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Evidence row 3398651

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:331822
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
11a540d546a626ec905b8efd7934d6629f875bec9489f7edea2d9cfa1e702ac1
Leaf
0x565acc78137ae4a74cce7790907b9cb3a7e0787273b55c460301a0d2a72ba89c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Zq0kTB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e9320da8-c8e5-4bd3-b213-70ddcd56a212/.well-known/agent-card.json"
    ]
  ],
  "name": "Keikofino",
  "owner_address": "0xb360f7042f40423ea71b58102a4f6e7042d3b4fd",
  "raw": {
    "agent_id": "331822",
    "agent_uri": "https://centralcity.ai/a/Zq0kTB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Keikofino 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/Zq0kTB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Keikofino",
      "registrations": [
        {
          "agentId": 331822,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e9320da8-c8e5-4bd3-b213-70ddcd56a212/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Zq0kTB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793881685,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:28:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Keikofino 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/Zq0kTB"
}

What the leaf hashes

{"body":"11a540d546a626ec905b8efd7934d6629f875bec9489f7edea2d9cfa1e702ac1","id":3398651,"kind":"listing","method":"sync.erc8004/1","observed_us":1793881729097698,"prev":null,"subject":"erc8004:5042:331822","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0x565b01dfd52b0c6b04b71999b17569e8f8eb419e7b10ecea3a05e59600005b0d
  2. 0x4c2ea869816d1366898ddbc88c525d626988f3c96a34c731c8e4a5f021d6f46a
  3. 0x29ba67504d62bfbf0371995d34c713fa02c70314839ed6799a0e2382e5ceff7e
  4. 0xce8b1d76bcb77ed7e3947112a0bd37bee5e6ae8916ac65f5cc057e1e06d1ca00
  5. 0x830d74366e80fef37111c635d029344467e9073a7ced733da0f518528d084a87
  6. 0x14e4519d6077abb4515d300502e60b073fb3ca753ee3bd8a9a73466e1cb0952f
  7. 0x8039f4bc640e8ecd0fd5f35861be62b1fc0763e694cdd4dc8bf8ad05b02734a3
  8. 0x459e2ea786e76dab53a5be12c3df8c5f3d90010c2e100077005291facdc7483b
  9. 0x4ba10381233852fc0c4cb5266185b12cdd0ee8751c4920d25e1dd120ff1c1ce8
  10. 0x21c403f6dde0091fa5b6c8b2364d80c1ee83e0acd53e1192502631ec57387170
  11. 0xc3acf90125448a689904214916566dc233ade48288e2d0b689d12c4deb0a4bc6
  12. 0x3717ba9f1d55ebc6da79ce8d8c7b0b90626abf159aa793b8b9e7e7654f8350ab
  13. 0x05ed10366f7022b65ba0d6a848668db25748ece9b39afa5185bd888927bc0d60
  14. 0x449cf1e61bccebdf54815ea279ddc57c99a96619eb284a92aff809d999dc68c3
  15. 0x20ca3add72ff47f6497449b7ee3adf1c6f2cdbedf8b5a49a56da543bf096a5fe
  16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
  17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON