Evidence row 2200910

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/EckZaZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9b286e7e-0370-47f6-9ccc-72a6ff33b9ed/.well-known/agent-card.json"
    ]
  ],
  "name": "Nondino",
  "owner_address": "0xd9ac2f9c011033eff5f2c6e70d172b9af31e4eab",
  "raw": {
    "agent_id": "125425",
    "agent_uri": "https://centralcity.ai/a/EckZaZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nondino 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/EckZaZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nondino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9b286e7e-0370-47f6-9ccc-72a6ff33b9ed/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/EckZaZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:13:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nondino 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/EckZaZ"
}

What the leaf hashes

{"body":"26bd01b6fa02d57b4dfc9e587944de1c094be8b0beb56dafc58e08b141d2fc3e","id":2200910,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646798775141,"prev":null,"subject":"erc8004:5042:125425","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. 0x880140697536a13df75e94f93dce71b8139eb0e9514b74c4b3b7c60cc57792a4
2. 0x9061798c7c400f40a5f30a1267247613a316f108b15019097b9608e6404de49c
3. 0x281644b4f03f4a5909b7e98da06c7223ffe9790c77dc9793d88146e431e51635
4. 0x7842584c31dcc9c92f3cb2b77c9717c17d7e414557d76feddbcd412a73504480
5. 0x93ab222e130053c92726b53ec1d2ccd17723e3ba8cc41535fba2227daef65d48
6. 0xa8616d30edd1bff6d46540f960126b5fe26a0d41e5b11c370add0ba833afcf98
7. 0x09f5446e078b849b060a4de79ebfa24706bd9c624de0cc5ea3a3b49b28df5dc7
8. 0xec5f6f53d7d1348ddc7a04147e4eac7a6b8f36949b4c5722125f833a16fcaa28
9. 0xeea1a63c3177e419cdda9e06abfbc339228a2dffeae960ed221bd9a7257d921a
10. 0x85123dddb4af3af814b14b1599ed1ee5dc736e48915a1e13d2b44f1ece9c0c4c
11. 0x48a7d8a73ff3af602180450d457064aad27e3295ef431b56a3513d559fcaebb0
12. 0xb29458b26be0efcbcc070d6949659b739465d717f9b08a7e55e19441848f2850
13. 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
14. 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af