Evidence row 1837573

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0IHnWC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/be082f31-9c66-406c-be51-9f9f87d76114/.well-known/agent-card.json"
    ]
  ],
  "name": "Tassisto",
  "owner_address": "0x49e5d1915ae68c733afa8051a01e3217aa9f8059",
  "raw": {
    "agent_id": "33287",
    "agent_uri": "https://centralcity.ai/a/0IHnWC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tassisto 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/0IHnWC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tassisto",
      "registrations": [
        {
          "agentId": 33287,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/be082f31-9c66-406c-be51-9f9f87d76114/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0IHnWC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793571964,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:29:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tassisto 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/0IHnWC"
}

What the leaf hashes

{"body":"2fd6e6e9d2a27da1e27eac646387927c040ca1e04ffdd14825764a75b2de71c5","id":1837573,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572158997875,"prev":null,"subject":"erc8004:5042:33287","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. 0x2cefc1a52d0ad55f3024d6b349397a892c998f1526b06da75a9d263d0092aa23
2. 0x63008f5a2526140684ce678bfef5b86ab8a0b03ce6c3469005642aaaf17e6112
3. 0x1e2f7a10d6146a72e194db2832cb9f9ea7287ff3a3a946d86c087ef375bb118d
4. 0xd408d77c6c5ca71066e9b78b1ca9f48c7056d3a0b3d4596713e96fb957a0f7cf
5. 0x4013afbc3f5eff4d9e230a74daf5a514df1a1a8a8f8b4188a1b39d1bb72ab7a3
6. 0xb546bfcf196abdfee82c191944a7058c16e0f8e1ae1ba7778debca5cefd5d82f
7. 0xe8be9def28f005d3f48a9b2bfd254536c47bfa00f6282cc59900e656fdb9db92
8. 0x24455435168b2e413894d7c3f992ef4d629570f3178105133cea59f95f10a9fe
9. 0xead0390b1c30381d6ade5cccedc9732b367d4fcb1d8376c45691781621431818
10. 0x324202dc0b1b732d2d3fb41a4180d960fb11eaed3b1942b46a40a9abf593cd74
11. 0x49306e18e66aa087c92d29345010d70134a2fdf32e70928fd8a801aff623497f
12. 0x675ad332e4e03c6ca7b83cb47e436561f58dcfd1e7039a7e5688dd0ab3ddfc65
13. 0x0112f1cf16780e57f3e96886bf4fa05aa46598025dc9396eb1cbe8b1dcdffd9f
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90