Evidence row 2519188

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5x1v62"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a1680504-a877-49f3-82d5-f72ebfe69d4a/.well-known/agent-card.json"
    ]
  ],
  "name": "Havjo",
  "owner_address": "0x60d25ddd470d5c9c516f2f9eceb4cc13ba521213",
  "raw": {
    "agent_id": "156071",
    "agent_uri": "https://centralcity.ai/a/5x1v62",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havjo 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/5x1v62",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havjo",
      "registrations": [
        {
          "agentId": 156071,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a1680504-a877-49f3-82d5-f72ebfe69d4a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5x1v62",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793678391,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:02:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havjo 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/5x1v62"
}

What the leaf hashes

{"body":"173a6e1b970f6a3cf980b15247145bd1dd233548470f1118ed29661ddc089656","id":2519188,"kind":"listing","method":"sync.erc8004/1","observed_us":1793678539514085,"prev":2518647,"subject":"erc8004:5042:156071","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. 0x25c87056cbc970265ee824345cf5f29e2ea2d9c17578a796142a31d435093d92
2. 0xc96681ec438530ca2ac925ebd8a5f5ec147854732f22cac71df5450003b707c8
3. 0x3278b00cc428390f60285c687bccf3351d827dd60dd75ed488157d77ec7e8e43
4. 0x5154221dab5860332624498f85c2a6ab04c771dc79789faf4dd3c00311106891
5. 0xd07cedd5e6f106dfa273dfcb5a1d7723bfa0a1ad6322726332d1985b579a5cac
6. 0xbe3c83f8285fa002725f3f6989c8c9363cc43d8151cca5abf46865b0100d3ee1
7. 0x428c1dbcdbc12777a162448705740142aafdb3737d044f918df6ea61774fed5e
8. 0xc1b9ee44607a053f4ca8fd021f1b471753f2a42bb425da270f9e70fca6e4112d
9. 0x718870acb1b295da67cd18fccbe45707ff9b883b8a410c1fb6000c28da7c70f2
10. 0x7f07ce87399c3db981a5e6c5f0f6e556796af3e4706fea8f6bad677cdfe58dcf
11. 0xfcb638143582760e164b64bf0b7b925f549fca3a9a3a62a8f900efc20a9fbd21
12. 0x9f925f35f54eccc58ad31923af1559c9621feb3817744c1a1ec2f5ddaa8bfbc3
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