Evidence row 2707407

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ukzfVA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dc4a0a8f-1dce-4b07-bff8-c7cc52f7959e/.well-known/agent-card.json"
    ]
  ],
  "name": "Piona",
  "owner_address": "0xef53ea8a621a71b72541211657159e2680d954b1",
  "raw": {
    "agent_id": "201845",
    "agent_uri": "https://centralcity.ai/a/ukzfVA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piona 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/ukzfVA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piona",
      "registrations": [
        {
          "agentId": 201845,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dc4a0a8f-1dce-4b07-bff8-c7cc52f7959e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ukzfVA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793735991,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:03:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piona 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/ukzfVA"
}

What the leaf hashes

{"body":"483ec5c9aacc6f9eb21afc13d6b939d8ffb5d1e82c3d165a7c4ec550f028abba","id":2707407,"kind":"listing","method":"sync.erc8004/1","observed_us":1793736206994453,"prev":2707157,"subject":"erc8004:5042:201845","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. 0x011fb619af409cf04006bcb90d900f8eca2be2e6dceea2bbe845c93f5c8f3ee8
2. 0xe4f0b36f5a2a0c5441079cbb940f058999cace9cad18acb668a3b5e7184079b1
3. 0x20d0f94ef34255b4d6685884ed54b4a41f2d3280c85f08665c8c8e399af139a6
4. 0xee727ccc9f541e9099125b2858a3a30d39d8011847022a2cd497a9bbb005967f
5. 0xe6d57334abdfb7ca05e1228493b948ba9f61198fe9d25d4449606cacd860926e
6. 0xe3cb05671cf660fde9ec92af1957ca0fde77a79d80a7ee3fcd8469a3d880f4dc
7. 0x552cadeb931df55a7057d7cdd7b711ce296151c380ab321903a6063980fdcb2a
8. 0xa8968ef23759622432778fef51fc425481fe752addc23a9ea1222a5b38b6cc29
9. 0xc13d64e2697309a0b6ebecf1893a03dfbe057c40db90ba04bfdd037c1e88e421
10. 0xa72e591b488e3357e5ae87a315c4c5be9691534660dc023e21190f091449aa00
11. 0xbec4c79705eb14dbc2a86ccd0a75c58c3ab8a2805388638d4b3cab100e7e1403
12. 0x13e74bdf3b049091063dab59276305254368509776f52845ef5ecb1488d1b4c0
13. 0x50c3ccb9a988bdd7634544be1fbdd1b3bb920b22bba931f12522f80ed5cb4784
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7