Evidence row 2158063

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/icJaIk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d08174b8-28a3-4f3c-8cd2-10ded8c6e98b/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiosteon",
  "owner_address": "0xd57587afeb7417aba2726e31c74867cc9cdbda8c",
  "raw": {
    "agent_id": "104816",
    "agent_uri": "https://centralcity.ai/a/icJaIk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiosteon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/icJaIk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiosteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d08174b8-28a3-4f3c-8cd2-10ded8c6e98b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/icJaIk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:45:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiosteon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/icJaIk"
}

What the leaf hashes

{"body":"14bb144b6212c5e2e19c8518d8bce78d55a438c5d057825e6b8f29b8b6aeb961","id":2158063,"kind":"listing","method":"sync.erc8004/1","observed_us":1793630711068446,"prev":null,"subject":"erc8004:5042:104816","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. 0x84d06b89bdf3d349eae35cd7fb09f82bc16e71c28ddcf6a5d0d28c2cd985062b
2. 0x00b47a896d93e8af8ce85e45a0e950036fbbc55b89398493a7d83092066086f6
3. 0xfde6d5b54200b1eb5fdcfe5275ffc09a362bdd926ec9711685811913d3d42453
4. 0x93cd352733ed7a1343149425168874a33837116bab44782bb7db2c68ed769bd9
5. 0x740a39d129d8d5b529645c9f8b892dd54f63bae55ba4b4685246c830f1d625d4
6. 0xbab8e3ade0a5f9bb5e41a7b1aa8f0ebb232364f08e9f78262b337b1ccf2e791a
7. 0x4c5a6d7298e6744a58b19b428cbbfecfa3c96ba515236c3c1bfb253b7fc9f60c
8. 0xeaa99a780f7f530a4d5eb9304a56eb9935928fdd7d08db56784f45dad8a5eec9
9. 0xfee8e49f17802899557e3980ca528ee35382b95aa7db0dc582d4a69012c10f0d
10. 0xb03f910d3553137080a26b1a09a02d9df09edacd2534a6be829b41043c3c11d9
11. 0x696c00d9211d83ea8919c97d2e192b4ff42222a0bbdc8bb1a54479d0deae2df4
12. 0x0d7ce903c884125a82bd6ab17048d38483542df814fefc95fd38be505ba8d991
13. 0x01026267e0e47b54aad32519d39da32ac6f5740a40f20ce4f9f7312a7268ad12
14. 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af