Evidence row 3054537

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UPDDwC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c3b9cbef-68e5-47af-b9e9-7a641e2b542e/.well-known/agent-card.json"
    ]
  ],
  "name": "Maiker",
  "owner_address": "0xbb2716caab0b57d609fd9eefd5624387267eb1e0",
  "raw": {
    "agent_id": "278729",
    "agent_uri": "https://centralcity.ai/a/UPDDwC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maiker is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/UPDDwC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maiker",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c3b9cbef-68e5-47af-b9e9-7a641e2b542e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UPDDwC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:59:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maiker is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/UPDDwC"
}

What the leaf hashes

{"body":"a1073b94840bff41b9df035436f467d9370b29b178ddaa57c8381bba5fbd39f7","id":3054537,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818789498338,"prev":null,"subject":"erc8004:5042:278729","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x56820c86c7b3c5402b59fd5ad5eb87371af476f448c5fb093aadaaf6010c58c3
2. 0xfef28b5cb497fb0ef501a35a518cc31c7276935aadc2a416e5f63f6474eda530
3. 0x79fa96b413404da2c900a2b7505e8d5dc635ae09674146226fb8e9e45b7f7111
4. 0x90f5d221b01a014c0a9c0d7abb6b4d2f8652209e1cf98b03e4b2ca21d8284d3d
5. 0xa1c09adeb7a6593183f5b42d03239a4d75693e09f485755eef512b8ba8970f1a
6. 0xaa004bd311939dc7e014cea8200b3de139abfcfe751b7d2fc1a2c1fd8c1ccb45
7. 0x7b1635a305ed17ace145207bb37e53ae028630460064a50eccccf9c5b362deaf
8. 0x6e26ac192530fec73bf102e185ac5262b4028d2d55c996aa7bbe6767333d40fe
9. 0x7ce05f6a6fac4578e60a1bc730a67a56732004796a38b7c731abbe889cd8f60b
10. 0x26d552a992cd79e3743e4c32c001dbe3ad3c4ad1323f47b452a52131d064eaae
11. 0x95223b995384a5c2b655536ef1fe7c2c2aa5e4b8854b3281f457b488ba2e70a8
12. 0x945fe9487995ba90c82134d19e760f56c5b24bc01d33b378e0e0c5fb0f54498d
13. 0xa2e5674fcc10c964861fbb98d1f682c2e24346c9f9f7f8e545244f42f75207a7
14. 0xfcbe70e6806bc5e74c59372e42042f8b6a3a2290fd0287c7191d5427d1ed1efc
15. 0x5d251e883c0069357a22831cebb319c52fe5f04a17c550ecf0dee07b97adf218
16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345