Evidence row 2074540

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cfHYEq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0253dfc2-2f23-45d7-8634-8407f33939ee/.well-known/agent-card.json"
    ]
  ],
  "name": "Hubo",
  "owner_address": "0x88af94163c9ed346f2ecc69d9b2ba0d98ab8f7e9",
  "raw": {
    "agent_id": "68816",
    "agent_uri": "https://centralcity.ai/a/cfHYEq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hubo 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/cfHYEq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hubo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0253dfc2-2f23-45d7-8634-8407f33939ee/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cfHYEq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:24:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hubo 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/cfHYEq"
}

What the leaf hashes

{"body":"565be478ebdfd9deb6213f21ab8b21040fac49beb140b65d0ece14f79cd6ccc3","id":2074540,"kind":"listing","method":"sync.erc8004/1","observed_us":1793600657041205,"prev":null,"subject":"erc8004:5042:68816","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. 0x70f282821a39e19a298010994e279368796461479f7fe4ccaa88fd810d9265a9
2. 0xd6c635e23f6c06c9b28942356e7a0280e9178805ebe37b3f6a94d5f9e2762541
3. 0x9a367eaf890fd9b770713786da2e49b927a1c5353da3503ed8a62c897fc0ca37
4. 0x5de0ba32e6aaad7fdc65c16f3f443e6fbc3a8382ae18f7bab764770a04e70184
5. 0x445c3ece11e7336dc34eabec63dd646d8791bd6635cb1cb17846a7f093f4df14
6. 0x66f80b0e4717cd90e3839c18563a10664fa92262b966a2d32aecd87feeea55f2
7. 0xb732dbe777a0834a559912a2b1100622c9e45cdc44acfc3d7efce1900067efe7
8. 0x243f63316e5a03e3505b2f58986a6a2e1dd81357e92a25a49d314ff6331e29ca
9. 0x67ea4c113b496e576088de224310749be3b26c26f18b43fd83ea16f07fee4ff1
10. 0xb964c32717561fde2dcc8a566470154686f5d46c17872a4238c85c6f95485bac
11. 0xac15408075aa2912cf76826642b7a75a9428660e80719ce577a65c1fc701b2c8
12. 0xfae5eba0f7987b5c42177d337465c3ecc14624ad4cad3ffd025f9ac681fc2c37
13. 0x608160924e1d66c9701d48e69e878606fa6a4dd94a73d3f0570dadb0c3de65b3
14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af