Evidence row 2141897

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/F2twf8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/17011a52-6416-47cb-88cc-4b580e05f108/.well-known/agent-card.json"
    ]
  ],
  "name": "Pifino",
  "owner_address": "0xb13631bb5425aeaf3d929f41c7be16537dd402f6",
  "raw": {
    "agent_id": "97015",
    "agent_uri": "https://centralcity.ai/a/F2twf8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Pifino 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/F2twf8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Pifino",
      "registrations": [
        {
          "agentId": 97015,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/17011a52-6416-47cb-88cc-4b580e05f108/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/F2twf8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793624990,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:15:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Pifino 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/F2twf8"
}

What the leaf hashes

{"body":"0dbbbefd98c2a55d8bb8a732fee2c9189dd21eadcd5321dfe3b8c1b2a2e87cea","id":2141897,"kind":"listing","method":"sync.erc8004/1","observed_us":1793625308916208,"prev":2141188,"subject":"erc8004:5042:97015","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. 0xa881bf0080bf29ea7661d40615decb535165f2e6c0606f5c1e08779b0a48547e
2. 0xbf1ea16d2704ee8d406c52bbb9fcfde61afcb5442f6d2d9cd6fac5b0e561dfd2
3. 0x51095d3551521eb82fd0824b3b7116d62be45eabb556a66948e120e6f78774dc
4. 0xc179d1e353b6bfb9a23e63f7d869c111b575972e0a8ba408a16526d862fb2cfa
5. 0x1609797460d1bd3f647ce5285b46062b141a59ee0f66388cc8769c4cb6a07960
6. 0xcdfde5b1ecfc2311f3f5adeb5c337290c099fc1c1db45cb3bd1a5bace0645d76
7. 0xa36a674c874cb7e6b4b12efdba8a941b9355e23207d81bf76c876697706cef69
8. 0x90a49260ebbfcf9f3843c5a64cb1a1d426df96c4f66a4cd88758b807f3111350
9. 0xee80b2c23560ba1d00fec4c6e48ca0e42bf67cb27c3eb9d8382ac663e2feb155
10. 0x025f90a4ac610bb195520b6ec7cc71b34db4a835a8c1f2e22e530b354480cfca
11. 0xabaddc3d6a701f07a62ef798b40fe3ba319dc7441591486022f6e131f4383d96
12. 0xd092c4592746638c988be0201bef3aa0097a159b2bde204654e1174f70c7897c
13. 0xf7fc51348087e5c1e3d386772d38113ebc053fa2bb0a5e6728e5f86d0ac25db5
14. 0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af