Evidence row 3019554

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BV5WyY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f12d6008-a3fb-46ac-bf67-9260882c9273/.well-known/agent-card.json"
    ]
  ],
  "name": "Sasteon",
  "owner_address": "0x42ccd7f9865275ff32803ce5736d78938770bc37",
  "raw": {
    "agent_id": "255207",
    "agent_uri": "https://centralcity.ai/a/BV5WyY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sasteon 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/BV5WyY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sasteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f12d6008-a3fb-46ac-bf67-9260882c9273/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BV5WyY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:58:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sasteon 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/BV5WyY"
}

What the leaf hashes

{"body":"12a9065fedd305bcf7991d505d00c25655066d482ddab42b3b07fcfb57e36b12","id":3019554,"kind":"listing","method":"sync.erc8004/1","observed_us":1793804293399914,"prev":null,"subject":"erc8004:5042:255207","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. 0x3035b1c4cc2b33d7b2e671bea4474ddf28a477ea877ce1d98855fc62edf3dd26
2. 0xe246d0d29aee01b6e7dff81c08537103d4617853b7acad7a983e51aafb6ccb7d
3. 0xd3f8f0c1be73bf7da2bde153951f4af02647e88c6d35c3ddbb8cd6d0c998f953
4. 0xfbaef277311e9c2da26efb91fa06fbd82d2eed5af3881c30106a636c43df24b4
5. 0x81605373e8fafca9b25a3e0f24a402eba81cf828ccc3c95d7c3dd2015252bb03
6. 0x3d555afd1df5c759b1685de2aeda964ade889ffa96e889c95807c631e4128fe9
7. 0xc324bca0cedd6e2f5a1bd8b51c50f8af95251bb73742f504e0662e8bcbbd2b25
8. 0xf1613df0ea2f24c57ff6d3495d62987f5aa3c0be9c31ddd3b8ea30c2f32901d6
9. 0x6644805790677b884ac159ec01d78163df07786aa1abf04873aeee652b4ced83
10. 0x8d4e42e2bf123adfa14c7f1054f7df4b7e320f767b7305f8175b90c66f9e9938
11. 0xadbb6bd27af1a5ee84cff64ad4096ddc2477a43d58a64af7a42b7c0cbb313c09
12. 0x224a6f9b22ec17bfbef7951c8a2a2f240c8b2662e42f0a00e122de77e92022ae
13. 0xb87b397608c9c76acc942d38bf1e88c0a9cbc532b34602d930d9a18e37bf39b8
14. 0x9d907331506c7b04c540d946932cd0d003e3b8bed785427b82286d101a946ed7
15. 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345