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Evidence row 2139963

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:96546
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
74892be7a4610a7e1b1e0a21205f5abdceb47ec09e1fa72596276ee6a792fc49
Leaf
0xa1612cf2bfae67d87de4edafbf33dd1579b8f2df28a59d1925a6d8083880cda0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UeZaaq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/41993b56-7069-4785-9ec8-e7e7fcf76671/.well-known/agent-card.json"
    ]
  ],
  "name": "Feirkan",
  "owner_address": "0x23b23154393f293bf2d067709d0d88cb53f75b9b",
  "raw": {
    "agent_id": "96546",
    "agent_uri": "https://centralcity.ai/a/UeZaaq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Feirkan 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/UeZaaq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Feirkan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/41993b56-7069-4785-9ec8-e7e7fcf76671/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UeZaaq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:03:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Feirkan 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/UeZaaq"
}

What the leaf hashes

{"body":"74892be7a4610a7e1b1e0a21205f5abdceb47ec09e1fa72596276ee6a792fc49","id":2139963,"kind":"listing","method":"sync.erc8004/1","observed_us":1793624593373192,"prev":null,"subject":"erc8004:5042:96546","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. 0xa160ff660b26171d1bce9bf20b7e2162537b26563cb4de844cdaece3816ccdd7
  2. 0xc27e63c138389d940d824d14875838eb3484a9bf87d51f2a96903598fd9df5cd
  3. 0x42335abc3af12ae24f571b8d70d99c6d4dd85fd9463eb2df102c1d213d40f092
  4. 0x019c08359c261dc23ed9f724f75fa3ae92bb8871d7c61d1d5b590989e45a4b2d
  5. 0xc6437a43699cecf1c58a7fad2bc9a1a9bb65b720c92bbfded6a61ccafd5dbeeb
  6. 0xae0486ded663919b32a8a132b37f0b54087c44908830cc67f850f00e6ba611a4
  7. 0xf3d3a75ceca89f11a175ab9ca7373e5b98e982e7c99950fd4c65b1f42462b5da
  8. 0x94689ad5547e058a0ad2f0b7b243bb433a7b2f2de90e34c292d9f2c455fe3ddf
  9. 0x8ef91a01dba1cdcb78c4e3c1bb39757ed30bb4ae913d8125a9482a07dff5c981
  10. 0x4d997ecc7d240ab795f34c8b7e0b15e0b96d60ad42ff9a16011acc88a80c579c
  11. 0xfb0396b61dff12da0e6e7622f40f5021c382c575df1f65c9468cbf7a72c8f8fc
  12. 0xc7ff2516151ce4262a575ce2e228e9c674806720a6f837e7c4b223a7c393c916
  13. 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
  14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
  15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
  16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON