addrbookFor publishers
← The evidence ledger

Evidence row 2625961

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:199730
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
029be4f31b19868fcc6dad889f97257a23f0e0eb3051f16463f2a2cfd363ca8f
Leaf
0x2db77095e9674258380b45a9ed3a87ef4f6d46cc8cc2c4e65b4972ea7ca967f4

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/u9C4Wv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/966a2589-b18e-4cec-98f3-fcf948ba8ec0/.well-known/agent-card.json"
    ]
  ],
  "name": "Piampa2",
  "owner_address": "0xe3b4f257482d9ce40e91e29617b4fd766d847e91",
  "raw": {
    "agent_id": "199730",
    "agent_uri": "https://centralcity.ai/a/u9C4Wv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piampa2 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/u9C4Wv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piampa2",
      "registrations": [
        {
          "agentId": 199730,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/966a2589-b18e-4cec-98f3-fcf948ba8ec0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/u9C4Wv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793730953,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:36:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piampa2 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/u9C4Wv"
}

What the leaf hashes

{"body":"029be4f31b19868fcc6dad889f97257a23f0e0eb3051f16463f2a2cfd363ca8f","id":2625961,"kind":"listing","method":"sync.erc8004/1","observed_us":1793730990431494,"prev":null,"subject":"erc8004:5042:199730","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. 0x2db78225e3198479a970e26158bf0d64dc524ab06a6966512b69f5a667fbfbf1
  2. 0x16d5b93d3816019184aeba81187d803a9c45656ff2a8e799e1a5ef9d93f2e569
  3. 0x3f11f4ce10492979310eccf3c78bf7c0b18d996cdd56e9ea136ab7064da145fe
  4. 0x25276b68db2b343812f6675639a540af9c396d1efca22f792d1d6b9ff22ff801
  5. 0x83c4acf3a5523ef07282414151cab35fbfaa0fd1c15af5021f4216db286d8fbb
  6. 0xc894a5696bee3b8bac5ac6d4eb887a5294a0f64eedbc26dead727e628ae446a2
  7. 0x7e623dfae436576926ac93c8faaab17cf425ef4dcb75f3ffff16c17f0eb8f81c
  8. 0xe530e3ce5917e69ebf0e5599bddd134322827a1cdf94eece954aab5296db395f
  9. 0xdda9d369ca0771e6e90c91c084f2cc4ff885f428cb8ef567b34588111ada8b07
  10. 0x4ec34daf0abec1a299e4bf15a8d300d1990d68328db84ae4e2f33a98d19a98c3
  11. 0xb7f12cc156c06e6f73aad26f0c9b884c9fc5cf60d4c3b040384e457dce19b926
  12. 0xec5437cb02bda8473e2b58bfd38d17c07766aa625beea1c1d587a39e0b6d36b1
  13. 0xabecda24f649c46632dd795fcf8ca7d146641246a569c0a3ec1fd85e9baf0a5a
  14. 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
  15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON