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Evidence row 3006277

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:247902
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b31f375ca9f7fc8136e79188746ca727b0db196454f7ab4767ca5aa4f4950c2a
Leaf
0x428845383b9b9e32f3b29e7341753b573a970511b6443a8f6e6981dea89be9e3

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XfLRea"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1b552e8d-01ee-4561-a7b9-1f0fb8704957/.well-known/agent-card.json"
    ]
  ],
  "name": "Fostus",
  "owner_address": "0x174ac59ce7f05a6c8ab104ce54018d16e8d8a2c5",
  "raw": {
    "agent_id": "247902",
    "agent_uri": "https://centralcity.ai/a/XfLRea",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fostus 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/XfLRea",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fostus",
      "registrations": [
        {
          "agentId": 247902,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1b552e8d-01ee-4561-a7b9-1f0fb8704957/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XfLRea",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793794892,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T12:25:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fostus 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/XfLRea"
}

What the leaf hashes

{"body":"b31f375ca9f7fc8136e79188746ca727b0db196454f7ab4767ca5aa4f4950c2a","id":3006277,"kind":"listing","method":"sync.erc8004/1","observed_us":1793795111539077,"prev":null,"subject":"erc8004:5042:247902","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x4288598c5ff482e7f456e848b9838c3d901c427a9d17d96949b9e222bf2315b6
  2. 0xe3268e8e1bae12cd1e5797885d102679707b36d0c94fed8063d36c1df1c78627
  3. 0xfc5bea03ff8d0eabe18129e06f4f53200b2187a7a1eb320730f8df12d84a7bf9
  4. 0x2509770bb2c46d32905659affa831ae61d311ea6292d06986c899bf636a3b3a2
  5. 0xbc1a071fcdc6fa06936f4a3d5a5ea0857de534c22974809734f74b3de706120a
  6. 0xd27bd6e17c87100e0defa0c8562e3b88fb8869dfa039b7cc703c00b4e9f20522
  7. 0x6a94c122eec5de3f249a2a0f6a5b97b89d00acb941336fa1305d69df104614b2
  8. 0xc38c6ff6ba2384cfb2a5417bbc8d7eb7cf7c404c8185cb5cf111e7997f88ea81
  9. 0x11392cde2840f9f33e7c568c66044d1512f7ac7695bb0b3cccbd35cf330fcfbb
  10. 0xd914b1749010952c833d999d08fb1d87dbd9fca37ee6a4aa4e95c49b2f551cbe
  11. 0x64db6a4084c1874cf090733f2691f00750909fb333ed1c928c4d59b10e01b05c
  12. 0xbdda5f176c3a636429efcc2bd7e224b6d87c183ce4ac4c58bccaf2447f526e1b
  13. 0xc891f2c456a44ccf48c1194eaebc9fc84069eb5884bdb601396da034c0b1df27
  14. 0x3775ac98947ea3444f8e9066b97ed6d5e0ed4bfd990afc8683a340b7b187697f
  15. 0x0e7da910ed6633cc83110a62e4cfaf050cec994a935be0ff6262890125f0d2d8
  16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON