Evidence row 2719823

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/z9Ktgd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/93a5ee68-76d6-4fcd-8cd6-2c9179d64ff9/.well-known/agent-card.json"
    ]
  ],
  "name": "Kosontani",
  "owner_address": "0xeea78f25b9e321cbc50c5f2ebf257282079f3204",
  "raw": {
    "agent_id": "207735",
    "agent_uri": "https://centralcity.ai/a/z9Ktgd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kosontani 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/z9Ktgd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kosontani",
      "registrations": [
        {
          "agentId": 207735,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/93a5ee68-76d6-4fcd-8cd6-2c9179d64ff9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/z9Ktgd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793743851,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:12:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kosontani 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/z9Ktgd"
}

What the leaf hashes

{"body":"d64193d3167560751e805ba0add0b45ee59c262cd3f8f122b9cbe1eebaea27a1","id":2719823,"kind":"listing","method":"sync.erc8004/1","observed_us":1793743932056164,"prev":2719573,"subject":"erc8004:5042:207735","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. 0x420606aa8c58543d897b08edddc653e3d5b15b30b5a8ac6d472b508fd3869d6b
2. 0x56740b61d4db1e06419fe7acb6c56cf5deb6ab7fec03fdd5eaebc4dc871676fb
3. 0x12e77b235e342477c6d4f19adaa8149a04e35b53f2a944ffb36eb16c2a14e370
4. 0x0fd12feb0217e35728016e44abc6edfb726964f41d0117504ea5ab91a53f5d1a
5. 0x371f4461b0cf27fce80ba564ffa2f2b5badc65d23f26da9bd455358974dd8062
6. 0x7958d4c0a0a407c6b2b848daa1e7674d40fc195710127e6051539075537c9198
7. 0x0760d7e3838f1186d6520bb3c1d342f0d621c940365c36808ef145938df6c5ff
8. 0xb73ab39a830eaf036ae3824419245233cb25195ef1f582ce741471de48976b0d
9. 0x0dd3981d469b20ec531a50fa59df66d0d5e0e6adb8aeae00772f7fd6287dc267
10. 0x465d95fefe0f2020ac843c4a14af607e7b6e83348a3600923a35ef73fcb2e655
11. 0x914669306cc211196a495992a1a1066916ce7bcdf6f8b5f39235c10f436df645
12. 0x3e692194b9dd80558ecdd03d2ce10f169dcf449f24c7db4bb5eddfaf5dfa4954
13. 0x6389fe0a64a454c99943bd099b6d3c7b9164c03f7e0cbe464480d5168f9f5740
14. 0xb86edd36717aff076ef26c04db10a77f49a2dca8367fae52e69b19705922afab
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7