Evidence row 2556536

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/y07Rif"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d7e2f2f0-560c-44c3-a857-1752b8609f4b/.well-known/agent-card.json"
    ]
  ],
  "name": "Haumperer",
  "owner_address": "0x02a8c4eb85f5c4448bc6889cd869d9f0acaadce0",
  "raw": {
    "agent_id": "171350",
    "agent_uri": "https://centralcity.ai/a/y07Rif",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haumperer 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/y07Rif",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haumperer",
      "registrations": [
        {
          "agentId": 171350,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d7e2f2f0-560c-44c3-a857-1752b8609f4b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/y07Rif",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696211,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:57:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haumperer 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/y07Rif"
}

What the leaf hashes

{"body":"a247971f5d50b80163fe4e7601ad26d2e1d431585a7372d388912fd9e009bfd6","id":2556536,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696254498324,"prev":2556279,"subject":"erc8004:5042:171350","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. 0x7ffe461572b86d292a1ded01cc5d008b946da2250c8fbcb3ce3af1f95745f582
2. 0xa87e605b72f4b2f42da1e069b3a79efd2dbeefdf449bdaebb3d4893412da4a3b
3. 0x73c74d85e3bfc8ee9f2904da03f063104b809d0bac10f79819c04f07f4e9254e
4. 0x7adfcc3b2a284d7b19f675c7d0359ffb9ece33e6fc66308ea8574600f65d59cb
5. 0xd4ea42eaf4553d8b515b658295d638a851dfa0200494e6e30bb5c59d5e121d73
6. 0x5873d2136b63bb694888684922b107528a87d6a29bf0a14fb1ffa062e7d70181
7. 0xf892d757ebcf440ba84d2134648652a51e3ef364addb14b0c4208e0555092129
8. 0xa7aa09603fc2a7c601bbb36cef88257e7ee64de9fb00ed1e06af4beaa81daff6
9. 0x849dbaaa58d4eb6acdfda941b4513d776a2edbf17a5d5499880462257c2085d1
10. 0x3490711fc3eacf879e0fb37c148cd7a8366a5f9a72806e83cc2b281236236886
11. 0x6be7157ed023bdf64754bdfb42079fa30009ab65c72545e41edce8ff9e3ca569
12. 0xbca293acf7dffd8daab33cc26b6700429c9a010cc6faf037a0965cba77f1dbfa
13. 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
14. 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7