Evidence row 2148404

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OWVxcl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3f430cb2-42cb-4099-92d2-c65af15a3b3b/.well-known/agent-card.json"
    ]
  ],
  "name": "Tassa",
  "owner_address": "0x2db071a3fce08e9f5535c38ddccd0fae9dc0f68a",
  "raw": {
    "agent_id": "99998",
    "agent_uri": "https://centralcity.ai/a/OWVxcl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tassa 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/OWVxcl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tassa",
      "registrations": [
        {
          "agentId": 99998,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3f430cb2-42cb-4099-92d2-c65af15a3b3b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OWVxcl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793627085,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:45:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tassa 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/OWVxcl"
}

What the leaf hashes

{"body":"bd15e91f93737fe1caac5ef29cd85730524d9bdee3d6af9751d1595f2451e6f6","id":2148404,"kind":"listing","method":"sync.erc8004/1","observed_us":1793627116370038,"prev":null,"subject":"erc8004:5042:99998","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xd560f5dac142e63b402b83034a3b0c7734db7ac3eab15833e58a7017b663239a
2. 0x38a2d627fe906eb7f026ae1a6754266fae8794a23b076e43545d734d25d6d15e
3. 0xc64f402551fd3a6ea0852c7373b6fab8fb3be382058e38262564bf1c6b5a9ce6
4. 0x9b357271de013585fc4bd00f7d94c15957b2cbfd5c173b6c9499323636f1e3f4
5. 0x8e49cb162d44d30f7cdb42714d6cbb0dcbfbb1006a45698f5aae451f6090af32
6. 0x414688a1ba6bfba5a8f5128893f7330e3e3d363e045458f1a1c4ec041a13f37e
7. 0x9e1df576026b6b504dc55718e51b68fe670cc746ea555953c1864fe61224d6be
8. 0x98f4c9ac40155b0d00c89eb31cecdcf4fef1abc5504c2272d7eb1fd33a125abf
9. 0x845ac96742995a933f8dd8719d6aa4f4386586c37341ad6d9e6caa60ff360d82
10. 0xe88f24bd72232867cc909388fb81d3c95cf718896dfe023dc2a6bb37bb248f63
11. 0x36d2017338871ac6d86bda5fd407cc327391d6094cabb24575c2290562e50746
12. 0x381b6cfdeaf8ea03cb439693a260cbb0d6ca9377a1c036675bd1e416d9d82eac
13. 0x6a9bee5282acc64846540deef79ef327521ab20b00328c4b297bc96a5b4036c5
14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af