Evidence row 2197778

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tGIXZA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/93b15d76-34a8-4f45-afe2-495f8b2307e2/.well-known/agent-card.json"
    ]
  ],
  "name": "Saumpis",
  "owner_address": "0x08ef65f5559910797481428bc9295e8159b0c03d",
  "raw": {
    "agent_id": "124987",
    "agent_uri": "https://centralcity.ai/a/tGIXZA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Saumpis 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/tGIXZA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Saumpis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/93b15d76-34a8-4f45-afe2-495f8b2307e2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tGIXZA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:07:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Saumpis 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/tGIXZA"
}

What the leaf hashes

{"body":"8264496856602660b5d97abe64fef3b9b184791f6ec3f8b4b1597c227ba90635","id":2197778,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646442683168,"prev":null,"subject":"erc8004:5042:124987","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. 0xd118b4d25b28e41c5c994b03ce58ec60b0aeeb144b7995d9a71dc6705d1a9b33
2. 0x38752ffebdea104ef750f84b0b10ff2c123b0a3030853212c06f4ed34c50284d
3. 0xcb89adb3e2398a10cd4e465a162a88fbad038797208406d4d4e30df276f338a4
4. 0xdf3de92bb2771bdf8b480801cd997050f3cd0d011d34520aedd1f7fc57ca838e
5. 0x122329c8cc965f0d5ba65828a6501a28686d5bea9c9bddbfecfc1ab06ceca306
6. 0xcc5ac5a00e04b92afb1f65a361bf00e0e40d829db258a5db10409096a5348f26
7. 0x60b9f18ce793e6bbd5d59f5ca9e5b9da1a83dfe8017f4253f092e9c32f2a2f92
8. 0x55d1a22f356debd3b5b8635de00359093c1b3bff6fd1426d09ec2e217e3bff2c
9. 0xc7db7aa093b13aeb11b072678c1d44cf1d33fd1a133131d3181b62657033a388
10. 0xdcba866664088baabc431ae83a4f7ebc1d7e3c105052583f3f7b84a5e964809b
11. 0xf4f0bdffa09557163bd0c1a2f760dd973e0d833f8456d05fe3eda1f4511efa03
12. 0x6c6cb72d745b4a8ad150be4760c8154b49f6ad35e9d44abb2daa660451d19280
13. 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af