Evidence row 3429102

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/EwbRUo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e05a6a56-f290-44c7-a071-c81269d70bd3/.well-known/agent-card.json"
    ]
  ],
  "name": "Biossis",
  "owner_address": "0x16b632434c55330dc5dbb8732841edaee7198321",
  "raw": {
    "agent_id": "345280",
    "agent_uri": "https://centralcity.ai/a/EwbRUo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biossis 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/EwbRUo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biossis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e05a6a56-f290-44c7-a071-c81269d70bd3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/EwbRUo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T16:53:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biossis 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/EwbRUo"
}

What the leaf hashes

{"body":"4944a9426214ace768251aed437d414b2bfba60a98b15d50e19f35171eac5454","id":3429102,"kind":"listing","method":"sync.erc8004/1","observed_us":1793897622334874,"prev":null,"subject":"erc8004:5042:345280","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. 0xda1fa220358a1a3d58bb6f5847e4fc2dbcc8729ad0f7f55f566f3cd58249a456
2. 0xa42e5744feacbae01de6012330a26b7a4cb051a77540e1e278636acc5ac63f0b
3. 0xda6ee5bf49276403d2403fc05bbdbed1d3cc4500916e027fe271e390b84da83e
4. 0x6b3a35f0f12c090155d7249a851c1ae114f0ba7f4f6bcd6aa20f52693f852235
5. 0xcb7363d3dce2f9da41bdb55db87003f1145543b63dc3e94294ca2de3200eaf71
6. 0x0cc6fa096a32bc7679370e4fa7826a350edae8315dc18e733341e5956a77d0bc
7. 0x4e381c0d70f2ed0536490937dc46b77797f2746e4689d70d398a5fa64b01f8cf
8. 0x2ed97d970775f5307b9504a58675b0b7a73c178640552d96d7c25e283813af9a
9. 0xb3b688d41eeae98ee67ea8f6036a40b97fc52b8d4687fb60af33f8756cda213e
10. 0x5238edd5a08c1bc5752dd77f302201ff0f7fd6f911b0ef09cb516987c50e039d
11. 0xe1be3723ae03f14adc32be66c1139f2014c1e389d68e115176081519013f095c
12. 0xa0f4139b967c47b6212098ab1ef1fb116b8696e0af5b5baf4ab69823599f2c21
13. 0x26b79609af64282a7d0ea0b1ec7f8168c3787a6394324bea32524b967fbff0d3
14. 0x18ba0ecf9d097a18d969f015a4d29da864bf68db732c6ad7fa00156b764bd084
15. 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94