Evidence row 2280820

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NyaAuI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1845e841-7d7e-4117-96fd-7943f98bf547/.well-known/agent-card.json"
    ]
  ],
  "name": "Grisus",
  "owner_address": "0xd9f31b93e066fbb18419beb29d490ee24a6d8bee",
  "raw": {
    "agent_id": "133353",
    "agent_uri": "https://centralcity.ai/a/NyaAuI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grisus 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/NyaAuI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grisus",
      "registrations": [
        {
          "agentId": 133353,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1845e841-7d7e-4117-96fd-7943f98bf547/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NyaAuI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793653911,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:17:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grisus 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/NyaAuI"
}

What the leaf hashes

{"body":"06abf78f6509886cf635288dd13957eb1d03fa6c586e9e4685f4a36ef1e8d928","id":2280820,"kind":"listing","method":"sync.erc8004/1","observed_us":1793654230678826,"prev":2280320,"subject":"erc8004:5042:133353","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. 0x526e9048e40379e3ce4e88ccec6b969476863009aa6840c362b76592de1d9102
2. 0x23ef9f9ce0fa2228defe59c6bdd7ea4983dc2272cff6b1d67abb08e9d3955cbb
3. 0xe7b9bd04f11ffe8851706551864ee2847a186efc36a4667e7b300d9bb0f0b433
4. 0x6029cd508139aaecf8705f39379c03c1c9762c5d384f8b89aa78641bf991fca1
5. 0x83e7586a7806735db5153e973ba0c5081cc5994da27be5542321f011eae1c231
6. 0xb9d0c8f320c95eabc217ac0111837d45e976f7a8b67137e7e6bb9b614f911dc4
7. 0xdba7cb9c91b85c071c70788d1edeea1371158a2bf3706f24ceed5abe335a88bb
8. 0xc7b89859cef70575f40cdc130feb0e07f680908bf4df154ae1b206f34b4ed3fc
9. 0xa76d2c8b4720f9c1b41c95cc3de7a58a449fc942bd8b39f096400170328b653f
10. 0xd907dc4def928387e6e0b1c7979ff3736b37c0c96689f5618b46e9d7aab59ff0
11. 0xf3842ec1d284b8dd3e855c5753327f72acb17d14a34c74476e1548a808165dcc
12. 0x72adf61d2802939b48d74a549823053f636277c76140db963cda7bbd192a3539
13. 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af