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Evidence row 3665931

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:364607
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fb633f7911a8562595c97f8df42fc1e795a9749d33255337dfaef66e6e9467a1
Leaf
0x341332bda4510637f6045c8ff7f122508b413a340d8a83e4346d57246888e45b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DAyoV6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9373dc5b-a844-4180-bf46-d9b762e60073/.well-known/agent-card.json"
    ]
  ],
  "name": "Laumpert",
  "owner_address": "0x8ea14656b1ab903427f1c5a3020327123ce1f833",
  "raw": {
    "agent_id": "364607",
    "agent_uri": "https://centralcity.ai/a/DAyoV6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Laumpert 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/DAyoV6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Laumpert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9373dc5b-a844-4180-bf46-d9b762e60073/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DAyoV6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T01:36:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Laumpert 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/DAyoV6"
}

What the leaf hashes

{"body":"fb633f7911a8562595c97f8df42fc1e795a9749d33255337dfaef66e6e9467a1","id":3665931,"kind":"listing","method":"sync.erc8004/1","observed_us":1793928983779258,"prev":null,"subject":"erc8004:5042:364607","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0x34133f5cd948160d550830f20098f59b0f25246343d9e4344232cfd9bc893d00
  2. 0x7478264243d26c51bb699af64ef0b84ba52975f23255f6826b735411810a9f96
  3. 0x06215f48249928a0e5a85c9710e55d76d56d11eed582aacde5c8c59a1ed3357b
  4. 0x39a081ffd974d215a2a4ad57eec341eca56179d6cd32f93f5d68cf341f4e2207
  5. 0x25f2a7d0676b21a0d692941250081b920933489570d11d2671ef076edc12b5d0
  6. 0x2af3ad9acfa7d4dc64a1703e870d92684575ec41d73dd531ea4eb7ccf6ca975c
  7. 0x581c7e6466e338606a625b3a235c240ea2f1283a52a17945bc0cc997801dff41
  8. 0x63575b608a44d2033f56457abf1e1cf5790cc2dd2ec97c3d94688b78316e0e79
  9. 0xc11d7a782b665c0e19efccbe15d2d5a1c3cdcc2905e6dc551f960bfe387c4825
  10. 0x990f08d26b1a0b8ac9eff2f1f6c9b08714364602631203f3360253ab772f37ea
  11. 0xad33cd9f960f57d00d16c35091252e620204f8774707ea680361c77e0be0bebe
  12. 0x244fec37753a07c0df178965d0d989c60410c7b169fe1c8c0fe74d61594fe8c4
  13. 0x52cf06947a94d5a4b713e0e82aa23a8280a6e1b32cf171dbcf7aac1f874bf8e8
  14. 0xe7e7f0ee694b712db7150c3f1692ed383efbc9783ba8600081ffac0da359b4ef
  15. 0xaa85d31529f47e1b810e9dfd8bfa6050b99090fde56ac1fa1fb399ad1e6bb919
  16. 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
  17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
  18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
  19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON