addrbookFor publishers
← The evidence ledger

Evidence row 3682546

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:373244
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a553bb027011514224a9d49493f1363b41415a53830957738605120dbb6f8bc8
Leaf
0xf5da6b7a814ac027f60688947c5c8f6b99c1f70d3e395a9532ad69f7b602fda3

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PQIX5y"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7f468cfc-7424-4d7f-820b-b6c245eec7ce/.well-known/agent-card.json"
    ]
  ],
  "name": "Festino16",
  "owner_address": "0xa4c50e543f4c4b5275f14a688d5e1ed6f9101d75",
  "raw": {
    "agent_id": "373244",
    "agent_uri": "https://centralcity.ai/a/PQIX5y",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Festino16 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/PQIX5y",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Festino16",
      "registrations": [
        {
          "agentId": 373244,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7f468cfc-7424-4d7f-820b-b6c245eec7ce/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PQIX5y",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793940199,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T04:46:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Festino16 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/PQIX5y"
}

What the leaf hashes

{"body":"a553bb027011514224a9d49493f1363b41415a53830957738605120dbb6f8bc8","id":3682546,"kind":"listing","method":"sync.erc8004/1","observed_us":1793940369691737,"prev":null,"subject":"erc8004:5042:373244","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0xf5da35fe5e4db35ef897948359d423cbea28350ed719f511ee1eb4c816a31937
  2. 0x337b2f50d40b30f486098f44ecb5fad99e195cc0bb9808b77015c5f2c0bf3149
  3. 0xf25ad960cdc9dca5de3e4c25068136cf0cebf9226da0751ef19aac16920ac4ec
  4. 0x633a58af8b89f9de59e6ecbeb368b0c9d0eb0f3a9219b4643ec34f6bcf8bd074
  5. 0x9a58663c446f4b9ea1b7def8158303fa8c9092bf4c7e2a736b29a41c606e0991
  6. 0xd63a59337ac25e39b51c2798c9ca272fabeddb07185abbacbf9eb47b104622c5
  7. 0x590cb44f38542affa8ab94cd700742b40db668bc22c6184054741d8a3e288f9b
  8. 0x584d5e8521e7ba5088f151423a8a34c5707ba78765cf4ff5b91fdf346a8e7b56
  9. 0x9a1b8e0e01749f9350e03bf88ce9a46cded4866805f07b275faf17e05c20e25a
  10. 0x9776b3e70e96bd88e07f5e282264a4816fe56a8ff128e86995aac1008090f84d
  11. 0xcf5d1e3d20cab51910c914e7db2c3c91e1f7f62e91bac7de9e9900b622df4a97
  12. 0x99687f37669a0c13d887b61fc131895af74512ea6c50bc97a53b90f3ecbe7fc2
  13. 0x0f18fdbad3fe8f4e9a62e25843b36753d6ed463a552cddc989b5a1e33f108566
  14. 0xadb9e5d5e78a6ef642bc8b18b9f3dd14d6e5d20536651d3ce85fec62d35a6aba
  15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
  16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
  17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON