Evidence row 2094189

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Tr6cwh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/333bfa83-647c-401b-baff-62ecf7771a6d/.well-known/agent-card.json"
    ]
  ],
  "name": "Grebis8",
  "owner_address": "0x1e0453c5de396c1a645d867ff21a4e04e83691cf",
  "raw": {
    "agent_id": "78419",
    "agent_uri": "https://centralcity.ai/a/Tr6cwh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grebis8 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/Tr6cwh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grebis8",
      "registrations": [
        {
          "agentId": 78419,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/333bfa83-647c-401b-baff-62ecf7771a6d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Tr6cwh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793608485,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:39:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grebis8 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/Tr6cwh"
}

What the leaf hashes

{"body":"6a2c20f4cff55441ecc8ea4b29d39267b75d5ca10e509c323085418a4851f307","id":2094189,"kind":"listing","method":"sync.erc8004/1","observed_us":1793608755867957,"prev":null,"subject":"erc8004:5042:78419","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. 0x20bcb4fe2dff44a269de664580c99430971a505718df52a8deb1a0d633355c8f
2. 0xb71735a5250ce6e454a85c7b1004e2eddf5dd402e153964174fa945659d1f3a1
3. 0xd10f49288b00cc2892d0b26d8c3bc2ad753b444b11d6d780b1deadad62010f59
4. 0x0a654660f02b766f6c1f40ce0adb939ea37f1cfa910078bc31ac084599836700
5. 0x1eba57ac3be0c2a563d0ccb40cfc432d978c472dfc22e29b21690e716c8beffc
6. 0xc3247d7612f268269d233ad902014cea4d5f4db807888a5633975d4491b71530
7. 0xd32bdef3edda7a78b5c4a1098450bdfded69da52df885b339a36aed0b4194d66
8. 0x65f68ccbb3c22db8cfd0eb7628f89f6ff2ae9fbca22c4c49fb02341d69216e08
9. 0x632341670db8db822a78f37a28d006e4acb1a972d4538a81334cdef3bd6a3800
10. 0x610e10c8d4b54f541294cd8c62f5267847fecd6a782f4f5d3521978fff3ce086
11. 0x193993dfc99f07e76a7959bf301447a777bda89110f903e9197b34093694d0e4
12. 0x0287e9d9530add05d7480c4266f19be69f45ecae1d0e3ec844ff635060819eb8
13. 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af