Evidence row 2123402

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/EpuRaH"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a3d332a0-017b-458f-a969-a145b10802bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Hemper",
  "owner_address": "0x882dc7b7fe89c958ff81040a476a1ef3658ec239",
  "raw": {
    "agent_id": "89935",
    "agent_uri": "https://centralcity.ai/a/EpuRaH",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hemper 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/EpuRaH",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hemper",
      "registrations": [
        {
          "agentId": 89935,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a3d332a0-017b-458f-a969-a145b10802bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/EpuRaH",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793619691,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:44:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hemper 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/EpuRaH"
}

What the leaf hashes

{"body":"be408ddb8a6af48ef9f036df5ad485714ff6effa5b89dd904f1227e2d378af30","id":2123402,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619890361975,"prev":null,"subject":"erc8004:5042:89935","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. 0x851bb5e531f7df3ae9cff4ba258865fd6e3d7ef73bb33b03737e5b822c552bf2
2. 0xaa598f5c7953b44880eb9ac112b96999b917dbaff61a4e9c565caf12b240f57e
3. 0x1b7f6a0a2898d2daf171de99eb13d7160147c3ed55152ae5be052f9cef14bbb8
4. 0xcfed2d739c369eb1ff0d45daed5d4ccb8151186f2d1b80abf97208be69bc8ab2
5. 0xbe775ee5c12f86cee1ba95c8694a1dfdee15e89e9085934cee8786e7297e1084
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