addrbookFor publishers
← The evidence ledger

Evidence row 2727022

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:211033
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e98a0e238ccd71676b5a410c416de2d918f7001c3d1dad62f731e6770a87eee3
Leaf
0x12ff1c096bf5e8c651d189797d29b1f6736d495ce0d4f33ccd3023ae0a77f693

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/L41k96"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b85c75f2-402f-4db6-8f22-5ef84e080f15/.well-known/agent-card.json"
    ]
  ],
  "name": "Havito",
  "owner_address": "0xa0d082f59f8b07ac2449c293780da570e12f80da",
  "raw": {
    "agent_id": "211033",
    "agent_uri": "https://centralcity.ai/a/L41k96",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havito 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/L41k96",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havito",
      "registrations": [
        {
          "agentId": 211033,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b85c75f2-402f-4db6-8f22-5ef84e080f15/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/L41k96",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793747850,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:19:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havito 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/L41k96"
}

What the leaf hashes

{"body":"e98a0e238ccd71676b5a410c416de2d918f7001c3d1dad62f731e6770a87eee3","id":2727022,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747996128251,"prev":null,"subject":"erc8004:5042:211033","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x12ff23defa8fc907be29f1b7c1dcf3f21b3f699fb1fda83abae413a40f2094bc
  2. 0x7fd65714433e692d47dfd85431db75c39d2c82eb224e64815ae67120eb756eab
  3. 0x230ca88817ed54dabaef6a7e15299a588522efe0e39aef371dc4d39307b7d45a
  4. 0xe7c884382e97d2d6a58e2fbcac092bd24ca3bc543ede3e1c404bbf9f6cbfdd57
  5. 0x71b12251ad635fc83445156491acc0719cdc561896856b5a8c8f80c91ae368fc
  6. 0xd5d4aa905f1d9179fdff0c8974cd7f624fe669cf7d8d293ce9dfc5e9360bac8c
  7. 0xce7307d62b6c6cc77bfb28c3f84420d6825e79dfb86cb496625f45cd9eed67ab
  8. 0x7989f65472875c2883d4c7fd626049efb35d91bfede364d48eb2594a6d94ac75
  9. 0x50cf483520451d34fac5cf1c690160246244674d232a29f46ed22847e0c5290d
  10. 0x79f5e0633aedfa55cd5ebbf37da60710dc230ec5d6a1724edb65770b79a27eb5
  11. 0xebcca7be3d8e28ad0fe4f0a6e4cfb52140075d690f37e1a64197336854b679bd
  12. 0xd68ef24e52094c530a6c2836ddad853e7be70fe51b4f455d659096a1f808657f
  13. 0x85cace83986c94d601e82be51de5f4403bcf0442ce39d75a11610de56c90caae
  14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
  15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON