Evidence row 2163408

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3se9M1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/48667fd5-7aac-46c3-8aee-eaab7adeadf7/.well-known/agent-card.json"
    ]
  ],
  "name": "Launso",
  "owner_address": "0x4bf857df408dd80e7799c349cb40ca0f6c548270",
  "raw": {
    "agent_id": "107310",
    "agent_uri": "https://centralcity.ai/a/3se9M1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Launso 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/3se9M1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Launso",
      "registrations": [
        {
          "agentId": 107310,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/48667fd5-7aac-46c3-8aee-eaab7adeadf7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3se9M1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793632648,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:20:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Launso 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/3se9M1"
}

What the leaf hashes

{"body":"cb2ad24faa30501a10bbc6a855e374da722f1df2f216e618b92c02ca8d360770","id":2163408,"kind":"listing","method":"sync.erc8004/1","observed_us":1793632849102663,"prev":null,"subject":"erc8004:5042:107310","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. 0x845fbdbc73fbe2e7cdac62e365f8d32ea08026d95f01c9ebac44e1c1a0e83934
2. 0xc7ff2981edde6663b25a91499ed142043991e08fc154d065ac823a7c02b46204
3. 0xf61350b6e67ec4185fd9a5f9e91e290bdd65fe44d00483dcd63dc0d1b14d1077
4. 0xdccd8fe97d97482b76903d496e6cba02052eba26c75d4295cf22a8ade70bc0f1
5. 0x9d84c582f9334e3f45bcca2b1adfa8c0ea82fd200e9b13ee6234addede289cab
6. 0xfd15d6c3393b5d50a4ea6cd42aced9a00a050677686eeaa246732889e6d4099b
7. 0xaea9b4cdea5e08367bcd4593ca0efb6631100d2c8112b431f9cb9c59295162e4
8. 0x95363be4547f5fefe8ff7c54bfee6dd83be40d71a2d62e2926b3aba2701d904c
9. 0x45fc05d732e12fbfe7bb61a5878f7733dbcb30a245f88ca8529df4d126ce4bce
10. 0xee8140a4af5fd19a317e13534bd0e922295d0f1f5cc9850e2f66ade55cd9dc15
11. 0x12ff09872c679eab51e9b79706a062ddca4539eb3c562b934a1040c62d4e3d28
12. 0x0d7ce903c884125a82bd6ab17048d38483542df814fefc95fd38be505ba8d991
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