Evidence row 2012052

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vggRR4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a6188def-c760-42d5-931d-d7a4c97792e8/.well-known/agent-card.json"
    ]
  ],
  "name": "Elempeon",
  "owner_address": "0xb70bfd90866ba3636975cb6f0f430c70b5b1327f",
  "raw": {
    "agent_id": "42590",
    "agent_uri": "https://centralcity.ai/a/vggRR4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Elempeon 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/vggRR4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Elempeon",
      "registrations": [
        {
          "agentId": 42590,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a6188def-c760-42d5-931d-d7a4c97792e8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vggRR4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793579204,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:29:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Elempeon 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/vggRR4"
}

What the leaf hashes

{"body":"1799e1c6e86085da363e31ff42178dd449181e0a8ba545d86af648fcb5cf9586","id":2012052,"kind":"listing","method":"sync.erc8004/1","observed_us":1793579393075701,"prev":null,"subject":"erc8004:5042:42590","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. 0x273299a872fdb62f55bbf2b057b760a3487ed5d2acece9f1f0572f397e6000c3
2. 0x575b9f9bffb1db28fb66095c808d803d4b2d2f79d4931b16dee71eb6b1e3a25d
3. 0x02e37b65b95463733e7b2aeda060517212bbd7557802b1e80eda157c8b126f7e
4. 0x6149d5018b7b6094e54bc7263a6b703958f2d236670294067a49b07318457697
5. 0x8df78f2eed23b0ee00ce5b02ac5d2e9e8d4f24311817002c8022c79469e4393b
6. 0xb71e1a45ea4324203363e4b3cb1868f37e9c3fb1ab299c203790e114af64b503
7. 0x3a0cf8ce0be14d4491786f811c17542eab74f9c679af4f0a83a92cf6d4044d78
8. 0x44ee2ea1263fc3b6abdd4e4676eda1722223e4f1d5459b4cf11e2e90e4acade9
9. 0xd92faef67a223f49391de73872df07a595bd664b552ea6add07741ff7fc7ef12
10. 0x2b0b3ee338f62b46bc13938d277a92aba17434492fdbdb52629948616bdbc712
11. 0xccd7479110ae0b1a3d879f5c31a0622745119c05583240b91a64a380c8663ac8
12. 0x30c69c4e48cdef428405637e6d88365f3fdec762798505e86a1433a12aef6112
13. 0x5b0b305b931d60b176fe691af870b79057a88d761c8f0709f7516abe01b03974
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af