Evidence row 2163300

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Kevlfs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ff0cb270-da8b-47ee-aefd-801ccd7bcd95/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosose",
  "owner_address": "0xd8f209248417dc978ffaedd9ea7512ada3ef2949",
  "raw": {
    "agent_id": "107200",
    "agent_uri": "https://centralcity.ai/a/Kevlfs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosose 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/Kevlfs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosose",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ff0cb270-da8b-47ee-aefd-801ccd7bcd95/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Kevlfs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:20:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosose 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/Kevlfs"
}

What the leaf hashes

{"body":"cfc1d395dde597d1646b9b4caf3431bf80128b6b4905f6ecbbef352ab83c99a3","id":2163300,"kind":"listing","method":"sync.erc8004/1","observed_us":1793632848436712,"prev":2162760,"subject":"erc8004:5042:107200","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. 0x84e2df56be2037bac0afedc9626dfc847c2036cbdfec30158e11f8004439487f
2. 0xe359d3a5135d9b858cd719eed6a9d123f8fb6b50882fc6c17754e9027c6e3957
3. 0xcc73ec8d8330ec1a43b1784010ec8e94d925e9865c50c275286fcea67c627f21
4. 0x5e25ae7734ec0956132440b2bb24d9b763ddf43a057365cf86618c5d961bdd5a
5. 0x5b87556a81786d890470ccec7f63d4bf94ad2d93585baa4e42db245b8d827572
6. 0x03841c1934f5832caa35640321ba0473bba8e1fb353f4cb86c987621b843629b
7. 0x8e7c1388d032e2ddba15276c8972fffe4598136fa1670840ac883248173bdef9
8. 0xb9a533a630937a05ed0592cc944a95f709e4428c26eb9d46d271aad2ede8ca90
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