Evidence row 2572836

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/piDuj7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5cf6c5cf-2cf8-4cc1-b1cb-aa6ccdce88cb/.well-known/agent-card.json"
    ]
  ],
  "name": "Ruban",
  "owner_address": "0xde0e3190633745e76079117c4f31e2c44547b6e3",
  "raw": {
    "agent_id": "180032",
    "agent_uri": "https://centralcity.ai/a/piDuj7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Ruban 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/piDuj7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Ruban",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5cf6c5cf-2cf8-4cc1-b1cb-aa6ccdce88cb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/piDuj7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T11:40:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Ruban 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/piDuj7"
}

What the leaf hashes

{"body":"aac94d47f88b7393af7c1e1ff6c399d90b645e7390d31831c331a2e8076a53ec","id":2572836,"kind":"listing","method":"sync.erc8004/1","observed_us":1793706030627060,"prev":null,"subject":"erc8004:5042:180032","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. 0x134893fb65db2ff456a683ac0fa2d1c932dc29155f3356ba456fdcca4203c9c4
2. 0xc2c64edd0f6fe220b0bea87899e64ef52f31de75e7e1f891da12134ac62af54d
3. 0xcecee5cc8fca0cff854601259e7ac4f9602032cecba993422ed98241042ffe42
4. 0x1c84703cce244199d2b8e11b2603db47c814b2f8af5408928457b1920f91af0d
5. 0xa699c06ecf2655fa40f3cf2c9fe63ee01ce410585600b2079d7f6bc3ea25bc31
6. 0xaf151bc7820cc05a8bb4c75cfa8a5b2c11dc25f9d4ed907ffbd49b6ae214bb57
7. 0xbadf7a0d8b605ec120087f499fac1e66b7b1f480155f825cae612b6028c09a95
8. 0x8f2796175d0b1b6ee8a92d56500246deb2317b171d697a44177843550cb4ab88
9. 0x51209195bd408e17e475eec28de28b81a50600b3ab50a43f6a4450c7174338ea
10. 0x6c2ad018a635a798a96175477ab5248191c2141d83de8f8bdeef81dcc46e5e5b
11. 0x3a54e5e88adff195e5ea8f98c34218f5533217233566fad9f93625febb2fb857
12. 0xd68ef24e52094c530a6c2836ddad853e7be70fe51b4f455d659096a1f808657f
13. 0x85cace83986c94d601e82be51de5f4403bcf0442ce39d75a11610de56c90caae
14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7