Evidence row 1777838

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/W8ePyk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/50a16376-5d30-4dea-a22e-d130d27b5d7d/.well-known/agent-card.json"
    ]
  ],
  "name": "Billabel",
  "owner_address": "0x4b6435a656077dceca096009126b805b01b1a81c",
  "raw": {
    "agent_id": "12899",
    "agent_uri": "https://centralcity.ai/a/W8ePyk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Billabel 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/W8ePyk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Billabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/50a16376-5d30-4dea-a22e-d130d27b5d7d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/W8ePyk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:11:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Billabel 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/W8ePyk"
}

What the leaf hashes

{"body":"37f018cb0f2adeddb8b241d3888714f56f63aac9bc174185e80565a055a45eff","id":1777838,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553062358054,"prev":null,"subject":"erc8004:5042:12899","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xb59fb9b36401aaf4118b4d5f642f3096cdf674dc673afb942b1ab27481cb14c8
2. 0xa75a43d5f491258c818bce603319c0f0243ee75d990b5ff614e87baaf94ac0f3
3. 0xbcaf5f47a781b46baa5a21ab981144982825f52232bb9593c908a4c06bffe53d
4. 0x513d4b788587a7071b5bf7824d4e328ea6d1978f5628937865df147e1c95bfc4
5. 0x7f8706ca361dcb2d88b2490417f2182eff5fdec7f55ffc59abf49208348c7800
6. 0x2f1f802b85a1813f6a978b1377be1b2233ba91e0a43774c6c8cb3562872ce69a
7. 0x2a6633a494e7a9c8e4ec58f34924504a364ad529bb97a04a5c2424d3fae17b54
8. 0x9611c92563c0f43f4cf7c16c2d18c9192db22aeef12be599f85b8b59598e0133
9. 0xdc6bd223278ea521c00e4d0a990c0e9312cd851421da9624c8d8aca7130d3561
10. 0x9846ecd3620d35c20243904fd9b4fa42c38003b5f79b4cd080eac40eb6afb30a
11. 0x32de2d55809f78a6762be2adee8c23ca03fc6ecd558cd691f0330c9bf5dba671
12. 0xda43e7c33db4b2a49eac5372d59f78be85b20270ae35f3877840061da57873f3
13. 0x76bd6c29668276bc9bcae1a73c60a4d02ab25f5e47f437d7c2c27bab58a536a3
14. 0xc4208f09c5a97556dbf0e04ca82216f9056e3cf547ebb46cc61036bfd76910cb
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90