addrbookFor publishers
← The evidence ledger

Evidence row 2079470

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:71356
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3768bd975a789da613f02f2cb29a9a2217e08f4cbbdd84beb6a063db8738cc12
Leaf
0x7c3029ff9fe4b185469425c3b3724f0d3225c817256ecff4e42abe51c37beba0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MGf9al"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/97145b5b-16ab-433c-a2f8-36e2f5ea2cc1/.well-known/agent-card.json"
    ]
  ],
  "name": "Lonsa",
  "owner_address": "0xaa3ee5f186396f96a0c77b580912bc7edd61cfa8",
  "raw": {
    "agent_id": "71356",
    "agent_uri": "https://centralcity.ai/a/MGf9al",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lonsa 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/MGf9al",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lonsa",
      "registrations": [
        {
          "agentId": 71356,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/97145b5b-16ab-433c-a2f8-36e2f5ea2cc1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MGf9al",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793602589,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:59:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lonsa 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/MGf9al"
}

What the leaf hashes

{"body":"3768bd975a789da613f02f2cb29a9a2217e08f4cbbdd84beb6a063db8738cc12","id":2079470,"kind":"listing","method":"sync.erc8004/1","observed_us":1793602753145609,"prev":null,"subject":"erc8004:5042:71356","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x7c3061baf0ec233df3f493468e680b93013839dabddf33c6932dc8d1d4c5adb9
  2. 0x9a085931f4a8ce0886e71453546f4a2d4644a225aa3ad98eadb2addd3bb25f72
  3. 0xb3a67bff42d8d87630bc9df426eb80d5ff25f20b0f23f4450c27875442e93031
  4. 0xfdb571dc772b1c333ea75276c2465ece7e4b69bb3561cf399443bf22044387c8
  5. 0x322683e18128513319861abd77a06157db72cd8a6d7777706ba802ff90c09989
  6. 0x9bf06d6bb57c7de9feb1f1260cf9053cefa47923ec2cc0d2e6d08a6d880ddf20
  7. 0xcce861916defbe30f35fa034cd474d4b054826a6e37d939ebf7ed7b8a10ba257
  8. 0x32202394896be5d13179ea4c7c5cb2e34a86ca6ff5236708c5eb11fc97b00748
  9. 0x3730b291dc8c344bf9c6a36917da8efc853aa7677bb322bb1bcbc25f0d2fd5ab
  10. 0xe4916ef215352d0ae2dc6719737fa9aee2049a5bb83fdc5e020aee722848bb87
  11. 0xba4835b6b8933e1938390e10fbaea2d501aed997dc7616319e16144711f9b5bf
  12. 0x8d1e21bdb30d190f33f362fb3e038520281852ad2d6e49bf14075b805164fae9
  13. 0x96da2b0c348fe4c196311a3c711ae28b065713c442f3976e291c0a6f22cb1f7e
  14. 0x3e60cda43ffc319c006284ca48609bc80da357b45fb9e0a57810e00816d3e8e0
  15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
  16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
  17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON