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Evidence row 3408430

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:337696
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3891ea469dd38a6048c628d558c0af0e099f7a50880cd363be0d14277cad2b67
Leaf
0x4ce6363ae7998faac858d6e9e4c315ec81bbca0f06366b2abf09928c79c96328

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OEKNUs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e5571771-28e1-407c-816f-3d057d6b5cee/.well-known/agent-card.json"
    ]
  ],
  "name": "Markano",
  "owner_address": "0x641fad74d24f60d17306fa27dcc8aa49bf937e95",
  "raw": {
    "agent_id": "337696",
    "agent_uri": "https://centralcity.ai/a/OEKNUs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Markano 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/OEKNUs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Markano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e5571771-28e1-407c-816f-3d057d6b5cee/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OEKNUs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:23:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Markano 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/OEKNUs"
}

What the leaf hashes

{"body":"3891ea469dd38a6048c628d558c0af0e099f7a50880cd363be0d14277cad2b67","id":3408430,"kind":"listing","method":"sync.erc8004/1","observed_us":1793885021487099,"prev":null,"subject":"erc8004:5042:337696","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. 0x4ce628b1f7eec4db32c6cb7864e83e43427d75ec929f0c53d07045cb979a3aa7
  2. 0xef56e1e09f1a7596026e3ae3f3e8f31e30a87b1b820c1c99464de96b392df1df
  3. 0xafea23b2ad0125ae33f14bf57952adac4522efc9a9210d5cab7ff64f13a31db8
  4. 0xf02f3b8b1ab94bc12d39f37de9f1c75de67d617d34ba7ae9c563884addceabe7
  5. 0x793f1fa4ec6d95bfc50e710e5860442f14b508dfb18e3de500a3f873fd9b8891
  6. 0x5480cf912ac4a7b2428485f300e06de5751a191ff8dfeca8cf299a7123386958
  7. 0x4dd88f20d61201eddad6dded45de17086cda217687442f0704e3d68c5f064f11
  8. 0x8bb7f5fbe03bbff51ba6acc2d965dbb1f2453f7422be8addc641dc7a95801ef8
  9. 0xd497496e73ebc97e82e4e1d8b5513a1ff9eb465f676cc9561ccdc79458d1607d
  10. 0xa1f24d5b1cdf2e28c30ba60223edf273bc1fed49993b6587bd5527520b855450
  11. 0x4d275fe0351e6f4adbd9482e7f74fc78b61985aaaf7ff4917c8cddcf5666ec12
  12. 0x6af54a514d32c8370183844e8b01a68b00267021247ea26b929ef53498af3072
  13. 0x9899177649213895bad2e2e2dd6d31b170ccf53409d2b31f71901d3ceab239f8
  14. 0xf1ebc8b794cdbee72cfc7d6298b0f35487ba5d0e9f7a1e6e7c1c1bf23640861f
  15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
  16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
  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