Evidence row 2559734

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DCyhV8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5bc23145-8e80-4be3-9089-c8c833bdad1a/.well-known/agent-card.json"
    ]
  ],
  "name": "Trefino",
  "owner_address": "0xa06a973d5d46c1917674dd064b275648b1218016",
  "raw": {
    "agent_id": "173055",
    "agent_uri": "https://centralcity.ai/a/DCyhV8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Trefino 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/DCyhV8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Trefino",
      "registrations": [
        {
          "agentId": 173055,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5bc23145-8e80-4be3-9089-c8c833bdad1a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DCyhV8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793698254,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:31:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Trefino 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/DCyhV8"
}

What the leaf hashes

{"body":"9d0fe4744e400a0523ebfbfd4fa169b2297819f305cc6548ee11380099351218","id":2559734,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698282336075,"prev":2559408,"subject":"erc8004:5042:173055","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. 0xccc323e5c8a85379c5bfe0d2827ee5ee13fde207a2a6e10afd03c162872de732
2. 0x3560b7c267046ea15807aff981a14f60e5f03707bfbaaf39ca9c1cc6001f115a
3. 0x8a1ef27af2bd2a1c537d9ce63f03ae05f52283fc262dec2c55e3e6222e3e561d
4. 0xc05120872783eb8967725b2a8ea83e82658920d0e3fb7ad823377f197cea5263
5. 0x1099d6528cb6dddde73f7fb73a5e10ba3595ea93c04d6eccad9b12d19a1edc32
6. 0x434e35d1a0a50cd46326a0976f5ef5b52ebdcefb4effd58f73a727481ebb2743
7. 0x7142a1b0c43795a1ea2a8145f52b254fc482acc07320d058ca5caea84f69b123
8. 0xac5639ebb9515a449ae336fc2a699e8cf20c410e9d65c54a55ddbb538cc964ce
9. 0x0f4034f4499fca6938d640a1e5abe5e57f8fa50bc086583ffc01e9af2abfefb9
10. 0xb42a60465e57f80fc3e07091d8dd0452af5a0e67806b7e0665afce75313b9f26
11. 0xef8b29b180917a9c1dd0fb237fa7d0784dd184cca931f862caab41674f665bd7
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