Evidence row 2027633

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BDHCkX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ca904597-efd2-4a47-b3ef-8d291784e0c9/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifano",
  "owner_address": "0x295abc40d73bdc843953903208c3ff7d8a66e43a",
  "raw": {
    "agent_id": "46992",
    "agent_uri": "https://centralcity.ai/a/BDHCkX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifano 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/BDHCkX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ca904597-efd2-4a47-b3ef-8d291784e0c9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BDHCkX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:27:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifano 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/BDHCkX"
}

What the leaf hashes

{"body":"a440b5ac2f9a096763cdd108c39c5330fc0dc33f7b80bbd54bb29fe6831b49c3","id":2027633,"kind":"listing","method":"sync.erc8004/1","observed_us":1793582867694827,"prev":null,"subject":"erc8004:5042:46992","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x4256fe9c0b5808ecfc5eeae6c4ae787e09a64d53286d0881736da4ef2442b2be
2. 0x05920a702074b7b5b9ff898c0335cdef3cd917ab3fff65b3b75aec0e3fec2755
3. 0x3107808dd80d2f830a43794c54e1f868d7a5df8e97a9c95c487652514f7aaf70
4. 0xeaf41655199380d0138bd9fc1ff64ff387b06baf1b24e1333734141aa9a1bda0
5. 0x6b12d9b279733dd648fbf4aa99165e1ab6df27f6afac68d3ba77daf84441df0c
6. 0x27b5f2206353564d0dbb5d0ca0a062037596f32258db821bda6fdcb7a304bd87
7. 0x8ff1b9514b4fd2811d855d20074ad06b817fb8db120b6ebaa97e0075c39089cf
8. 0x41d48dbba163d16820bb86e7c28fa2c5c7a4a18ef2c6199b57832fd76f1f612c
9. 0x403ad7afb218956a292fe535fb5140da169c8830bd4de37dae7d4a080d20c5ba
10. 0x0c67da86c85b5fe98ae86f5836f557aad26ac8e1931ee03b8e35e132b9a7239c
11. 0xc1e5ef0f892a6b99dbf474674b9a6be5c1534b7d6383e945033bf95696d38a2b
12. 0x17858bbc60dae810bfa46a71ddb0d4bc3816060ff678ab2804cd513c70546454
13. 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af