addrbookFor publishers
← The evidence ledger

Evidence row 2516412

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:155212
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
05785ecfeed10e173eccb14ced186d98e0b1bee4702f9893c493c7b1c9e29777
Leaf
0xdb61576ba2aaa2f9367735a6d8603cab8fb5e32fe0c3d55f0e6f20fbda5805a5

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/jA2pCt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9e9ca606-ce04-4c46-aa20-60d4ee05b598/.well-known/agent-card.json"
    ]
  ],
  "name": "Hantan",
  "owner_address": "0x328bb12bdac27a7fe6b50c5c7a3093e48d21a788",
  "raw": {
    "agent_id": "155212",
    "agent_uri": "https://centralcity.ai/a/jA2pCt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hantan 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/jA2pCt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hantan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9e9ca606-ce04-4c46-aa20-60d4ee05b598/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/jA2pCt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:39:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hantan 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/jA2pCt"
}

What the leaf hashes

{"body":"05785ecfeed10e173eccb14ced186d98e0b1bee4702f9893c493c7b1c9e29777","id":2516412,"kind":"listing","method":"sync.erc8004/1","observed_us":1793677152914882,"prev":null,"subject":"erc8004:5042:155212","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. 0xdb616d878c0204846298dc59350ef04f05b5cbe02b8c771b8fee7688cc794b63
  2. 0xa25876ac7846bb48e421bcccfa3469380320b5dc573e445891e94c477411e23d
  3. 0xbf897dda5e4921406fde23a1529d45ba90ea092c2f9b15e4250cf8afce194148
  4. 0xbcd57f2889eed3346a0a0e1269641b1ad2df7c7e56508df10d0294ef490bf2bc
  5. 0x8bd5772034d88a390484ae3401557e43aa637417c485d48f6f1634f0382fcfbc
  6. 0x23b87a156080258f5205814bbb9cb9dd3072422f79e525645b4bfe2adc304119
  7. 0x23de459ec90e3925f41ef6b02f38ff5e8882e01317def6d16f2b99983fdf3263
  8. 0xee1bc11de0029287500719e172a5067cfc49aef45e5047fea4baa17518cd36e6
  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