addrbookFor publishers
← The evidence ledger

Evidence row 2550099

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:168190
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b4ee06f7b43429742b5635a468bbd669e7154a58645c38d52acaee56bd98d9d3
Leaf
0x0f7af552e76b3f556101d39661b47a0830dcb7e6153dc11f9df945262c55dbf6

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UAp8cD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/81dcb51c-0140-4a7b-88d3-2cdb9aedb7e2/.well-known/agent-card.json"
    ]
  ],
  "name": "Polo",
  "owner_address": "0xa3b6796a6bed9b74f4e4421a90711da7b1f3b94b",
  "raw": {
    "agent_id": "168190",
    "agent_uri": "https://centralcity.ai/a/UAp8cD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Polo 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/UAp8cD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Polo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/81dcb51c-0140-4a7b-88d3-2cdb9aedb7e2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UAp8cD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:49:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Polo 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/UAp8cD"
}

What the leaf hashes

{"body":"b4ee06f7b43429742b5635a468bbd669e7154a58645c38d52acaee56bd98d9d3","id":2550099,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692187548753,"prev":null,"subject":"erc8004:5042:168190","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. 0x0f7adf23c4f23ec8a3f60ace6e91fcc9e8b338a15df29ff781c1f45e571749d2
  2. 0x21b86f9ee0a39a75e56a8fadb75886251110bbe9aa513523293fbaea22cf97a3
  3. 0x06d8623438bc7354f5041f0135d8ba09d7e6a772c5e6880cfad8a56493e9f493
  4. 0x4d750537c8334fe96adc4f9c5dea68110d51f485521298618e47e8a085d2a53d
  5. 0x17adc87eabe36064abce0256664aa6f236e323eb86d9d735d04ac85035a4ad9c
  6. 0xa2e722a4bf9f0e53c4580cefeeb8641a50975ceb0467b424bf5577ac14e47adf
  7. 0x753c885b8e2c2a0b1921b29c95b1b98a00cfe138eeff8d3e07bac0362a35ffcd
  8. 0x8304ab6e98b00c70120927b2720cd1c9cd9f25bcc9e71b9fee3a5f3f0f39c249
  9. 0x3de55622dcadfebf3c01106ac35ec6907f8697e11cba0da1dd747c5d6daadd5b
  10. 0xb04357039d24929607b0c8135c19c8a224b1df7628e5adf77825540a8ed8c99c
  11. 0xd534cb62baa0ff8d1e3f701c4fca8a2e6a62b12549b01f714dd00ee4e0506370
  12. 0x7212ddc91a5ff20fa5956deec085d0e003e679476dfc3969a04ed170c494b3b9
  13. 0xbd3788e71f07bf672e2215ded21f6568d06e4900d4c0672cfe6d60c10021c48f
  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