Evidence row 2558714

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/amS8PT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/415c75e5-9cb2-4774-84a1-b142e0c32713/.well-known/agent-card.json"
    ]
  ],
  "name": "Tanton",
  "owner_address": "0xfffc4b80bbfdb34ca02af94125f5e47b1c0daab2",
  "raw": {
    "agent_id": "172518",
    "agent_uri": "https://centralcity.ai/a/amS8PT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tanton 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/amS8PT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tanton",
      "registrations": [
        {
          "agentId": 172518,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/415c75e5-9cb2-4774-84a1-b142e0c32713/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/amS8PT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793697591,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:20:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tanton 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/amS8PT"
}

What the leaf hashes

{"body":"623013c5a277e75f4a47c10a7294d15df9f9f6dfbefed0ac43c13455d0949fc5","id":2558714,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697609084855,"prev":2558314,"subject":"erc8004:5042:172518","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. 0x275f9627efbe2756adda9749c0358457b1072ad017a3572e674cbbce28ba32c4
2. 0xefcad77aaac79adceb336d166f75f8c48d1cf94dbd69fdedb66439fd7e25ee6a
3. 0xfd00b253e06a9868e2e70c8b00adf0634ac7bcd1e5b45c503bfd792353512c2f
4. 0x7e7ddf809dc45cec0d4d778b5238cd1cdc855eadcd839ac8ec941873efd34150
5. 0x064923c68a84a0e1a7c619296098da1431d0572fe06367f2089865e59df0d829
6. 0x643046ede31aa4570d7592d1bfff186e3ce8bd3073e1d640097c72b4946f3fbc
7. 0xbc1024a20ddb069458e789d943a02d0c17e2948ee619752af0e2f859875114e8
8. 0x41b3c61020678db4afd8ed2a23970e2785def3b3d379466e56dcffd8fe6a433d
9. 0xf098018cbc19551cf0bc2d5e792617bab527de50855859f3787632f7985e2487
10. 0x6bd06cec313b2bc29348aa567b9038f6b0dfb34e07b8e470b178b29258a524ce
11. 0xea0261a568207bca1246537bbb9feb4a61ef816b61f240387da4429c29d4a807
12. 0x404f5095cb117dbc273dab4f53a49ed8d1a48be81b69879f7d00d7e85e406ef1
13. 0xef1dfe0416b9867c5e84356ce47af8e533ec4133742db5d772c747b8eb9de6cf
14. 0x2eb509fa1adfd792931a660ef16ddc125428dd5ab3b79bbec78835e1899fa304
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7