Evidence row 1755674

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7AcTuc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6dfa71f6-67e3-4132-891e-36e01a3e5e15/.well-known/agent-card.json"
    ]
  ],
  "name": "Massino",
  "owner_address": "0x16372c289de59b22d7102db9e3d966f89060c644",
  "raw": {
    "agent_id": "3373",
    "agent_uri": "https://centralcity.ai/a/7AcTuc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/7AcTuc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6dfa71f6-67e3-4132-891e-36e01a3e5e15/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7AcTuc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T09:43:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/7AcTuc"
}

What the leaf hashes

{"body":"02cc22969f79b076f8cf2978ff2f630e2af5b4262ac8570a7f4e16978abf8f75","id":1755674,"kind":"listing","method":"sync.erc8004/1","observed_us":1793526201766189,"prev":null,"subject":"erc8004:5042:3373","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. 0xf399ee0c45f1d822ec0b6800d71c4c8d6e10f1f033a129088dbb2fee1b946ab8
2. 0x11f697e2a935e730d207d159da7fe6c2553c086a59dc105f841ac97c19afc5ce
3. 0x8097b62b9961e87ab6eaf59cd90a8d8f8ea11eae263a977962313061d8d4cc9d
4. 0x498e223a99f03aefef29d16acc77a681216c10cc7321a200da836bb7d1a4046d
5. 0xc6d8a0da48f5d64dc5a9adbef17ddd94bae8feb0bc486836a7b16237c73077dc
6. 0x480e9d5484c4b886626a797aaa3991392db4c1bed24e1ab54439489b72f58d16
7. 0x0d1541aa2e440794eb5ce5b1d0860d93d0386f85043defb56d98552436bf6943
8. 0x5f576e05a7dfee65c2ef92941aa94e588eda2de6bb1b69e4df84483eefe46ab1
9. 0x10165c77f85a6525fdcbff50e80d26367104e55b69fe74a17b945cf6f9c21cb7
10. 0x6327aa34d28b0769903f1fd3d4ded3ccf91e07edbc77b498aa650c348e42a72d
11. 0x322afe88ee6b54f00fc343e82d207d8c9b2e2fb59a8222e23102b4fee834d438
12. 0xd1faaa0778bd48fa6c68cd4b13bced5b45dbedd3c663d1d8a1448916424846db
13. 0x0c23c9192bfe154b4061fe80d841228e518702b191bcc9803922e60782f4706b
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90