Evidence row 2621331

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yZnXIe"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c8b1692f-6d08-4905-b9c4-d2311fa9fe67/.well-known/agent-card.json"
    ]
  ],
  "name": "Siampisto",
  "owner_address": "0xe759c7f4d482e1b9a690199fdaa7294365a9c47d",
  "raw": {
    "agent_id": "198378",
    "agent_uri": "https://centralcity.ai/a/yZnXIe",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Siampisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/yZnXIe",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Siampisto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c8b1692f-6d08-4905-b9c4-d2311fa9fe67/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yZnXIe",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:08:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Siampisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/yZnXIe"
}

What the leaf hashes

{"body":"b15c2e141edf30b0946ef6044f986a09b6d041187b8f6d1b4b25e23b6ad945f7","id":2621331,"kind":"listing","method":"sync.erc8004/1","observed_us":1793729311058639,"prev":null,"subject":"erc8004:5042:198378","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. 0x4a4896aebb76fc9ebb02bcef843d48f59b6c3c3fe424f7434a6a616b97839cfc
2. 0xf49c094edcea4b46e7b5ad19078596eb1c4eac06f27bd04f01bca33e83338fed
3. 0x70fece1f1e3468b955ad671a3efac3fac2e5a123fec8c58e4de4137ccc4ec945
4. 0xb44423fb8f0b4d8699fd6d77cc438c78c0d6f64ddab4477c6806f6e720c4b66e
5. 0x9e37490cfd8e75ead4e593302c9b41554365e128cf1a9f824e6ff6caf3a9ba59
6. 0x2166ac6e183a2b18e2d21629e34a8ecda93686fb7a23632da1e1608c1c8a9703
7. 0x53d3b2d84adc1546d140b409ad0a4a84a1d5ea131a3532236cf326507c740842
8. 0x0641fdb5bdbfc38f54aa71606368f8c46552cc1eacd017c716b87d193f1346d1
9. 0x2a242421bcf918ad4e6d0422666aff7c06e5c46366072ba864147140b9fcec4e
10. 0xae4df9f8a51c1c22b8328b2fbdfd1e6929e2c78993bcff575df481f8458cedb5
11. 0x4fee6b6035cffd8074620180946b470ad0c6a3b75224fab2ba16f28b4708b99b
12. 0xe78bd9e7fcf86c5ca6ffa6b48e71fb238078dfe3bd58a35e0f7e2b1b1cfedccd
13. 0x25e7c6e3ae958d725091b9780092a534731cdfe4819dd1ffe52af56311601eb8
14. 0x5e9968227987a7f0940fee03a33017f5e7157de7f0889921817733c1ab8871d1
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7