Evidence row 1840940

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/krTtM9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/830ad4ec-409e-4286-975f-8fe2ec75f7b0/.well-known/agent-card.json"
    ]
  ],
  "name": "Lantan",
  "owner_address": "0x5525a254469c7f41b9a9e932200a4b28dcc4736f",
  "raw": {
    "agent_id": "35230",
    "agent_uri": "https://centralcity.ai/a/krTtM9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lantan 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/krTtM9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lantan",
      "registrations": [
        {
          "agentId": 35230,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/830ad4ec-409e-4286-975f-8fe2ec75f7b0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/krTtM9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793573497,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:57:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lantan 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/krTtM9"
}

What the leaf hashes

{"body":"b0958004b7941a0e2ad72469613e87c95598bf9e3808c3b147a2c2fc158db480","id":1840940,"kind":"listing","method":"sync.erc8004/1","observed_us":1793573853290851,"prev":1840698,"subject":"erc8004:5042:35230","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xa2cf3e5127617e0008488fd0ecf408e018280f05091d336be4009d3c56e067c3
2. 0x8eb476269d0adac6caeeabf58d72de8f0cbf1ca110ba17d33f55bc4064999c47
3. 0x30edc37a5c39906c4dc1638a26610445e5e6f7b442674e5bd40aa4174d570174
4. 0xc0177c50b7f942fa0d97a4e355323aedc3e4038f9be1706bcdfc5a177816d45f
5. 0xe45eebcd8ad56c81e0db5eeb50a3ea264549d37a333fbda8ad51e14321b1e3b8
6. 0x11918e8828e15dbe3dbd14c3d09c3a2c16a5ad86124562244e26aece5b3739cd
7. 0x97df365bd876ddf5bb7a2910d66a9fbe884e6b8532f703c1d47bbfb13012f883
8. 0xf8be606bebbed8eb343c07bbe7e1b4db23589746c37e1de42fc74b0085b87d6e
9. 0x9bf12b92d403fdeaf56deb2fe77c00276259ea17a3ca6ab5adabd48737e3f5e8
10. 0xd18e65e5eef61d17ceccb44b6441106857b9c651d34f34768cf28d6c3283f487
11. 0x5c3b2e69706afe9e3e145c1d73e0496d82fedaf71e01a886bc0762625be55c1f
12. 0x6b5205bedd7166a29c65accd94d8712bda0788871f706deedb0153b03d169d1b
13. 0x83027c0ec1e982e02eb36b0853f91c562f016c08ec6b3d360763c1a90f4a9cea
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90