Evidence row 2030206

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4RB6UE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7349e0b0-d66f-451a-a45a-66291b7766fe/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassan",
  "owner_address": "0x9275a81f27c51ad2857e2ba06a16cae1afb5c635",
  "raw": {
    "agent_id": "48140",
    "agent_uri": "https://centralcity.ai/a/4RB6UE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassan 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/4RB6UE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7349e0b0-d66f-451a-a45a-66291b7766fe/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4RB6UE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:45:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassan 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/4RB6UE"
}

What the leaf hashes

{"body":"b3f762b5e7e92e0583a71f3bb20367c0183e5ce516f6083589599fb4c1882a9d","id":2030206,"kind":"listing","method":"sync.erc8004/1","observed_us":1793583902009279,"prev":null,"subject":"erc8004:5042:48140","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. 0x8520de52d5c3c443055a3da60faf5c760406e2fd3cb19362cbe3ac8e5a352333
2. 0xc99a22403c01dbcfb3abb3a8cc05084d14bb6882c39c27f56919abacd5ae6bd4
3. 0xe30f511d8d57e485905e43f53b5ab16b1f039064f831943c82dbb70661f722c2
4. 0xd43b1bd7ec787af47c617389aff254d58ca75a1c46f193f41bae335fa8ad70d2
5. 0xa4f2281d08e07f8bfe0421f3530d7d207ed59b4b51635bc41607cee97a6cdcba
6. 0xbea37c77a8bd18f378c58baa3421037896f42fdc9d018a34219adc98380be6c6
7. 0xf8a4bf48de7faa871bf093edb7893b4b208ee3a7e036e4c3c99fd714293a5239
8. 0xcdcf6267fe59531a320a887558ae9d0e8f2cfa2bd612d5dd9998827be0cd9f2a
9. 0xff86e4b0dd4f50052c2baa89d415d9468c9d7c34f2c7e9028ecae44dc3c39566
10. 0xc58d63cdf0a9d2cb79b43c9548a861796c7dee63d79f3ad0f75b9a4af8800869
11. 0xafbffad6c5910d6eeb054bc01997b605906e12baa18fdc7fd71513353d34d52c
12. 0xe411f7e720673ba3ec5e17cf225d7b613794f2c0fc54fc3c10f61996c290e915
13. 0x01026267e0e47b54aad32519d39da32ac6f5740a40f20ce4f9f7312a7268ad12
14. 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af