Evidence row 3420193

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/oNoQL1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bc4497df-aff3-4980-9a53-02b57d00f70d/.well-known/agent-card.json"
    ]
  ],
  "name": "Tossero",
  "owner_address": "0x4babb3003e23695865fb1dae0d4d9a849af6fbd3",
  "raw": {
    "agent_id": "341608",
    "agent_uri": "https://centralcity.ai/a/oNoQL1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tossero 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/oNoQL1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tossero",
      "registrations": [
        {
          "agentId": 341608,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bc4497df-aff3-4980-9a53-02b57d00f70d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/oNoQL1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793891631,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:14:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tossero 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/oNoQL1"
}

What the leaf hashes

{"body":"ce39328c4cdc9302b7632115a2ad8ca5dcb47bbb4bc65c7e34983d310fa717b1","id":3420193,"kind":"listing","method":"sync.erc8004/1","observed_us":1793891667370352,"prev":3419894,"subject":"erc8004:5042:341608","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. 0xbd0a8d10e4924ec76dcf6cc0956b6533561aab5f0ef2e18619dbe0fc15467a0f
2. 0x6c80e4e0213df4495818ff388e43b372e0ccb2ca7a5423022cbd8b2d5893221b
3. 0x9709077729243a0adb52e8b183f9628fe2f09fca1955b1a66c151a748bbfd817
4. 0xbdb6d738288556da0e698155d571dbea5bac0e08f27da987abc711d8e2dc38ae
5. 0xd8389f087afb6ccf1c30a22d953068f1b887b12b9be754f3d242caaf4ea4aa29
6. 0xaafdbe333a5cb2bdfc04f2e4c7c739b395c53664820520613c73db5ce52e66e9
7. 0x19ca5e2b796db05dc12d6d398b9538488c8e5b1358bb2f6b2ad63d19f743d51f
8. 0x30408835e8ef1ec9ebc59ccc463d0383d84992ab78d1912efd1348ada8fc1369
9. 0xe35eefcc98b3b9c2c834f8979fc41ac331d11a1eec5244d1a4c778bbd2bccb60
10. 0x0b4f0b44bb31bb9ad572db404b51ab034b5370cb52359e007db58b303ad595a0
11. 0x6e2ba09bf65c0000a4f5f83453ad945ef326856d490cdddf92bbb4c764d85bed
12. 0x2b7a7c95de5a1d5957570464c2bc9554af3ac52b6250d483e5b60677e39aab32
13. 0x0094125755cf4d53859179bd3542321fe895e3ac40c3c2ffe5b2c3139ea38467
14. 0x876741791494e92b6f75db13043598085795215fa5ba6b39a6d004eb9c7632fa
15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94