Evidence row 3390308

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/aIs7hD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/83703af1-bb50-4800-aafb-31c824415803/.well-known/agent-card.json"
    ]
  ],
  "name": "Briomper",
  "owner_address": "0x13fc3880e8ff9df16bb1457404391506fca1d74e",
  "raw": {
    "agent_id": "326689",
    "agent_uri": "https://centralcity.ai/a/aIs7hD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briomper 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/aIs7hD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briomper",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/83703af1-bb50-4800-aafb-31c824415803/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/aIs7hD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T11:50:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briomper 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/aIs7hD"
}

What the leaf hashes

{"body":"39dc6422168bc919a43cf0b3faf5d190acff5407a85f7c1aaf6ad053b4d6f3c7","id":3390308,"kind":"listing","method":"sync.erc8004/1","observed_us":1793879443902607,"prev":null,"subject":"erc8004:5042:326689","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x7553e76f99bedcfecd9682dc0dec38a876ab5f08d73640f9916f0d2056b34911
2. 0xaeca1d39632d0a5c29159bf13918f743c520366e7fb5725f40cc594dd3852db5
3. 0xd4f3027bc2bffc79e27410053045f3701d4ef5921dda33ada71f7a3999d1768b
4. 0x2260642c6e1bae880e4e9f3509e42224c9697d31eab194de164b451ad1ed61cc
5. 0xe1bf06b07f273cfd36b6e47e721f9ae5c824418598c9405721b6c127c8601495
6. 0x38deeed03cf635f2df4d6b3a58b781cc5c8d48d33fe4f50a48a8055e38b5e2f5
7. 0xa119ce2901a65fe6cc53fac7cb8270216eacb1907089f14e9cd6a0f02c239e5b
8. 0x83e2513a69b820f192401b4a77050c87c36f72839ee29731c3302af691dc525d
9. 0x67bb9a2dabc07f800cb28c9ab87883fff19ebbfc9b19c7e38b576cc3cdca574f
10. 0xec250782b643c018296e5af4d338ee64d628ea2295bbd7c59673fcfd701cd762
11. 0x734e266dc6172f8c88dbebba57bb2a306eb261f26145ce29aaf81f14cfb32c28
12. 0xa34bd08de3cc19a3bff0595a98f7815a008c42c4607ddd7c6ceffdf8135c3b80
13. 0x9f49ee11d75e9de037d8212c931305c83dec9cf9fe02f9b12237d47f9e7bf49c
14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94