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Evidence row 3736937

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:399309
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
cd0bf9e6c7e88ea3452215de0a4997ce063115591fdc51974b2fac9fc87a6052
Leaf
0xdef3d836b80adffcf4833722d6e87c361c85a4b6a535853f340127969e7a1e40

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yaftPK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/97fbc380-417f-4a5c-9e87-f870fe5379dc/.well-known/agent-card.json"
    ]
  ],
  "name": "Grivisto",
  "owner_address": "0x9d2e222eac22453a1529f39cd385f4ab7cdaf5b6",
  "raw": {
    "agent_id": "399309",
    "agent_uri": "https://centralcity.ai/a/yaftPK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grivisto 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/yaftPK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grivisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/97fbc380-417f-4a5c-9e87-f870fe5379dc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yaftPK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T14:20:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grivisto 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/yaftPK"
}

What the leaf hashes

{"body":"cd0bf9e6c7e88ea3452215de0a4997ce063115591fdc51974b2fac9fc87a6052","id":3736937,"kind":"listing","method":"sync.erc8004/1","observed_us":1793974830579984,"prev":null,"subject":"erc8004:5042:399309","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. 0xdef3d5ae267f9de5f8a28de2555548907a3e613b10735a22becf44501829e58c
  2. 0xed5f776a151cc93141556534a9c530c34875dfb6bad306ac1ba2f68dff1116d6
  3. 0x91d4f921f51eacc12b848e98129f90beff658d8e23b745cc03184da7e2b0ea16
  4. 0x46fbed2223e0cfc1575b5cffe4d2dd4a76df889185483a6487447c502e7eae23
  5. 0x44c0f8820786ffd29629bf28627faf52de5057638b7a067a914680949cae7f33
  6. 0x0af47798da46fed1b6021804ba9c8160d527a3681a3f521a375b801bdb124b48
  7. 0xfdaa67b01fba5a40741323550e9c6ee58514187f848e0014fe6127796c1ad988
  8. 0x00c8b67243339e15dda8abd1d34fc5f525401e4d31b0a2527ea8cd532f5c0316
  9. 0xe7037c241eded6bc1f411cc273271e059400ee97a3f5b731dd101d0fcdd5b91d
  10. 0xbd99e4df14f687dafd015604be8f1c2d4a2ba71c20a3e7788c86d7005da4e501
  11. 0xf6493cfa84d33540cfccbcb8aae9acba765d809b1aa5cb37e9f2af52c5af288d
  12. 0xaf94f9e8fb038056c97fa2a2e22e8a7357890dac491214b08f05f391895d9c5a
  13. 0x1c754eba6c0f347dc37343abf121bb18866de2663ac0d83fce1241f199e22255
  14. 0x401f473322bdfc8fea51b048fef00e1f433c6b46d6320840a3c273774f7e8299
  15. 0x3c1d5e613d15e0df0cd0c1b1c0e33f6806b96b933b69d2555bd92b4570955879
  16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
  17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON