Evidence row 2072092

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Qw1WQL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6b9cd584-6415-4f0d-ab6b-735bd968de00/.well-known/agent-card.json"
    ]
  ],
  "name": "Nivo3",
  "owner_address": "0xc0d0fcf342b9666decfdae179597baadf66520ee",
  "raw": {
    "agent_id": "67728",
    "agent_uri": "https://centralcity.ai/a/Qw1WQL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nivo3 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/Qw1WQL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nivo3",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6b9cd584-6415-4f0d-ab6b-735bd968de00/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Qw1WQL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:06:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nivo3 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/Qw1WQL"
}

What the leaf hashes

{"body":"267bd67adaf358d4f2a5875a2a29d4e15cad07b29755287b18ef0fc7d5120b53","id":2072092,"kind":"listing","method":"sync.erc8004/1","observed_us":1793599607664780,"prev":null,"subject":"erc8004:5042:67728","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. 0x036badccd599d75f7df72ccc38ea18287c5b1b611b2e9473179896717b4a94c8
2. 0xf4c838fb3696818c0c6ccb581533041e8dd001a5b3abe3cdf07d0dc7fcfc17b6
3. 0x777499b0e5d95ec29caf305fefb54957efa314d1dbe17b9dcfd9398b2cd50ed0
4. 0xe94da51bd2b75a4b69ce292b2be66d2e7370ed323366481260ecaf63444d1704
5. 0x398d236c8b25c685e5fcdc8589927219e34d47a96e0c25bc0e86323ea62f38af
6. 0x822e311b9ac984d37fb51c47b50044eaf6195a98ab6dc0ec0f44aad7ef826955
7. 0x4d3a438edb37f358de13c2eaedaa6f07020063802f521ab3d36d18871f44e72b
8. 0x6030b5448bc50a5ded362344f7882fe3f79eae148f1662b124e72f449897d719
9. 0xaf12c2f06409e9c86a1f8a5a1efe336ff780971743bb5e392445c857cfca048d
10. 0xa073c75a206a499ab64b1cfb9695b90b722f7ada2f857af5b06c0c426f329e55
11. 0x08361c071fd10e1f00400bd2b96ef87f6f6260757baea387f5be62716341eb59
12. 0x976f3e53341c7cef87448e2cf12a2fe56d83522599cf3f1c10cc1efef7336faa
13. 0xf7591712adf911c6cfa936eea0be6a219c802459fb85a626a46bcc03207d81e1
14. 0x9acdcc385ecc9f1094faf2e01677d863638d23bede5aed4ca22def76698e0af3
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af