addrbookFor publishers
← The evidence ledger

Evidence row 1832532

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:30164
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b185b888a2a5acd56278cc16e2c1b73387904f000763360a32e5f10007b0749b
Leaf
0xe1fa479850e4159c91290146bf7a97bffa77ccb98926c02bac76f1fb0458fcee

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BMnyZt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0921f6dc-b696-4f88-b951-630c0ec43a2b/.well-known/agent-card.json"
    ]
  ],
  "name": "Haumjo",
  "owner_address": "0x9cd6fdda38954018e3852da701b30cb30589399e",
  "raw": {
    "agent_id": "30164",
    "agent_uri": "https://centralcity.ai/a/BMnyZt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haumjo 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/BMnyZt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haumjo",
      "registrations": [
        {
          "agentId": 30164,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0921f6dc-b696-4f88-b951-630c0ec43a2b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BMnyZt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793569474,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:49:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haumjo 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/BMnyZt"
}

What the leaf hashes

{"body":"b185b888a2a5acd56278cc16e2c1b73387904f000763360a32e5f10007b0749b","id":1832532,"kind":"listing","method":"sync.erc8004/1","observed_us":1793569767869832,"prev":null,"subject":"erc8004:5042:30164","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. 0xe1fa9364f7fa3efffe97aef28c9c8071c9e587ae64c19f4726301895780833b2
  2. 0x11640fbc7c6e6ee0e6af9ba9c05e6b73c9c5e061cf35f2b5121b2cf12a498708
  3. 0x42a95d2524156c28aed4cee19b1a2aeb2d37bd68db3a7d91f2b0e041b3b12133
  4. 0x13fd9fbefbeb7311a4cb8dfd6b9290ac50129f650d816700dd66f4358aa3fa38
  5. 0xbadefe0b1bb0a0202fdf44d81d44e3f20266914e0a9272119ae3eef932880423
  6. 0x3f28b7fefb5cd6dc6c163d7fe4eb7a2215122c2c7bacfd4943cfd9c503199bae
  7. 0x9ee1a9f4c9b2e5ab666d0f72d28f196dfadf34e8c637d0da68a997f5f7505547
  8. 0x4ba141b93f3c7059c2210b53d85d4fdb417dead7d46ea67392bfb6113ac586ce
  9. 0x38619bf3ec3d58f504d0d630f2a7fe8bc43412a21b1a6fa718699e71c2db53a4
  10. 0x2edf5b9efbd21125243de401bf862edc8f1e9a9dc122878de442f7b20cae25ba
  11. 0xe8c5447d4f978f8c641bdf6bc7ede20cfa92948c1bae8613c6db227fa9118e99
  12. 0xe7fd38eb5836ea92b3c740bc2f5fb1653bb77910129fc628b2af73e09c327a44
  13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
  14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
  15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
  16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
  17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON