Evidence row 2087892

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uz0It9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/436d5939-bc17-48f7-b0c7-72adce1ab912/.well-known/agent-card.json"
    ]
  ],
  "name": "Tampero",
  "owner_address": "0x3ca287358f009ed374c6e9f53d2f1258ef8e9567",
  "raw": {
    "agent_id": "75207",
    "agent_uri": "https://centralcity.ai/a/uz0It9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tampero 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/uz0It9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tampero",
      "registrations": [
        {
          "agentId": 75207,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/436d5939-bc17-48f7-b0c7-72adce1ab912/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uz0It9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793605913,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T07:57:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tampero 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/uz0It9"
}

What the leaf hashes

{"body":"667b6c9e63d5ac4220ea697e27bcfe4050305fc85a7bd7022da273e0175a2967","id":2087892,"kind":"listing","method":"sync.erc8004/1","observed_us":1793606221043357,"prev":2087396,"subject":"erc8004:5042:75207","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. 0xb36a0aed3b312ba4ea08d16688b65569d4a28282b657a8b6b5be2d6949631c27
2. 0xcaf5bb02aa3df2641485d43372531e586eff61d532fefe9d060f9be23ef64049
3. 0x99a9767679cece0938da459f6b87527d05f45dc5b995e8abc8c37c32da1fe125
4. 0xd4da4ae54176e7d0eeff092e4bc7e3a17973c03e814accd74d99e1df58b6a5eb
5. 0x659e2f3d324770f2c0846ea6f725dd8cf4c8282f55108a8fedf611b1ee7fad31
6. 0xb9ab5059afa335854ac065a032353ec8a81f29dbd46015eba75a4f76b1c8b8f2
7. 0x58d41f1b11e852287eb528de1047b41f4253b4a3060bf3ab5b10468810138945
8. 0xdec2c78bdd3f28278f90e4e1b90e50de1892b8f46423e740422cdfc46cb21877
9. 0xff2cc79ac8141d8626b7b422dfa1916b7a845c47f5efcdc15f869ca2464394a7
10. 0xc4531115743e10cfe807708de1a9d8844c7aff5ae2867969f9b826235e272b0c
11. 0x3d936bbe0e752d535f9e93fbd9c9a8e9f48bd07731621d6903f9ddc4201a8ee0
12. 0x21e290c87b8dfbee1c890c9b97a09ed0f5503884eaeabff86472db1c091c14cd
13. 0x8f3b097427a1bfae26e9231cb5b00552011a27ad93aa4c0d3e267190fcbbb962
14. 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af