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Evidence row 3053282

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:277680
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
db8c679d75a907582abf3bec2a7e2fe935b052a0237329304548951d29003f0b
Leaf
0x3803ab62da87e8e09db667ffb94abd4db1580e22fee74ef752b6d6b07295bcbd

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/prtX4n"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/724f651f-3326-44e0-b1a9-7162fad5fa0c/.well-known/agent-card.json"
    ]
  ],
  "name": "Sompo",
  "owner_address": "0x54143dcd4646962b132dec226973d195d292e8a0",
  "raw": {
    "agent_id": "277680",
    "agent_uri": "https://centralcity.ai/a/prtX4n",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sompo 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/prtX4n",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sompo",
      "registrations": [
        {
          "agentId": 277680,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/724f651f-3326-44e0-b1a9-7162fad5fa0c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/prtX4n",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793818280,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:53:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sompo 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/prtX4n"
}

What the leaf hashes

{"body":"db8c679d75a907582abf3bec2a7e2fe935b052a0237329304548951d29003f0b","id":3053282,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818404961008,"prev":null,"subject":"erc8004:5042:277680","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x3803cc4d509275fe7485d2d4898e3175ea54d1c5e1d7f5511cdbb0ac4bfdfee6
  2. 0x225e71b257b208c0d08ed3fda32cc6c02996a8d09645089b230a4c51a8656c5b
  3. 0xf688f39e0f9036c05b6999a1f2d5921aece61a62632452df86d891803743da2e
  4. 0x71eaf474c794fea0343e8725c0c44f42fa100e2442e159721b03a4ab7707cc9c
  5. 0x96cbf86ff1b22bc582aa66f039ffe54a4aefe442d99563a0535ce7af2125a653
  6. 0x64149303b97c788fd8b3e969b5fdb2f61f239d73a9d394b3348b52524d902772
  7. 0x9890b31c0bfe85847970ec54fff3cbfadefe990abfd6e772a1895ac9fa5e14f9
  8. 0xb415ef24a9525f6f34febe8783b199bab3ee235b44a039e2dc6fc48316cee5da
  9. 0x0ccc75ec50e9656dae0773e881bca08790a3b3f75aa4c7a6662808ba851c5949
  10. 0x047db7b0dc63d1a929953401636b94b0e4e047b2513caee043b9b04f069a0a4b
  11. 0x95ccef7374db8669958268ec911bac56773860f220f5b5c51b64e53d1cd9b061
  12. 0x4fad84d559b84dbbc99bc4af4867de1ab2128ff26f2ce3e14ff96ce13c678edd
  13. 0x8473786c6873bef91ddc86a1d99f6289ac1ab6be1da95c6f73dba287fc4e89b1
  14. 0x94e48bdf57a5c7c29462a9932b098617795106114188bbc3809cc8fd993b158a
  15. 0xdf892b99e8b0dbbb4f87276019f2d0a4b1e54a284757cc30e642f46b46f51c25
  16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON