Evidence row 1778859

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8gPBdq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/776a70e4-451c-4657-a3d4-87d24717691c/.well-known/agent-card.json"
    ]
  ],
  "name": "Fempon",
  "owner_address": "0x42911b6e30e3351bdcb5f6a43ab8fba61507a91d",
  "raw": {
    "agent_id": "13760",
    "agent_uri": "https://centralcity.ai/a/8gPBdq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fempon 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/8gPBdq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fempon",
      "registrations": [
        {
          "agentId": 13760,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/776a70e4-451c-4657-a3d4-87d24717691c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8gPBdq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553719,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:22:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fempon 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/8gPBdq"
}

What the leaf hashes

{"body":"9bff409c107fdd404d7a63352003a1719802b020b483c83646dda04a11df135f","id":1778859,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553767459431,"prev":null,"subject":"erc8004:5042:13760","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x2cbd8ff88d87c2155f75ab6b3ed2b7f8a8b4d8dc01bc8950de15845d373c150a
2. 0xd98542f4c231197810541649916481fc0b0dabe1f2f71b8a7c987e6362bdbd16
3. 0x38f3a6620ca93a386fc88d5bdb112c30b3970231c3d69cb461380bacf25a708d
4. 0x670362b95463c6b63e52c2239c365e16d41e8bf079d77b2817999cf52b0391a6
5. 0xaeaee9f8e25353fea564a0cdea1f009f276ed7875250d84ae3975ac4539520b3
6. 0x236e8d7de3af5e0963eddad0a9f83a6a032b20610ba46ebe6285404920c7be5a
7. 0x37d6c6aa57921ff015d76f7416aef86f98b592d55206c18828628aadf8d1aa05
8. 0x70d2f2d713913333d0bc7c8b83317e9b53e4ebfd5bdeda3533a30445bf93375b
9. 0x7e9dea7060b1500e23471744ff8335bd2a7100771d43cf239c0b439f23d41feb
10. 0xc37660fe3bc21ff1e6502b7db294ea6416c5657c30884143c8c6c60e10dc3424
11. 0xc0183782a46371c6cac709be9692efff8b0420fcf778dec40808fb5878e97abc
12. 0x0d530940fda014e42fd7583a63b480ad18aedf87206fe608174f3d6c268b3669
13. 0x119e26a40ea5ea49199024d5e4dc5ea7e4b7110b91f88cec9a3d894fa9681bde
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90