addrbookFor publishers
← The evidence ledger

Evidence row 2604059

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:190977
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
bb1c0b76600816d4ff181e981b09adde990f7e6abeab056e3aec2e7b58c383e5
Leaf
0xdb5dc5d9c97107291829f28c264a0ade9d61a653d8156453c09a267fb426b1f3

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/d4roTs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f04f1a75-c822-4bc4-896e-ad23c02b912b/.well-known/agent-card.json"
    ]
  ],
  "name": "Hubeon",
  "owner_address": "0x98d169b003be6bee07d2d5d9ae8a0965b45a831b",
  "raw": {
    "agent_id": "190977",
    "agent_uri": "https://centralcity.ai/a/d4roTs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hubeon 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/d4roTs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hubeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f04f1a75-c822-4bc4-896e-ad23c02b912b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/d4roTs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:26:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hubeon 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/d4roTs"
}

What the leaf hashes

{"body":"bb1c0b76600816d4ff181e981b09adde990f7e6abeab056e3aec2e7b58c383e5","id":2604059,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719595333849,"prev":null,"subject":"erc8004:5042:190977","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. 0xdb5dcb011d3228ca9f1fcbd914d05014ed9827f2bde9477fc4bc79426045580c
  2. 0x6d1be6e173e4d96591c227abbed9634a83f849133f052d8e6af62babc30c025d
  3. 0xdbed236b7bf91ec5539f1e59a38ac39e13b948ffc5d061904412abd87194c111
  4. 0x4aa93145fc03ed886ca8aea676a8ae6263a122b7c25d2db86ad83cfc605d1f95
  5. 0x7fe77c49cfc9e5de69b1d221119b06383029b74188d8af72a9a7e051ab1d17e8
  6. 0xcce7e2435c6681ca3279875183a27e754a8d397b7f73a2175a005a3216075eb7
  7. 0x13284fe5792d2e67ddd4d628539e10bd14b5d75f14e626297a19daa1ffd62dee
  8. 0xf9bd820e1feaa360fe97f5e932713f4b0722f91faa3db02e95300fa1e5356ea6
  9. 0x2284ce52eb6d85a72553536ad1db42fafd0dcac98b10e3fa567d4ac704606a36
  10. 0xc3c349920a38afdc405cf25eb90091eafde5d7d6e329bc485333e43fce9a4399
  11. 0xe2ded44989d30171525c9d9c3c2945e86ae323306f4b04055b39b8134433497b
  12. 0x50c000dc4c49c64976d0fb6188c7b4b0b1786be9035d28f75ca46e820eaa947b
  13. 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
  14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON