Evidence row 2037358

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/bKZHrO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ef25345c-5764-4c3b-a13b-71312b5cc337/.well-known/agent-card.json"
    ]
  ],
  "name": "Festo",
  "owner_address": "0x81a779265cd51674da10cfafd597f6973a1c3a9f",
  "raw": {
    "agent_id": "51211",
    "agent_uri": "https://centralcity.ai/a/bKZHrO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Festo 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/bKZHrO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Festo",
      "registrations": [
        {
          "agentId": 51211,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ef25345c-5764-4c3b-a13b-71312b5cc337/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/bKZHrO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793586354,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:31:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Festo 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/bKZHrO"
}

What the leaf hashes

{"body":"2237599ba14a3459040b51f3774cce2e32dd68eea746296d565bf36e9c02edd4","id":2037358,"kind":"listing","method":"sync.erc8004/1","observed_us":1793586695100170,"prev":2036858,"subject":"erc8004:5042:51211","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xebce6b74ce0ec822a0ed6ede9f5035b74e1760e2601c37847806a7de1361f0f9
2. 0xae6b7999a3152fe2601c08eabea79d5ee8c6d039bddb71eedcbcb63610444434
3. 0xe1a3c8875047f29feccf5b09b6bfb92ddb4bca4045e1c1bd33c501f491aba551
4. 0x909a920b7bb973047c2a38f04a923fa467a01bcf5a4eb6376941d159e928e898
5. 0x8217275aac0f3c87966f4eaae8f894eeb6e2c6f6030ead61c09612e433dbaa68
6. 0x004d2513e6f5596979a2f1a0d9471934de289b29946b74d04fecbecf0c7e7084
7. 0xd85d60372b79ad00dfed00c34d75a8d732d173a3569128539921dfb55c2f12fd
8. 0xe329ee19785956ad6b11521f629e1c6c79468d0094d0c05cf38ed891608e62cc
9. 0x9c368b1850c2db56b781130d105d2a6bd43f6b5827fa83b330611d9ee5162883
10. 0x1096debde9010ab642c84e47476d74f1b96ae6255302ba865bdecff8ee65d509
11. 0x4a8e0bde5af82648cbaea0621f03019b7aa0468848368fa1b80ba6666f0f42e1
12. 0x78204391d00442b047285e0d52b770052d21e7b586601d7ec737e99be32d0702
13. 0xe61415e30eff3f78f72f491cf1aa4fddf56b5fa4aab16d517b5f3bb9587740ef
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af