Evidence row 1816669

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OTOaTc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7f1a066b-900b-4cd5-b5be-da99a89ae99f/.well-known/agent-card.json"
    ]
  ],
  "name": "Fiba",
  "owner_address": "0x4f74ba04ff4e7e1c4db0f2ab600fb14517af76a0",
  "raw": {
    "agent_id": "20632",
    "agent_uri": "https://centralcity.ai/a/OTOaTc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fiba 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/OTOaTc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fiba",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7f1a066b-900b-4cd5-b5be-da99a89ae99f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OTOaTc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:33:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fiba 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/OTOaTc"
}

What the leaf hashes

{"body":"be7b9bf519e0f1453e532f85ce22b7d2ec0ec86e91bafff74d286a6c457ebd1b","id":1816669,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561588263448,"prev":null,"subject":"erc8004:5042:20632","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. 0xf861809120e56434e303b7519c3822f325f92f63edf3fb1d3b6a0268fa85d325
2. 0x24cf561dd2031f92a32467b629cce0f65824b3f212990dc13c2805ea449d03ab
3. 0x8e04e703a8f01430b24eb38187bc0f8c5f52baefa6afae4ba0865fabf5b585ea
4. 0x71a328b4021b9d6482997c724f31de936958976594fa92f3573adfbac10c7c10
5. 0xf4b0c38e188b192ded35219d055bb14b188bedd7865f1d0ba41c8b975017bb58
6. 0x019f78e7ec06c1fbc4bb182b2d39ec1a793f6bde80ffadece2d19acd10ef54e5
7. 0x642812cf66c88962ff07e97eea5743f984b1011856e8fefd83bb60597f869dfa
8. 0xb8efa4eb56447b77f17e96d98324dd99a60171c14568a28ea0fc07c2a26f3844
9. 0x7b5be6eb8c679ddb48241044d3a2f1f3b34de96386b2a505409045403cb055ac
10. 0x83b39b2deffdd0737526bd705c2417a328e092f62a6089d801d15d84afda2512
11. 0x948ae35a73f59827872fc8b3a229109f1e88f983df3e9ff565812a297d31ecd0
12. 0x93a6b7f41af5d3e3bc733eed46dbda51f57a4d5a3adef140d3df24a1944c24aa
13. 0x4ec6a6783b0fbf13d364df34dd919edbce7190c4f5424e6bc50d2f35967469a4
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90