Evidence row 2167764

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rMYEha"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e05991c5-7a58-4ba7-88e9-666406fc8761/.well-known/agent-card.json"
    ]
  ],
  "name": "Grebero",
  "owner_address": "0xfcc16521341aacdd1e7fc8bb228d856cff66acb1",
  "raw": {
    "agent_id": "109401",
    "agent_uri": "https://centralcity.ai/a/rMYEha",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grebero 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/rMYEha",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grebero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e05991c5-7a58-4ba7-88e9-666406fc8761/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rMYEha",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:54:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grebero 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/rMYEha"
}

What the leaf hashes

{"body":"7e909b5ff07d06af5c463f8e36896740f54700a7f3ca67bbe72ea2652da7d377","id":2167764,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634888773952,"prev":null,"subject":"erc8004:5042:109401","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. 0x1d0101bc21a2e2338b9b3caf25b5280c8d39082d1d7059488977970d95a8dd16
2. 0x795d96689a6bfdfab92608f820bcfbff996dff73b4f5c20f32197d40e7388c25
3. 0x7d58d1391af55c3fd65e686d78392d77737a2b44d05d0d9d8c41d5c62fbf892c
4. 0x093cb2edd46a2d53503c957a9d6d3a49131ce0d193765bc792330e5e670e8f43
5. 0x2068e033f1b982c5bd49aed2cb12b9b5e5848327da4685b7dcce7e671ae37715
6. 0x73684f5eda01a473c64999913566fa456b678b0f1453af6598adcf1381430fe4
7. 0x7525b9ca9d99a7b498a9dfabda303b120dbc7f8b2822324739deab6f9fb6caa5
8. 0xc4f71ddd9f0b09d03997526a34e0f0132ddb76ee276f0dd66127c4be41ab4d72
9. 0xa5e10250232881de87c51903262256218b9d12592b66cd54b43b87e5f843d238
10. 0x35b7be1aebd65b161a90b5f8ee0c4bc3f5b2f9909d530453d65328ebc4ae4e03
11. 0x1958dba7b75c9cafc665741f77e7dcaa26c468963f73c107738b97fbcb474191
12. 0xfa646e4b5dbdebf795dfda0b29a3ea57332f8666459a0c2538f16fe8103169aa
13. 0xd6cbf3765149b25eba4e10fe21fd5993687ecdd3cb9c495f97c3c148afee08ed
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af