Evidence row 2280996

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HMH2AR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f23b7810-e810-472b-a258-34fbbe6d22f9/.well-known/agent-card.json"
    ]
  ],
  "name": "Tostano",
  "owner_address": "0x5a0873c1e7e5db851f2d20ad4915380346dec9ff",
  "raw": {
    "agent_id": "133577",
    "agent_uri": "https://centralcity.ai/a/HMH2AR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tostano 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/HMH2AR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tostano",
      "registrations": [
        {
          "agentId": 133577,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f23b7810-e810-472b-a258-34fbbe6d22f9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HMH2AR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793653962,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:17:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tostano 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/HMH2AR"
}

What the leaf hashes

{"body":"117f600627328719328b7c0947b23ce460eb063033bc16fd99dbe32bda45e576","id":2280996,"kind":"listing","method":"sync.erc8004/1","observed_us":1793654231144152,"prev":null,"subject":"erc8004:5042:133577","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x971f8a0b7b88faa366d41610d0780af345040b0d7dfd20e4d0797f43047c4b9c
2. 0xac79a55b4e6b2b81209f0aa41543298dd0819b53ca0405dbf09d684ffed7032a
3. 0x0014bf2e98c9984a1f10ef1d571ede6927bd5fd4ce47fc0cc17cc0c9566f7897
4. 0x8c9fa1c12e9fb92eeda68744c60bd9ed421f01a3fec0fa04df85c20fc0c921f9
5. 0xcace2d4f523e4ccb6b36350d5c5bd1b6f2ce9a7da7be4b6d97e5fc7448a9fe27
6. 0xfa5b6abc69fec620db4bfc8c3d13f1dc7bfe2d93d39227186b1b9922b5bd75f8
7. 0xf1b957890be11ccfbb2611fc5818b87359344ac0802c019e4a220ded307d8b13
8. 0x530863ece05ab4f475537ec0fbf8fbded138dc43249545be03c3ef945c17ed77
9. 0x267635cd2a9270dece001d91dbe74a2120b5d1eed5040f45fc3a213eea94fd5f
10. 0xf89e4cf087ad9c407b2c65f8a81efac40c8ae8a21926f158fbc2da49496af5c3
11. 0x18e18146b794a547787f440de5f842f863e60e7023c6b4a04def7ef4e5fefc6e
12. 0xb4746c9c6a01a5463121fb30690562293e068b5358ab464ea070f4414595db5f
13. 0x161ab8dfe29d5443837514b3760b34879b8201d43912571c314e4142639b07a3
14. 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af