Evidence row 2578091

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/c0eCNy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e03750a3-c88e-4f3c-a129-a874b192ae7b/.well-known/agent-card.json"
    ]
  ],
  "name": "Tandeon",
  "owner_address": "0x13c48b95ac11a83016b8d44faf458e858843b3bf",
  "raw": {
    "agent_id": "181916",
    "agent_uri": "https://centralcity.ai/a/c0eCNy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tandeon 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/c0eCNy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tandeon",
      "registrations": [
        {
          "agentId": 181916,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e03750a3-c88e-4f3c-a129-a874b192ae7b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/c0eCNy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708323,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:20:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tandeon 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/c0eCNy"
}

What the leaf hashes

{"body":"7a31c01f17d95ef811bcca269d6b311358454d8b02a44589540fedee5efc207c","id":2578091,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708414816298,"prev":null,"subject":"erc8004:5042:181916","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x1ed973a51d46dbb732681337da356437aaf7b4dbac57962088d6865556647567
2. 0xc18c62b5556acf329512de75c2a3a051ecf64b4e0f061cd526846ad76c233462
3. 0x6ae41f67c9a24edcc067491ccabb65ad889bb10fe577d9ea25754772e06075c9
4. 0xf5504dcb88ad46ce0d8b62ab002149fbfa528d8191cc8fa181ec96e18e20a0cc
5. 0x165f443763b321586b94b4c83ea61e69f9bfa1a86772619dfcc45101c1fce31f
6. 0x7ea2adc73babe0c420b60b1e5103e1075be1e48cd30929f700f963a7c0d14f38
7. 0x324ebbb3d9434a2438ab195dab8050a3a8eeb8e7baeef6a0fa75c16208db0306
8. 0x84e61f80588ccb692b93c72fc79496c24018e8a4521c6566cce75faf2f3c69a3
9. 0x7600b62285b20511f5580c73c2f3c54129ba40469b6c3485bbbceae983a02577
10. 0x908b2deaad3bb1379429260f4d5163d9874bca512caa64c816625b8d53225ffb
11. 0xbbac0627a9e9056071fe1c06fbb76cd0cf5f4d230196fa31639eca85fecf4cbf
12. 0xfb5073a06de63ee5241aed1dc0014e42833b5a8dff4bc279cc984332d7c8f40c
13. 0x6e86e82cdce44ed1e6f3cb733b0697b7f61258b10df0cb5522eff763f46425bd
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7