Evidence row 2569820

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HkMD4f"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/66284b9f-681b-4c38-9d49-690dd92b7c95/.well-known/agent-card.json"
    ]
  ],
  "name": "Pifa",
  "owner_address": "0xf251dabf7f6d9a99f2bc2db84b92d5e3d90ecc1e",
  "raw": {
    "agent_id": "178290",
    "agent_uri": "https://centralcity.ai/a/HkMD4f",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Pifa 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/HkMD4f",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Pifa",
      "registrations": [
        {
          "agentId": 178290,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/66284b9f-681b-4c38-9d49-690dd92b7c95/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HkMD4f",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793704066,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T11:12:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Pifa 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/HkMD4f"
}

What the leaf hashes

{"body":"eec7e7b6879b859f4a1beb06a5f14492e4e1e34e871a2d11ae4c7c7752f90efc","id":2569820,"kind":"listing","method":"sync.erc8004/1","observed_us":1793704349234488,"prev":2569580,"subject":"erc8004:5042:178290","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xcd3c3d34f3b17770beca90ec4593d1203523ab3be62c94f7e4ef1be1b41a7021
2. 0x0aeb412b1d506188b96850edf0b175e549004f9603336d9a04dd52d98a7d8f0a
3. 0x63281cbf87d0f28dad5617237cd6c7310c70dd2dc6ead850504a5f0105e5cd9b
4. 0x585f5788018f6dc1be369571772684ad44415ff4fe2e91830d77385bb62452a0
5. 0xbabd1d06257d93366f0b86b46f838fb49e69316cdcc964b1b8e1f61fe857d851
6. 0x9ae0a1fe6270634d289ce7bbf1aaf9aa1b936281ac65ae67d4b081d3a83532b5
7. 0x4f6a18e1879301aead929f403a801087e803b56ca8e51246710832edc3b106fa
8. 0x677427b7fdb729883eeec66c44d63886960db9c66cb2bd70a76cf81d7fd55add
9. 0xd4e3a228b3db9a4926df1dccd7d4146fe28e40f2b6756a2f9dae924eaba3bfb7
10. 0x0feffdae145691bee23a190dcd295bde880a523d6c664ca0a0143c8dd5df89df
11. 0xbd6f46f900f59f73dd50befced9f530796b869d1d0a631b865c0ee260b6f8b01
12. 0x622a46193da28a1c9a8d8ef5e9cbdca4283fa554d97ec6b4613dfaf366dd8635
13. 0x3cc986cde06d5c6049d73d3e8c2f67d8c287673474d2ceaad7738ed7a5bb185f
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7