Evidence row 1815950

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DXH0CD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fa0cd990-8fcf-4825-be2d-29331297ee4a/.well-known/agent-card.json"
    ]
  ],
  "name": "Grindon",
  "owner_address": "0xa247b74cba13b759a07a3fc511ea701e206435e4",
  "raw": {
    "agent_id": "20112",
    "agent_uri": "https://centralcity.ai/a/DXH0CD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grindon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/DXH0CD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grindon",
      "registrations": [
        {
          "agentId": 20112,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fa0cd990-8fcf-4825-be2d-29331297ee4a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DXH0CD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561096,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:27:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grindon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/DXH0CD"
}

What the leaf hashes

{"body":"dd408197fa17a91dad8bd2e00f5477c7ca076ff4f26c01790118d045295629ef","id":1815950,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561248660392,"prev":null,"subject":"erc8004:5042:20112","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. 0xa47a2fd76b57379163c25d5a1ca084a801113a78f6ab53d2cf3c425fbcece9e6
2. 0xdd6f1386b56a4482f60526326514dc9873be2e15ee8c65d6fed0da474f876763
3. 0x422c4d327b00e4521da9e0d48955891e10cb7052191d14385dfe933ce7ab6eb5
4. 0x176ff9de71d6ede5cda8220dfed0e1e86252732707b25aed3fac3661d2588c96
5. 0xcbc98ea44b5b7cf2eeb2c62b8ca9f01e571923a5a28082af20631c87be0d7e21
6. 0x4688e4d43d982708f983c4c6635c78fddb4047b0eb999354919e352ac649c7ca
7. 0xbc31e2296c6eb971613165e96fed7927d454a3e6401b0ea7d0846c318676ad33
8. 0xd72399fab4448287d3f25deebaeb9ecf0da6c8d1f1909e5b23d5bbe382027d89
9. 0x1fa7f92ffdde386226cfcafa846612dfd6eb731fda0695ea97cd8b82a7857062
10. 0x2052d64da55634ffd3aafce6f189ddf9c61da372de4a1ce67a19ac1f16b84ce6
11. 0xda785e886223a70b1af2609a7e7c6fa1f345179c741bf01bf73afede73f3d463
12. 0xf596ab6f1a05260d5ad0a45b33c8a335c613e9880eb25b148dfb8631182f1b95
13. 0x83027c0ec1e982e02eb36b0853f91c562f016c08ec6b3d360763c1a90f4a9cea
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90