Evidence row 2169338

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/2gh273"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/57de97b2-2e6c-4e2d-9ab1-c84194c3f17a/.well-known/agent-card.json"
    ]
  ],
  "name": "Sampon",
  "owner_address": "0x8ba8113d88bf37ea69ef10109f359afea53dc86d",
  "raw": {
    "agent_id": "110129",
    "agent_uri": "https://centralcity.ai/a/2gh273",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sampon 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/2gh273",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sampon",
      "registrations": [
        {
          "agentId": 110129,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/57de97b2-2e6c-4e2d-9ab1-c84194c3f17a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/2gh273",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793635462,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:07:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sampon 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/2gh273"
}

What the leaf hashes

{"body":"473ca11ee8691fb0034dcc38b83c54b480fa1191e5364348c0e1047d05112e1d","id":2169338,"kind":"listing","method":"sync.erc8004/1","observed_us":1793635626562854,"prev":null,"subject":"erc8004:5042:110129","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. 0x0fb5dbc0a96ef5ece988c41c936d766bb837114f06ee194313787cb2cf9d5f25
2. 0x1ed0d278139f31d3fb9fba5e440febbff5b97dd1bf99ff7964e28a202b29424d
3. 0xc8f469e610b7914a4d69892d2c0914ae6b6d7e4da0a73e952c74b3dab4a4089d
4. 0x3a2c1a4b54e78a540d405e1145fd2ff849610a2dab497a99e89bd8617fd5e2c5
5. 0xc0f0738ad9c6f8d6cad1fad7c2dc43a5f5bf69f3271e3424613d62018596124f
6. 0xb312c55aa3c22d3453781187b960c26e17ebeced7cf50e46225c1e73d4022bd3
7. 0x5133e37441ae44bf2fa55fd42855c608201cd009aff8c8f60976b7a431891af7
8. 0xad448ff689f020b2a4e803dbaa34e7fbf9fa93064421fa14a6954509ebde780f
9. 0xc04924b6cbda7b5fe2ea78f0716dc8973ed57e761a145f87f455cfba4b0a2fa7
10. 0x8381fbb4eeae9294836900250afc6571b1212fc3e0bf451daa394bc0fad12b2a
11. 0xef7191495c7f29d5ce00dd16adb078f6e44dfc2fc5e29ef3012e849c3389ea58
12. 0x37c4ce84bc1fbced66397add5bebabce40461398a546a037487c5eeb7879648d
13. 0xaed8243a14c659d2324c6748095467bfaec6927f1294091015e04180dda07dd7
14. 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af