Evidence row 1818427

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QV6Hrw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f5ad3f04-5931-448a-a4f8-6c366adb9f13/.well-known/agent-card.json"
    ]
  ],
  "name": "Britero",
  "owner_address": "0x2d92598099aed6dc3485915f3f50494b939e3e61",
  "raw": {
    "agent_id": "21689",
    "agent_uri": "https://centralcity.ai/a/QV6Hrw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Britero 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/QV6Hrw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Britero",
      "registrations": [
        {
          "agentId": 21689,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f5ad3f04-5931-448a-a4f8-6c366adb9f13/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QV6Hrw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562554,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:49:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Britero 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/QV6Hrw"
}

What the leaf hashes

{"body":"09f310865831beaa4e9748ef368b0d82b4850dc2d8b38e1bad7b5eb0ea21a106","id":1818427,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562583284658,"prev":null,"subject":"erc8004:5042:21689","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. 0xf339f1519a4599776c7ef1c007909d0b0208233dd456008cc254a5134c09afe0
2. 0xfecd2270438c32b76776f6be39d83b20270cec9372296bb7decad77605fe87f5
3. 0x4dcb6e00532df41b7f40487aaed1a353fc5c50a8919ee8c71d7816b95d39d04f
4. 0x1dca21de938daf4d158cace3fcd4442ea20059cb305a7366eaac7223a157b4d8
5. 0x4d0690cfb85f3304c282aeb876e99bb4c820e9761ba75fd2fbb8730107bcfbe7
6. 0x5b569295ae5802436b7041d0df686c92f09febbe7bedae9856817e35bf018dc8
7. 0x0c5e69f5fc8aa6758895fa30f0191e77721ad0344f1cda30894313cadacca592
8. 0x90818a8388193732f4597ed5e13fb143c12d9ab2c33371793ca3b4d282361374
9. 0x16861b303bf853750f6f2ddbcb0ebbea1bfa9d4489e2e5c2a3c179c46be56631
10. 0x15f4879205347487ecf9b10686c7bb866cae9b52ded9873347fd159d5eb3468d
11. 0x4f5d8345ad6d565722b94234825ccb1e357475cb5f00852a1cd5f88558bc089b
12. 0xd1faaa0778bd48fa6c68cd4b13bced5b45dbedd3c663d1d8a1448916424846db
13. 0x0c23c9192bfe154b4061fe80d841228e518702b191bcc9803922e60782f4706b
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90