addrbookFor publishers
← The evidence ledger

Evidence row 1821943

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:23752
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5533da4125c14b4e068740010cdd40458f1fe31aac398f832f7d4c79245978c9
Leaf
0xd8b3529161692ed44ec8606b7b8acbb669bca8a01d00552332c70e4a2529579c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/V1UVJ0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ab5aa184-d184-4c3d-bca2-c169431e5249/.well-known/agent-card.json"
    ]
  ],
  "name": "Orasson",
  "owner_address": "0x35afe09682d5b3dcdcd05e21f749390296bbfdf5",
  "raw": {
    "agent_id": "23752",
    "agent_uri": "https://centralcity.ai/a/V1UVJ0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Orasson 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/V1UVJ0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Orasson",
      "registrations": [
        {
          "agentId": 23752,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ab5aa184-d184-4c3d-bca2-c169431e5249/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/V1UVJ0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564343,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:24:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Orasson 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/V1UVJ0"
}

What the leaf hashes

{"body":"5533da4125c14b4e068740010cdd40458f1fe31aac398f832f7d4c79245978c9","id":1821943,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564642595477,"prev":null,"subject":"erc8004:5042:23752","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xd8b3b240ae335040726a8c95e5aed0d3a41904ac954852d54676959f875720e2
  2. 0x197952d72c2d69a90272a73a49455d9914ea5c3ec68653fa7aaba7f7f07b3727
  3. 0xec6494d5b99f54cea9efff514d2d94109562645ac95576bf051f08771fcd7d3f
  4. 0xb32eb086f61d82603e3f71cd9f45425468b7d4245b0d361981f007c50543cf8e
  5. 0xd85bd357e0aea0d82328996984b1750d39d4c4ed0ca4dcb457675c13517e0df7
  6. 0x405c10a38cafa2dfa24d224000d309db4db57b98568b5c2f75fb263add79e2f6
  7. 0x5d36ef6c1dfb98bbaf156d719a34d760280d5e9de97349ec341b2984f0025eee
  8. 0x44fc7e9035a5c31b89f269846544842a6d476dfa0890a56adea11db6ab091528
  9. 0x016a229f5e244c53e2abdb425c6fb8c9c9a04af6b86c0c4a5ce7ab0ec5af840d
  10. 0x63637713f0d76c6a903601c291ffc4e820817d0c8934a32e8277670e4903e940
  11. 0x70e09a615efa6e49c7daad08f583ff5a9cc78865478199cc6b9df05fa48f3abc
  12. 0x5286c70252ce1d2134a08e8f861c17b609bf03ec34c3b3a77b39816d1787aec7
  13. 0x5604ebb26a467785e0d13c4e7f1730e632124652e4df86dc2a82a0734e46265a
  14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
  15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
  16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON