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Evidence row 1847736

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:39405
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4498d51aacffcb39c24819309d438ef1be568ac9ef18a13b8f37025dbee19e8c
Leaf
0xd554d3578c9c0f6c74b6b687c222d074271c683a10e7fe81b25f47214076838e

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/oOCtn0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/68f940d2-655f-48df-9a63-66ad8d459e75/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassert",
  "owner_address": "0x34f3404bccd00af0f0e8d2983743393f1120b331",
  "raw": {
    "agent_id": "39405",
    "agent_uri": "https://centralcity.ai/a/oOCtn0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassert 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/oOCtn0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassert",
      "registrations": [
        {
          "agentId": 39405,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/68f940d2-655f-48df-9a63-66ad8d459e75/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/oOCtn0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793576781,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:49:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassert 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/oOCtn0"
}

What the leaf hashes

{"body":"4498d51aacffcb39c24819309d438ef1be568ac9ef18a13b8f37025dbee19e8c","id":1847736,"kind":"listing","method":"sync.erc8004/1","observed_us":1793576951731854,"prev":null,"subject":"erc8004:5042:39405","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xd554d8290e83e6a14c6147ab0878325564c0b610198ccfa256bebc6041865463
  2. 0x21b203135ee5d99e8bf559ffdd45520ecd5ee86302a439bedd5b837af05ebb5d
  3. 0x911a29b54a7d585922eba3520e22b971a3f617695141ed74be8f52c4d4765b05
  4. 0x5a8139d05f89568511dcd3d95d29a982be1b9ecf9c1db2bef71d3e9261886e96
  5. 0xa0aa5038b98b66c9742fcbc0112a379cd7ecb787d5a8b94fe50899e6cc128c8c
  6. 0x0e075a2fcb6db208dc156ce7fa0b243ef1e490b85bfeaaba8a8d771a54560c7d
  7. 0x820dc382d93bae24c64261ebe827b345039476a9f174cf13f8ab6fac569e0612
  8. 0x391834339e8e53f6b354c9ac9fe5bff6ca9ab34606e3c108abe3b8226bb3741e
  9. 0xa778173baaa30f0fc3e512a48ec9b1b1216e97e08a1516b1508374750dfaddf6
  10. 0xc1cd782fa2f608501b1a6e9965e0101f632568aa02d437985a46d15177f0b214
  11. 0x96b8aadc1153c76593fc4249172871d1624ff8aa397ca3d23e2e550eda99906c
  12. 0x98dac1cfe9425fdbcd3633f5e6579ac4e4e5b25970d3f12a4bc04b24aaf64697
  13. 0x827e8832d4e454afc21199e490166d8c3be13193f254217a3857562757303f01
  14. 0x57b5e8b79f831258fde2efa4c7b70cd486ce34b32e7d612a6965c086ed7a75e8
  15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
  16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON