Evidence row 1771416

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nOzXxr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8f6b19b3-f9a3-4753-b4b2-c976c90ddb50/.well-known/agent-card.json"
    ]
  ],
  "name": "Tekan",
  "owner_address": "0x2d044c51ec7314af6b5cbf63664fa109bf370180",
  "raw": {
    "agent_id": "7418",
    "agent_uri": "https://centralcity.ai/a/nOzXxr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tekan 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/nOzXxr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tekan",
      "registrations": [
        {
          "agentId": 7418,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8f6b19b3-f9a3-4753-b4b2-c976c90ddb50/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nOzXxr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793547173,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:37:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tekan 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/nOzXxr"
}

What the leaf hashes

{"body":"249d56905ae51d23a852d7b7d836141612a5c931def3b2ef895849efb0350fe8","id":1771416,"kind":"listing","method":"sync.erc8004/1","observed_us":1793547420663198,"prev":null,"subject":"erc8004:5042:7418","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xfa1f9ff1facacdb4ee771321733f0a772cb031c4d411f66091694b90b74f5ad6
2. 0x3eb442ec49e8cc49af7cfa37ca09949a1a523b5196deb6be9f458125694891ba
3. 0x6ce13535f80501c58b60351ae942b93e4f0208db0fc4bc00f3fccc7b68ae7492
4. 0x770eedb816a82875e4f3291b2705f9551160b99b2e5b8081413b955b478c18f8
5. 0xc5c9cc26a9c6c60e9e15b118c8ba14441d4bcb262266ec73e1b80b4959e35275
6. 0x32d1932b4ebef0f1a18a0413c926c64c8a4bcc368303d8775856f6325013db2d
7. 0x70c1e5f95bb2845ca9b2fa33b20f20e80d699403dae553164754fd208f6638a6
8. 0xbde8ca443841942bf3bf6e9a03e1addf38e52482b6b1fe5229f5a0feec19eb53
9. 0x48b2c3e6b9c5f5695daa37ea0478ab6ff7452c4cb77f1c7dcb3b5060c47bcd0b
10. 0x88a3a0a5e37676aa21ab940a42a1f9fda6c53fa9b9651be46003b3085f1f79f7
11. 0xb049f4b69dfb36950bfcb0be4b2fd686c022c5c61145db3debd82f902f21de77
12. 0x6e71a55e0a56ca0bdc131aa827b2dab94f6c61b4184a13e64ea6350bbe474512
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90