ab6bd8bc1dfb7c43c4e1f13be5a6f62eba75db5e504d1e9fa499fd
8. 0xa4fab649989e5aabb6e3f457e52f83c43925836d720b1a4782ecdf8492bd4ea2
9. 0x714a09af8763b8089ad500eeafcc736bbe188abde5a77950e18548d59436ce89
10. 0x977747cece4a487d43c02e49307f6e43c04f1cd4203ab627c2dca84e7878cdcb
11. 0x7853a7e4727bd0645c5e503374a3c4c03e08bf484dc085b7ab59e561c342494e
12. 0xdd6fd2d3474b1652642889f218206189aa3c852f3ef47e11d3a4bd68c1139aab
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90