Evidence row 2721059

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xNuisX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1b335b46-6df5-4187-954e-ad487d26a486/.well-known/agent-card.json"
    ]
  ],
  "name": "Tessero",
  "owner_address": "0xba13dd4c4c67dc911aa2390da3af664999cb8f2f",
  "raw": {
    "agent_id": "208261",
    "agent_uri": "https://centralcity.ai/a/xNuisX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tessero 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/xNuisX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tessero",
      "registrations": [
        {
          "agentId": 208261,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1b335b46-6df5-4187-954e-ad487d26a486/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xNuisX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744273,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:23:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tessero 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/xNuisX"
}

What the leaf hashes

{"body":"3a7d9a921935d9b80e9077cf19b560e2244dd641321e81c3de586fa15bd1a381","id":2721059,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744604058152,"prev":2720636,"subject":"erc8004:5042:208261","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x4576be016915d2e869ca565c647fb2c4805e4279f81dfc7c7eb0507abb8f9b86
2. 0x4212fe8a6706d9fd9ad6e65773b0a7186aabaab613d585b583d5700b0faca3fa
3. 0x493ddfdb912b8ee14a5c69dbc05965ff64c15957914a767ea34e1b259cc6d32f
4. 0x2f0e1a13d153d58784bdd51ac9b82458c8e3c5a51f2ddb72c0b43bfc0e852c74
5. 0x0422c5f4745ccb03f44a416634fdd65fd835736054da7b78aee540d590db7d66
6. 0x0768566f42575d0ebeb1a7d598a67cda0a929050a03d112ef61fe79a98cb21ba
7. 0x29549b81fcd69dbedc2d133e8474f384b9227bfa7ea1fdebe6ed9210142af029
8. 0xd9d5f204c26c1f37a9c326403905af9428b0dda397c83740424a80aa6eda5ef3
9. 0xe25f093bde6a7766b67b6f091d78ddc428ea005e1539a7446aba1535c9190626
10. 0x0472e229200096a81f18470b82303e08ae8faacc5875f3a2555f123219b5210b
11. 0x019761b235dbe7d987c48f83557c1f4e4398177d343b83633ab05215c77c2d74
12. 0xe55566f2b7e45bb116b387d6f5556331a34ace81b106c287573b4bfa6cab1a72
13. 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7