Evidence row 3429603

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IOoHSB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1004d96f-02dc-4f9c-af42-08267078885a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hasteon",
  "owner_address": "0x9191409c690613872eb7975eb4c21d1cb72cc126",
  "raw": {
    "agent_id": "345439",
    "agent_uri": "https://centralcity.ai/a/IOoHSB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hasteon 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/IOoHSB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hasteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1004d96f-02dc-4f9c-af42-08267078885a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IOoHSB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T16:59:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hasteon 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/IOoHSB"
}

What the leaf hashes

{"body":"82a2f1cdd3453bf5cce29339adca341253a36948db26c3d2af682edc9e0f80d9","id":3429603,"kind":"listing","method":"sync.erc8004/1","observed_us":1793897953849688,"prev":null,"subject":"erc8004:5042:345439","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x44b2bae5e771d2aa659568a8cd180ab71a6dcfe896446cd927e9662bd2c67869
2. 0xfa2e5b14cca3302201718b8c47d08ba91c87b289ac5a5e61e48c5dd392a9bcb4
3. 0xa09ac45ce67b26f3990b9fb4acc282b6288e925762ff4a37c7fe9e3cf6e9972c
4. 0xa9407b68ce991f56ddcf5f0d8c98024da5dadac4ce205cd3798c1f0ed0dd10fb
5. 0xecccb6b053d3767b7a79a95a2000d912c934b937be3c1517ad2347c356e873d4
6. 0x07cc3c9e8811fc35e9dac8b557cb4d0a7d672d1cd89b871b62d4566af4c91868
7. 0xccf7c1e7ccc4c8441f435d2b26c54f04396fc0f0e1495d831af1e77f200beb22
8. 0x89d1c33c8bab9dcd17ebdab819b5d6f4c1554b82baa32b14719d44bf2fc112bb
9. 0x665773c3e19f5fe7fc414123f1be38099d9c4cefe9070613c5e54f007ac3addc
10. 0xa51dccb0f3670f2bdfb956337b6a7de044dc690e96770a025242e4e2fbbb2c23
11. 0x856c4df593db0ac5193a105ae738d5450790599c7a80a28992ebe2db5e3055db
12. 0x2d20060a44b47cf87ec420b7f3b3a3ed9daf171215c4b67ca814f088fe613d89
13. 0x649d8ec60f06f8cc0c38fdc08389782fe23f0b52157e9e096cdf0a782e022b10
14. 0x23329bf53eb2e958bbb3475e431fb82ddb0bfd349513425995db63fcba47983f
15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94