Evidence row 2280388

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/e5WmSu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/062d723a-e6da-4293-ad63-2832d0dd775e/.well-known/agent-card.json"
    ]
  ],
  "name": "Fontias",
  "owner_address": "0xc42c20247631d5717807dcf365de2c0a3494f177",
  "raw": {
    "agent_id": "133421",
    "agent_uri": "https://centralcity.ai/a/e5WmSu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fontias 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/e5WmSu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fontias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/062d723a-e6da-4293-ad63-2832d0dd775e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/e5WmSu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:11:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fontias 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/e5WmSu"
}

What the leaf hashes

{"body":"a23a6048fb8856ae3e04860f5c871ee9ba8e1dec219f74196e8700101c3ea33d","id":2280388,"kind":"listing","method":"sync.erc8004/1","observed_us":1793653888593532,"prev":null,"subject":"erc8004:5042:133421","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. 0x39a09bda04f27361d4492a01c92ddaf9d6636216b1fe95fbecb5874d9e3318b2
2. 0xb2603c1e455789c4ed7a134f2b0bb05a98d0657f233b0273f92916303eb913fc
3. 0xb71884e802dbbbc07cb9a392bb43137d01d42540ccc3866d727f3871592ef567
4. 0x01f4fd9f14c0e397ce9bae70ccff54c311c0df4a07766522c9c7802653fbe12e
5. 0x03350199e96314242a42971b0d3fa04fdbcfef8298fe55633951deb76c88102f
6. 0xa4c3326340d858d05b3cb795a0c9f77297c76a10b6e08ae2c1187d8d2b00ec8f
7. 0x9c673da883b83bdbad44256dda57566a7465612bacd2b5472dabe48c2413757d
8. 0x4f082ec3beb61300fcedbb1caa0e73ae6cc426a04116f0bad6461c326283c766
9. 0x0a20761a77e8365312b056dce1f1343160da2f3554193d674277f0afef2c6cd5
10. 0x10ac1000d78140247d412d6da939f1f40eb3b69efa4fbfc28e87c859494f9546
11. 0x1f59928c8602693f29728ab5392dc58f0d53d97d880581cef5c86a8d9aae361e
12. 0xce9bf2fb06edf633b852c2a929fe0335a13dcc34aa7487c05c9c839715c4ed14
13. 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af