Evidence row 1847754

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hXPtpw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/972bd652-adcc-49e3-8af5-ca234e733870/.well-known/agent-card.json"
    ]
  ],
  "name": "Feiro",
  "owner_address": "0xa408f2973e697104618104f0e43428f2f56ba193",
  "raw": {
    "agent_id": "39423",
    "agent_uri": "https://centralcity.ai/a/hXPtpw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Feiro 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/hXPtpw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Feiro",
      "registrations": [
        {
          "agentId": 39423,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/972bd652-adcc-49e3-8af5-ca234e733870/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hXPtpw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793576818,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:49:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Feiro 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/hXPtpw"
}

What the leaf hashes

{"body":"d377b549a7569c3addf38dfcce3674f21a89e883ab49201974cbe19b9c6897c8","id":1847754,"kind":"listing","method":"sync.erc8004/1","observed_us":1793576951771748,"prev":null,"subject":"erc8004:5042:39423","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. 0x92022bcec92046bc4df43f7efc61438ec6f54603d9698ea8a3e5e6252d1f6f6d
2. 0xb87d70d15236749d98d0bafe57cfdd132a1c77cfcd49e3c390d714e8d4db30bb
3. 0x69cf088bb45ebc5f7051c18daa6a143b00bc2263cf2fcc13c93beb7fbb83a864
4. 0x523e3ea6051e955e2efc352bb67c4620a9d2eee98ddced4a7ed440c3f99a7837
5. 0x15ea20361b7ced6545ae1d8b92ade676e30ada5d20c7ada2b99cbd54ee41ac51
6. 0x1877ffb4f0fbaaee5884b178ac6b829a834a0fee887e620beecaac3116050722
7. 0x6c955874f8bb3c34c425513f8a04bf8becb2f0ba8be29805f2db0404b24b1377
8. 0xe8f9e8cd8b942748beb18dadbb3b003c3737a4f0bcc9c5310a10c96a1e81d8a7
9. 0x4d0bd25efc71f2e249e3953519149b0feb9dfec01c6a670663587a027beb8933
10. 0x2ed20b7eb992211215174ea47cf9970d148dac16b683ad02cf46eca62fcfa3e7
11. 0xf47caa03f26f2257855bdcdc4d578842d949ad8dae39f50280178a6f9712da5e
12. 0x4fd690c8544ca6b7240571aac78060441cc959a78445821893d020b2f7aae90e
13. 0x73357a003686b5a36e79c0627c363287b3b4b7b05650c5c5ef61e2fe0f8fb20e
14. 0x4a947b63bd24ff0fe59b3ababead63ec46e4f0a77216d7b01b8bdbc5c7c01e63
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90