Evidence row 2173891

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9IqiTT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6872d858-37f9-44e8-8263-78a6c7c746e3/.well-known/agent-card.json"
    ]
  ],
  "name": "Nontino",
  "owner_address": "0xfb9f26c4cf469ef3b5672b2cd3ef181643e6f36c",
  "raw": {
    "agent_id": "112664",
    "agent_uri": "https://centralcity.ai/a/9IqiTT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nontino 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/9IqiTT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nontino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6872d858-37f9-44e8-8263-78a6c7c746e3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9IqiTT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:36:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nontino 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/9IqiTT"
}

What the leaf hashes

{"body":"a5383e21cf48cdde74138391cc75d8b02de36ff104f96d16fd5a654f7b57e5b9","id":2173891,"kind":"listing","method":"sync.erc8004/1","observed_us":1793637399202187,"prev":null,"subject":"erc8004:5042:112664","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. 0x80f8d2071a40830845888b801e766b1c3e88d01597a1a6974d6d03bd7eecd553
2. 0xe21f93cdefc88746c59db826a2cb2ca918a7cfb48108e524a9ee2cf884c063cc
3. 0x2591feda91c31bb56d59681d05fbb9fa991293597d6f44281060ce62c7bf2833
4. 0x622e8922d647b2ae073dc9edeb4d992dd79ba4210cd68c7f77c8e0091cd0082a
5. 0x439791133162ed57b8e44b12ff2993197992089c4f2e895073e960b6a566a58a
6. 0x9f7986f75a807b9e1b2fc3e52a646e19328b2210b8010319c763013db7e3d587
7. 0xd1a9ab2ca3a85d6787a89cc86838c7ebac26e3e358d1eeca53a5b0cc3a0ef83e
8. 0x027f8969c0de6861be9ed8ae067e5b70d57f5fb51167f55d3bcf2e9bde733915
9. 0x1bf7cb5929f6da18d91f4d1305ce1904f0d4d1888c2e8ceccaf6ae46f59e52c5
10. 0xe28d76f7809d77858d312b728ac71d1bd5a6c872e61c7751211ec108bb862641
11. 0xe00cb3e4c90b6dc84033ecbd887dfee3d2cd9c6682accc0ca34f329e01ac64da
12. 0x71305c272656503414016b5f13ff8cba828a7f92b6aa86f744081781398d24d1
13. 0x6a06852e71057f53bcc6c658511dcfcda03ac93f8dd86e79a4db42c8e85677b9
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af