addrbookFor publishers
← The evidence ledger

Evidence row 2514905

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:154587
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fa3bcadc18ce14c4a1a162b62b87ca4a827012c31ef86fa222afdba8fece1a5e
Leaf
0xa5e48d970ea8b267fb9be8d4a2c829cb18caabe23950b66773aefc9fb2ec25e2

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XkmarK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/391f4993-a30d-4d5a-bd1c-a4894829f20b/.well-known/agent-card.json"
    ]
  ],
  "name": "Femer",
  "owner_address": "0x8b623e5949c20ccd493e6f5fe8e45cea3af3a27a",
  "raw": {
    "agent_id": "154587",
    "agent_uri": "https://centralcity.ai/a/XkmarK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Femer 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/XkmarK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Femer",
      "registrations": [
        {
          "agentId": 154587,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/391f4993-a30d-4d5a-bd1c-a4894829f20b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XkmarK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793676450,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:28:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Femer 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/XkmarK"
}

What the leaf hashes

{"body":"fa3bcadc18ce14c4a1a162b62b87ca4a827012c31ef86fa222afdba8fece1a5e","id":2514905,"kind":"listing","method":"sync.erc8004/1","observed_us":1793676494486289,"prev":null,"subject":"erc8004:5042:154587","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. 0xa5e480449877aaff4fef047f477f2935d8250f4f67bf70c86b75629145200b36
  2. 0x9dcfba635f33ed84bbebaa4b80b140b20e1b1f886d188a1e9e5425e2f973891c
  3. 0xd1148374361d6c33fb9f07bd4f3ac2ac198bf8b92b5c5fab46f2d3cd5c781c62
  4. 0x57ce96ec1f224bff0336018a3c85bbcf3211ca9ca8f4fba8cf3eed40a988d8a9
  5. 0x54948e92cec032bec635994a45aab49d164285a816f012903e4399600dd10491
  6. 0x8e584b302c39537f2a1cf072715bf66e42db8b0c7497921f28c21513807abfa1
  7. 0x3771fa7e4faff6bed039b482575252e05e01fedcc300702631de732f60dde17f
  8. 0x6070205b43bd6dd6019659c8f01ff93d6801a4b5d0298a3f64fafbf996676438
  9. 0xd4bb89d8eb50f4deb39761a83ac1028512fa18dc26d90fdac6e257f928d3fe28
  10. 0x0307f948732aabbb6bde53428b9aacf74d2099c49186a66648d016e4fd685e61
  11. 0x5ce3c55295b65f8847fc736e73049a40fcaf941754c17d5f2441a712a45f09dc
  12. 0x815a60e45e734228befa37c27152dd91545295d9f9b2b149d67f91c9810546c3
  13. 0x53a3eed7cbfaf81d389119a28838f038ff9374739b7125ff237e74956b8919f7
  14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
  15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
  16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON