Evidence row 2087293

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hgOetY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4c2d4d3e-a55b-42a9-aa66-5afad90d9ad1/.well-known/agent-card.json"
    ]
  ],
  "name": "Takano",
  "owner_address": "0x0e0a8c9ae3e3cb8b8f54f03fbba9e9166d2220e0",
  "raw": {
    "agent_id": "75107",
    "agent_uri": "https://centralcity.ai/a/hgOetY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Takano 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/hgOetY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Takano",
      "registrations": [
        {
          "agentId": 75107,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4c2d4d3e-a55b-42a9-aa66-5afad90d9ad1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hgOetY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793605753,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T07:51:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Takano 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/hgOetY"
}

What the leaf hashes

{"body":"c2b1b30539fb88df51e3f0604dd2d78b5f4ccfd0d606d3840b7c607dba28e88d","id":2087293,"kind":"listing","method":"sync.erc8004/1","observed_us":1793605868998176,"prev":null,"subject":"erc8004:5042:75107","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. 0x15742570bad53ca9348222aa2c535bde937049d0933df8f5b0347e18d9eecf2c
2. 0xea293cc0d9b8f157fdf92176e41e2194e26f69dfcf56a1343d314f7e8ea0d2e1
3. 0xdab175fbb9bb8b9786671e5191d66eda7795faa8679fd97ce6ed21d465b4b3cd
4. 0x4670878f87fc4170c697bcef60a15f3b2d998c3127f9febc1b389e0508eb0bc2
5. 0x662fc13381341935f9f2691a81f5dec88a57391caca3525724ec84d96a6afe55
6. 0xe98edf0e0ea034c8de9fa2742c34e8322bf72a332a1b6be0aa806d414fba37d4
7. 0x1e7db0de523444e0d092659b287d697c0ff1df14514ae8f40679d7c3fb7edcae
8. 0x946a64e6ec1a9193ee1c77dcf1a6764b722f5a27cbbd8e48be8dcaba0f05a3a4
9. 0x77e54071f96d7e5517bbb1f8d59f96a19427ff1e3377169989ed90554cd2720e
10. 0x84b052500c69ab3497c367671b8d84864e6a7a2a6729b5a8979b6aeda0b2dd4d
11. 0x5d8af36f8dd85806f8fe29f3e7fad48a8ca2fe71ec7570597adea823eeee2183
12. 0x694772bd88c608c978c07a5b88c13f219f0e5b849a0c034e7cf4e9550d4e78c9
13. 0xac2edb456c581283e2c60a03e146bbba52ffbe8a277ea7e858384f30bbc24d54
14. 0xd35a6b56332d7bee4b13ce3efea77dd0a6863016f58691fb78e2e2faf7ab8e87
15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af