Evidence row 1769770

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/50t6wy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/47d731e6-574f-41e2-9a79-aa89bb7368fb/.well-known/agent-card.json"
    ]
  ],
  "name": "Gramabel",
  "owner_address": "0x50585ffff67cb732f170caddb58d5ea07fa75526",
  "raw": {
    "agent_id": "6401",
    "agent_uri": "https://centralcity.ai/a/50t6wy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gramabel 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/50t6wy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gramabel",
      "registrations": [
        {
          "agentId": 6401,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/47d731e6-574f-41e2-9a79-aa89bb7368fb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/50t6wy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793544990,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T14:59:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gramabel 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/50t6wy"
}

What the leaf hashes

{"body":"93d91b2c358523000a3fd5abe472e4ada9317c05f830d5e09c85ea32d5229113","id":1769770,"kind":"listing","method":"sync.erc8004/1","observed_us":1793545190656535,"prev":1769721,"subject":"erc8004:5042:6401","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. 0xeeb777dc254759414164c98d4b5bdd03954207d7c3954fd543f8002bd1f76875
2. 0x272a5e89af06342609a771e03b77c3fd9a9baaf4fe5169f3f9e1ce5391829d2c
3. 0x92b8a3f4e0b62b54732bdd0978e4dae49b90248854dd0a673cf2ee9210bf2deb
4. 0x4930ff243e9ab9e41060c377e4a31fbf60cb0f5f0e86b7c3e16a0f8cd2426964
5. 0x962f9285fc0caf4a23dd86e3b2499bfef9274cfafbacf595fed1d3813c2f6f88
6. 0x5032353c65b4f82d27f807fc70d4929810b729bba5dac95208784d721214a0bf
7. 0xfde07a1714879819128ed578f2aa0148b0a3310d156f4b1bffda1c69ef9a7af2
8. 0x3a081cccde6bb88846bbd5eec87caea20daacde630118227baf13076efd98eee
9. 0x02542665a5ed14b605fb5c097b795440cd8ffebea935ab85514352b36dcaf632
10. 0xf3dc0fabd0d8efaaaf415f5ac4c5cb11a34b6d2c2350d5b6701accff8a6f3f38
11. 0xa2c0814a4e554d6b50aa0d5c18d88c298221096ca84ba409a1ecf9113e0cd795
12. 0xd89fa48ca1d4954538951ca232b21fe073980b92125f2108cb7289e038ae2a25
13. 0x598a084bd520019422cd8fb5335eb9a224ef694f2125f139073e8eb90ca1503c
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90