Evidence row 2627749

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PEYzrB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/80d01e41-ccab-499f-83f2-28182457d363/.well-known/agent-card.json"
    ]
  ],
  "name": "Soseon",
  "owner_address": "0x054c455562017cce0e0e987af313444e2666471b",
  "raw": {
    "agent_id": "200572",
    "agent_uri": "https://centralcity.ai/a/PEYzrB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Soseon 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/PEYzrB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Soseon",
      "registrations": [
        {
          "agentId": 200572,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/80d01e41-ccab-499f-83f2-28182457d363/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PEYzrB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793732151,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:58:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Soseon 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/PEYzrB"
}

What the leaf hashes

{"body":"3aae745578e47039ebf515c2494b00485f6239802de988bee9cc7152f416a027","id":2627749,"kind":"listing","method":"sync.erc8004/1","observed_us":1793732324651489,"prev":null,"subject":"erc8004:5042:200572","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. 0x1140eab699b42d8b70f06bff8c2fe9fd70197dbe2f989b319e39eaad5090bf89
2. 0x84f868866dfbe4e13290cde18f9e2d5e0c95699faef94058cc60d2a81f76809a
3. 0x6701676190115d0cd5bac0cd286773db27008d3506a168b1506f875e0ce18721
4. 0xce71253c92255e4783eebc2cf4379a76bf3712c241deda417c72fa4221581122
5. 0xab37546899e5d810706262bd4667648b38248ac5f2c0b19dcfbccb13f45a1c09
6. 0x593366e8199347821f32bbb495a34a4118d2dd42077b62a600b9ca788c2e65d3
7. 0xb01f0ff1f6ac3b498eb1fc24b8b06437d6866ad12f8bf27bf5b54697b15d5da8
8. 0xa90bd2cc1eba931f37a873b5c6c7e0167bbc2250cf2334b2b59d9fb33a5e1373
9. 0x4e9aa2d83c4ec331245154fdfc6fafcd9fc8de10da1c0febfc4b2abb401dd1b2
10. 0xc8540e298ae514acc085055aa76b971821e2ac86bf55f5da696eb843d04dd71d
11. 0xf84bfb14f98a782f35a6dc70e84fca457999d4b4dce80312617e5d66d426e6b8
12. 0xe97f7d4ac0a2ce636097d79a7399ac6b709a809cd77091e3291f6d41288a54e2
13. 0xbd3788e71f07bf672e2215ded21f6568d06e4900d4c0672cfe6d60c10021c48f
14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7