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Evidence row 2491861

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:145729
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
878a1f3715716c0cac090807beca95a7925de695a00242b8caf8ab0524cd3f78
Leaf
0x6dcc53a52f747d8f45bb5fb88f3f118af269eced6bb55cf0270e75ad30a5a5d8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nq5wil"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6dfc8d36-4d74-4ca5-bec7-40f957634663/.well-known/agent-card.json"
    ]
  ],
  "name": "Maesser",
  "owner_address": "0x31e52c74a3c6c0034787eb29865aff26e39a4cf0",
  "raw": {
    "agent_id": "145729",
    "agent_uri": "https://centralcity.ai/a/nq5wil",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maesser 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/nq5wil",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maesser",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6dfc8d36-4d74-4ca5-bec7-40f957634663/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nq5wil",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:42:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maesser 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/nq5wil"
}

What the leaf hashes

{"body":"878a1f3715716c0cac090807beca95a7925de695a00242b8caf8ab0524cd3f78","id":2491861,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666576145180,"prev":null,"subject":"erc8004:5042:145729","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. 0x6dcc3c5fe499a07a44662a96383b7f1773e51200f62d2910b92d49e9b40e9660
  2. 0xdb09798022d4b2ae0a902ff1426700eaf73deb8340886d41acebf06ef27eca1d
  3. 0x134a17630a47b80b221ce37d7b3c92bdd554dd2d3be572bcb4ef7f0a281c23af
  4. 0x8a279c8d486ca2def80158f02eabf5633b51733d4da27984927f40c077b88b3e
  5. 0xec7b586e0b4189c3715a62ac711b0a86d6a332b3c755f43fae0113deabcff73a
  6. 0x1cabbfa4800890ee13b7d3fc0d46db75d922b79a034de7a584687e9a4926d2b7
  7. 0xa3692eaa1028a87fe70a8971873fefec01445c1daf8668e2c5512c043ec36946
  8. 0xd1614ea3d70bb315992a13c8cfa6c141c489e3e37fa3a8dd9da795160ad52033
  9. 0x35af54143cc6e4e684e047a59645ab6b0f8abb6e8a2ad36bbb96c088cfca5ea5
  10. 0xa8a0948e664b5639f08f8007728ff34c3750fdc33b4c738a5ca15f28f1c19d95
  11. 0xd39bda347cb7b9148e31cde179d06292c8a193c3451494e03afb8a2f7ab98155
  12. 0x4dd97531d28dc5bc1b031b753295699a02cb907bd4bff755b26bd120f7578d04
  13. 0x17ed3001ba4262f9a9bdbf52bec0dd3e265936a67c3b494e499acd7556b945ed
  14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  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