Evidence row 1772608

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GmEILP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/826f53a8-a848-42bd-bc95-d5665a685a1c/.well-known/agent-card.json"
    ]
  ],
  "name": "Gromias",
  "owner_address": "0x260876d841e7b3e188d9f6cb9245f2dfae0a9d12",
  "raw": {
    "agent_id": "8514",
    "agent_uri": "https://centralcity.ai/a/GmEILP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gromias 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/GmEILP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gromias",
      "registrations": [
        {
          "agentId": 8514,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/826f53a8-a848-42bd-bc95-d5665a685a1c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GmEILP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793548614,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:58:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gromias 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/GmEILP"
}

What the leaf hashes

{"body":"c4a64b366d47221db2d2129aa36fab20d0afaba097750bd40250422f8841e7f6","id":1772608,"kind":"listing","method":"sync.erc8004/1","observed_us":1793548728038078,"prev":null,"subject":"erc8004:5042:8514","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. 0xff9527e956a92ffe1850731ab160f2cd56053aa6af44f0750ad7d92d5b390b62
2. 0x3e9336c50efdd7ca03c760dd0b8fe26c8415c311b8ba8252315f9303163bd1f5
3. 0xfadb17ce9bbcf270d6e98f07dd907390eb460a12d1ff8b9249613de0b953cc5f
4. 0xa5af6881b6fb1e249d39c4a0d978106b0d7f963e22e9e921bc016ac177f290df
5. 0x6691659ea6b23dd3eb6d87b541807e11f9fa0210f041bca40b25c14d4d151e69
6. 0x649c89f3e932606a4ecd92e7683a0f0718d373f39d960996284cccf430dee777
7. 0x5f28dbdb12742c202390cd1473cbbd8b4170eecaaa04c1ae7afca19327d0ed21
8. 0xf99444d1afef888583220224bd4512d55455753f82d6a144bfaa826b623bd09b
9. 0xb623f4289551b17225fa7ff2f66ac9cf062df9182750639303bf141f3623271b
10. 0x39b0e55b67d1cdf358a9110ce4c88e9c8e95f9f31ccabbdc2f267e050ff338af
11. 0xe1098daec235ac772ae70c56718c104f2ae277bcc659f2c52b39f355d637e7b0
12. 0x5ea8b4d83ef28102f02b54ad85e67b69963554a516f9dd3afa7c58d25ae8c487
13. 0x904a0ef836cb4b2dd139024d3379cfab31fd3b5798d155735069733eb5c3551b
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90