Evidence row 2078746

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3RZ5pc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7e93fe49-3c27-4d43-9dc3-b45055e0d7c4/.well-known/agent-card.json"
    ]
  ],
  "name": "Kosta",
  "owner_address": "0xb5f619f3edafafe58da7d696c24d567dc35eee40",
  "raw": {
    "agent_id": "71045",
    "agent_uri": "https://centralcity.ai/a/3RZ5pc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kosta 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/3RZ5pc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kosta",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7e93fe49-3c27-4d43-9dc3-b45055e0d7c4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3RZ5pc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:53:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kosta 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/3RZ5pc"
}

What the leaf hashes

{"body":"1e70fade148b501a282a9d2f9235b5e9fde625329e20a27b3c3b3f11d9fa6dbe","id":2078746,"kind":"listing","method":"sync.erc8004/1","observed_us":1793602403652894,"prev":null,"subject":"erc8004:5042:71045","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. 0x210307997d290c99bb9df7e58a99da6aab2b830490084495e3b675b4e4620f7f
2. 0x6e56c6e8cc084baa153f9b5b4cde7822f6a5b8e9073a2eedcfe1912c962e6e88
3. 0xc844843473c836762263c5054de26e5dd823168e879c23bca3127c2c5270f567
4. 0x43cc7d49ee321d15573e5fd688c98861a499a0fa23d8b191990fc94d51edd692
5. 0x6c018f04cd2660ac4e3e24a1beaea54c87b4bb98716b2e61e1a3072f30c7c272
6. 0xcc804c0bbaec3c88b2a2700b19106228c5dc60a37b0aa5fabfab18c441e59202
7. 0xf1820ab155c64444d3eed85e07b2e52b0804f79d507ccaec59d00507aff0194a
8. 0x8574ee9ce60155addcbea05d96cb0909293d854a07efd532c73202f3c4395801
9. 0x4d754bcfaaa2c7953a6562d326d06336a0fe311c777af3dfc1773fb12785e5e8
10. 0xcc2ad541bf6cdf175b8532a3a599ff58f2939022baef814a8bbe9840bda2a630
11. 0xb638c84e21afcf4fb05edfb18ec1ec3e90dae343db8f36941c6635df85608248
12. 0x55683a1d17eb7241c5fc7a5cf11e9abfdc0742d9a734c294f9a5cf8eb64903c1
13. 0x1684e269a6d133e78b06586cfa473a0fd25d7ae52c10084dd8c0b8a491f1b827
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af