Evidence row 1843550

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9OySGa"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d9078b9c-ec7d-4653-bee0-c4545044caa4/.well-known/agent-card.json"
    ]
  ],
  "name": "Femik",
  "owner_address": "0x8ed9096a35c47789dcad3621b23079b46ddeaa18",
  "raw": {
    "agent_id": "36821",
    "agent_uri": "https://centralcity.ai/a/9OySGa",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Femik 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/9OySGa",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Femik",
      "registrations": [
        {
          "agentId": 36821,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d9078b9c-ec7d-4653-bee0-c4545044caa4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9OySGa",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793574784,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:14:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Femik 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/9OySGa"
}

What the leaf hashes

{"body":"526d7b4a1f11c6d5c3ff58f93f6932ed5e2645a081191c342296d9d90d4c76f6","id":1843550,"kind":"listing","method":"sync.erc8004/1","observed_us":1793574887237051,"prev":null,"subject":"erc8004:5042:36821","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. 0x4bc50daeb6bda126e49151895c4c36130d6c40bfbd2383560cc563a0be134d46
2. 0x337873a42a5a4c17c9bbb3e032ea494bc2f864226b0d50324a457824aab2dd69
3. 0xe8b6c03c9c26ac06818fbe03c840f42cf60a965f3ba82aa8d022f40cd22e1ec1
4. 0xcc34a8f6e49fba07b7bdd55661fcd5d349dcce3a5fe8262a881f9251abfdb28f
5. 0x153c167e62d81c6dcc19dec49e70f073ceee6e506502e3ea452e1f0a6bc74ace
6. 0xbf2dabaae4af4398ca4d86c0218eac3dd7dcab1a8ffb494cf7e4191d9e2b49ef
7. 0xb705d62b120d347fd4eca303e9679fefbc2517c2f5e000d860edf66d3a46a20a
8. 0xf4bed0012da4a2ae4661c6bf6eac9c691ecca1fefacdfd288835c2713724053e
9. 0xb7298346e441c89bfed8d4d89620fd39737692243e7845f54bc10cd020cf1870
10. 0xbc57ba670ef9b9bc34a4a538fa7d1bdd2638950dcb00ba1e9184f2901b755bd6
11. 0x66a9bc181d9e56c53d489ee2cb7942cdb5ded4b6814ed9127333e4a5d02acfe7
12. 0x216487fdb5812387ef5bd703d60ea8f043773d5db562b3ff2e11dba79509bf1b
13. 0x8aa214258cf763ac22ad2503df59c82b987a34bdb8f8ffe282ed4454b90f50bb
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90