addrbookFor publishers
← The evidence ledger

Evidence row 2721275

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:208506
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4edf86fbf33dafb6c144e1c1557e6bd84b621191ea0ed32e4dad12f685f61e4f
Leaf
0x620d1d6338811ffb0f3d2f1c3aa97d235683e103273e8c9996bef83d753a236a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gUopmR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7b47d5de-349a-4024-8a3d-c87afc65881a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hausson",
  "owner_address": "0x3201f23d910049ce44fff6e0dbe32bf3791b0c22",
  "raw": {
    "agent_id": "208506",
    "agent_uri": "https://centralcity.ai/a/gUopmR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hausson 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/gUopmR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hausson",
      "registrations": [
        {
          "agentId": 208506,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7b47d5de-349a-4024-8a3d-c87afc65881a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gUopmR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744575,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:23:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hausson 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/gUopmR"
}

What the leaf hashes

{"body":"4edf86fbf33dafb6c144e1c1557e6bd84b621191ea0ed32e4dad12f685f61e4f","id":2721275,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744604692632,"prev":null,"subject":"erc8004:5042:208506","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x620d13bb194d94c117e9b8800401ab8f3a7cf80daae742b4b4fd0dc0d8d84397
  2. 0xb9856ca4b21fd1da5cf6a379fb10a6207c67ec94ce32745ca2536b349413fb2f
  3. 0xa4e5b727da8df4e2dd119d8fc6d4dd109afe5b707b23ce41a5bbd587b020aa7a
  4. 0xfda70cdfafaf1d13fb2162097adae749b1e22a71c11f5418bb849a47fe4d5139
  5. 0x44675becd02406f951e1828cc7e4e6830877d9b2a5472377834629af6651c10f
  6. 0x33152adc0032bbe50b7683c2a9ce38637e7d94250ca2a6cdf88c03ff2020114e
  7. 0xba94425007df6f06d84f5dcd85e31c11b828c01eec4c04876f4d5850a46ebdf8
  8. 0x387c9f2b2e1965c9fabb37a6a5cd84d6911fa0ae4d49eea43a3de2c2c8be9b7e
  9. 0x09b5b3a1d7ad79423f3fb305ee3c78e21360127f5a9084112c84e8455d8c1c3c
  10. 0xf591e2db3af5f9a35bdbaa37b94322f87156a4c2e584d56e1d7d332e0899a911
  11. 0x478b12f7910cfd5ff309ae9c4f212c7de30f8184a5d449fbdc04afc8466adb61
  12. 0x4e9abf4af955929c2b49b63a935ba94148e6b85362e01d45e1b6ff1c9c191985
  13. 0x19e66cf94d3d2787fc459ee19c722a1b183024b2f719029ae6a0881eaa5dc8ed
  14. 0xbf320f90cfe280db011085f74bddf4edc26cb0f41eedc38b0fa8b8f679ad0b5b
  15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
  16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON