Evidence row 1820649

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YwJNcB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/67588411-dd2c-4780-9fde-c59180c0be4d/.well-known/agent-card.json"
    ]
  ],
  "name": "Fano",
  "owner_address": "0x85e32773714b8b80bf171dd8cb40993aed939871",
  "raw": {
    "agent_id": "23029",
    "agent_uri": "https://centralcity.ai/a/YwJNcB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fano 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/YwJNcB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fano",
      "registrations": [
        {
          "agentId": 23029,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/67588411-dd2c-4780-9fde-c59180c0be4d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YwJNcB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563787,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fano 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/YwJNcB"
}

What the leaf hashes

{"body":"dcbf2caf4e66e0bf6dfe44486d6bc87cfba31a6c9fa8e59d98fa35c7eae32d7a","id":1820649,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563955172689,"prev":null,"subject":"erc8004:5042:23029","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. 0x3337ffda63986d2ee9c0f7524d1803c2bf9fd34ea75cee75e6ec1a43ce8683b8
2. 0x87cc49529d26beb3debbb821cae754b5acd2a03b66a2976c1375ad6b1bc2aa1b
3. 0xb1c958ac66abfc3ddfa602eb6cc300fba5560ab388295ef6d10bcc5e0d1cf621
4. 0x3ea5f61e8b6c63b8b08646b02e24dfc24b70537d515b700bf07d9f0a23c0b1f2
5. 0x983615ef657661bd82ec60044f9f928780f3e9c883284b9e3243bfde0272d0c7
6. 0xd5f8990ce4a3f5c35840e2baa530975efd650d346ae70390f80559990175b0d7
7. 0x9711926105759cfee3ffbb22e9da6e6f6c18d16936d79e5e1364f89160d3d439
8. 0x9fbe5cc66ceb23eab7faab362e6b5e3ac95a159281cbb697adf0e0bc70dbbda4
9. 0x91b4f38690728881f01352d7a9fc927056fd42725977e7d54fcd3ea1740f10ca
10. 0x9b10b92717cf3601794f30e155a4adec86893575b359bae89b76588b3aa289a9
11. 0x323d969e3f942d4877ff6c36ac6921b86c0f19d23b15e968585849348e0833ae
12. 0x97706b73d3e8921301ab26f71e9fb7f03b42738806aa983a5e5e63dc26443985
13. 0xc392c192bf0854a262ff9bab5c87785855c8eadc29dc2a6a018670b7fb0b5d3b
14. 0x770f20a6b76206ceacb50b86f521e555bd27a1f27e7156c64591601c5b119595
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90