Evidence row 2290688

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BRByt0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b1133b11-7b5f-4944-a432-813696e586fd/.well-known/agent-card.json"
    ]
  ],
  "name": "Fosert",
  "owner_address": "0x75fc743d0615f63d336d9c91156a7468644a5c3d",
  "raw": {
    "agent_id": "137730",
    "agent_uri": "https://centralcity.ai/a/BRByt0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fosert 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/BRByt0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fosert",
      "registrations": [
        {
          "agentId": 137730,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b1133b11-7b5f-4944-a432-813696e586fd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BRByt0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793657902,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:20:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fosert 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/BRByt0"
}

What the leaf hashes

{"body":"a07f05560c63c0a61ae4b3156b99d8d51388405e34b22fba99c59156adfd53b6","id":2290688,"kind":"listing","method":"sync.erc8004/1","observed_us":1793658006838944,"prev":null,"subject":"erc8004:5042:137730","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. 0xaae85bf303aada2cb1eea1ce79dc47aa6516383a8d2ad839ace4f71aa4634458
2. 0x5454b386c994a33fd68410545c7524b860e3330f30f0c3ce26134183b73803fc
3. 0x8f28fbe590a383f0ddedba77f54fe71f7a8d244c556ec2ca6359177d7dccdb99
4. 0x290f6136231b98c84e31c802cfefc4f6996dc78f2483fbc1d894c20db7fbdfa1
5. 0x690a19e37fc9ec4f3813f19ba4f8ca12c7eb54d62afab9d6ecd38592c976a1c6
6. 0xb23a48f097526b8962a93cee5264ee472595b30af58ccd251c15d699341b9d0a
7. 0xe0a20e51b841c7b1b437cf5868ff98d8667bde1c691173f1a7dffbac05ef748f
8. 0x0598b3dc13fd50d058b475e7a4075e45fc70ef551326eddf8f729ab0c846cc9a
9. 0x57500e0c1b66dd137d2dcd79ba099e15ff6602207eff2458479be153688203c2
10. 0x8e5ef8feb575d728f3a801ee5ed7127a8ed46a03ff6e615584cabe2a29c77085
11. 0x0b0599cdafc51aeb51303712d6352904fa882f3025c5a86e9ca3f2735585c32f
12. 0x8cc79a806621c6c78dfbbdd21d793ebf9fe2942c16ff8fcfabfae8b921d58fb4
13. 0x0a8f32fa56d4ddb69ff176883beda0b0217f66ec9bd09c11cec95d7ba5f6c70a
14. 0x27deeb1ef1692b4773e73c16b6d8d0cdf4251fe2660821e5336f57539770fd2f
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af