Evidence row 2558927

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/92P56E"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e1d1798a-bc8a-4ef1-9458-97ea4bf24433/.well-known/agent-card.json"
    ]
  ],
  "name": "Plumpisto",
  "owner_address": "0x684a84d4bbdab7c94e6e4f0f833ac019e6a6afc1",
  "raw": {
    "agent_id": "172815",
    "agent_uri": "https://centralcity.ai/a/92P56E",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Plumpisto 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/92P56E",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Plumpisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e1d1798a-bc8a-4ef1-9458-97ea4bf24433/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/92P56E",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:20:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Plumpisto 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/92P56E"
}

What the leaf hashes

{"body":"b3503bb69fdbb6eb60cb6c006d8612636a4e0e7c6440893383a007339b79c57e","id":2558927,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697609886678,"prev":null,"subject":"erc8004:5042:172815","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. 0x21e4d2892a66f219dc6dd1f081b0acacd7538c55cbeb6f46da5e300d9e3c33f4
2. 0x7bd7e216b022a00d17eeb3e1ff3356929549316a5c1cd1f43417887d18461225
3. 0x611c6b2ecc65635140ed875c5d3a142cfa8c6c3d54fe4aff6d1134072dd6d4ad
4. 0x61675a227b162c8f75a1c8b38d1e78e7898cbdb432c8fecb96c1c9ecd38e85fb
5. 0xe5c3200c1b545435ec4cc7d92776e0fa9a4f28f929c6019c5671f4ac0f62380a
6. 0xde4bae13a3a3e41ec3def22d8090fbdd70434af2ff6c4b9fbe3b5c726dd54b72
7. 0x07d5a5ea9ec49c12e2749581064582f425fc5a167a0729a6aeced30df8290031
8. 0x8267aaa7b0525aacd760da91bfc1d951ef864903bd73739983901e1f93aa09c1
9. 0x9974cc31b1d55bf5596440676a05375a3cacb81b23ccf4eaf2da8da53a9a3a4b
10. 0x3e01b39344b4fa0262b9777566899b015c1c73559565cf828a3999ec578d979f
11. 0xd6e52f88d113c9f5874d568d2bacab5e9646fdfad08373e39e7b1dff385ca671
12. 0xf3868fb2605c72c4bb9ede57d50d97fdbfc1e5ba7eba5de96f1352e52739f1fd
13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7