Evidence row 2517715

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dtvXbU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c313a390-e962-47d9-b71d-0b0aa9fd0c9f/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifero",
  "owner_address": "0x8f65bb51e40e7b8b265f17fd8b5b6bc2f4977725",
  "raw": {
    "agent_id": "155556",
    "agent_uri": "https://centralcity.ai/a/dtvXbU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifero 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/dtvXbU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifero",
      "registrations": [
        {
          "agentId": 155556,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c313a390-e962-47d9-b71d-0b0aa9fd0c9f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dtvXbU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793677526,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:50:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifero 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/dtvXbU"
}

What the leaf hashes

{"body":"f034c5e74a6e5ce92fb952c17d998b5fdbe6873d9d20f2709d2abebe5c54e03b","id":2517715,"kind":"listing","method":"sync.erc8004/1","observed_us":1793677850542837,"prev":2517255,"subject":"erc8004:5042:155556","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x7a4bfcd210a76bbbf0d032d1ca0111518f49497341b34499e8c87b6304e7ca4f
2. 0x752a12dda92a3091f06336b7d61bf0f73c756180b88675370d9acc5f144a50cf
3. 0x28bebcda3fd8215f1027f7e278ea067fa67ec1b2b518a98e53746abba62d6160
4. 0x4e521293cab31e8d16e0dccb3def2961db2023809f47995999e2fa60daf6cb77
5. 0xf3f2d652ee9cec888fbe3c2f5d3a5db90477e19526778877a46a2634c947e790
6. 0xfbde9faebb91eb0b4a37310e5249ab432e7deed0ec23192d853e905e919a3a91
7. 0x519d350812676518548e47047850189ef20a85506eb341ef81ba5d36f8c1635d
8. 0x3445e5eac06925ac0758eefd8a1b1324578fb679453579d769a4b39258925aa2
9. 0x0ba9906bb7fa74d9213ca1dd2fece96d27e8160a2b3e53f1b4f95c2eeb310bc0
10. 0x76abc71bc99c26d92c68b57259c236dbe4c8b878266ede517f8ad078a342b963
11. 0x924b662a0a88c30319ea9d755217c9169aeb836e634e4f0334512864b9af4f04
12. 0x57d6fb14a6313ce4aa51862ebcf194cf2e03be7a66885e4c88a52d6b0498b45a
13. 0x5298391d265ab9f80c949e86e9bd5b637fedf3347217f0b74126011e53908e9f
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7