Evidence row 2100641

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Z9eZ49"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f605a033-59cd-4a7f-a816-a06817ac62f2/.well-known/agent-card.json"
    ]
  ],
  "name": "Grausano",
  "owner_address": "0x0ad067757883f4371b3f78c4d9698a96a4ddd59c",
  "raw": {
    "agent_id": "81200",
    "agent_uri": "https://centralcity.ai/a/Z9eZ49",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grausano 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/Z9eZ49",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grausano",
      "registrations": [
        {
          "agentId": 81200,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f605a033-59cd-4a7f-a816-a06817ac62f2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Z9eZ49",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793610879,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:20:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grausano 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/Z9eZ49"
}

What the leaf hashes

{"body":"6c528c652e0e35602fea3d109f4e10715516f64ae7e02fcf54d6cb17e2fc4a5c","id":2100641,"kind":"listing","method":"sync.erc8004/1","observed_us":1793611223943279,"prev":2100118,"subject":"erc8004:5042:81200","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. 0xf11162fce5237795fde0bdb757da6f4d077250b39a6762a440e4e338eb9e1b0a
2. 0xd8c829fcfc32be4e8e75632d6813ab51727b5bfc7761e236a2dada4bcce1ace1
3. 0x7cd46e30b6501d2e794e1d89d26a1bf13cfdb53f8a746e0260160528c73cab21
4. 0x02f5af4a0b5089d61d4c5eb699ccabe8b1b3c9736dcd31f341251f3b967794ff
5. 0x57c7c094b4e4c28afeec045ce8eb751da6deebb31efed896f4f5e9ff3025efb7
6. 0x21260a190c262e49c8a3298a1b0baa670dfb0b497be88b8d70b4ab3c34805f66
7. 0x6bb519dc9160a857ccf7aad0d2b2b900e4cb8fdac047030dc522b84a93bc138d
8. 0x69dd15e4ed1d2dcbd578959a0b7c0f21d3caa70edda9b182c927f5c24c92724e
9. 0xf2669a4f2476b3378a451827b41ebe9166a02bb6e608c61df5f36f6e71b3434b
10. 0xb0996049e67e2bf2627e68fad508ee06b54644be487871311b35e5b225f1090a
11. 0x2b18d7576252205a048ee60c8b3a507967d595c2705ca6a509f93aa0b3fad743
12. 0xb1cfd9a92a45cec10e39ecd4e3a55abe88d7bed40e1bf1019d4093968673e4e9
13. 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
14. 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af