addrbookFor publishers
← The evidence ledger

Evidence row 1846406

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:38681
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d5e1e9b169ed0a28f7e090642e4d8fca6af23eb822dee6657431ac31ad3d87cb
Leaf
0x73a1332d3b4a8330059092c076ee9187181b8eb26ba5358a9a261f15687aa8b0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/u1PDQC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/995fb50f-9901-4bd6-b28b-7f531141a6fa/.well-known/agent-card.json"
    ]
  ],
  "name": "Markoma",
  "owner_address": "0x6163c7edea1e6bbd91f6bead220f34265d6e9f41",
  "raw": {
    "agent_id": "38681",
    "agent_uri": "https://centralcity.ai/a/u1PDQC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Markoma 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/u1PDQC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Markoma",
      "registrations": [
        {
          "agentId": 38681,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/995fb50f-9901-4bd6-b28b-7f531141a6fa/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/u1PDQC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793576213,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:37:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Markoma 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/u1PDQC"
}

What the leaf hashes

{"body":"d5e1e9b169ed0a28f7e090642e4d8fca6af23eb822dee6657431ac31ad3d87cb","id":1846406,"kind":"listing","method":"sync.erc8004/1","observed_us":1793576250315259,"prev":null,"subject":"erc8004:5042:38681","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x73a1690e99990920c96c8d39161a92898c7219a5f5b5d55fc6515b96f2dba8a6
  2. 0x32ad98e25fb6d0dfea5726c1f1762c990d9fba58ea35c1c2f21980d71e483063
  3. 0xc269d9317e2ee31fabfc4c1c5afc2a45c1998532bab1cb445ae03cfe7946a059
  4. 0x87004ff0b0c719aba7a10bc4da4f712431a295f3067f8d3eb01665cbc3204fb2
  5. 0xca16e633965558268ac44715212096e57a7bb63835f150892ab4d0cb703111f2
  6. 0xf086311adf2fe581b4a2512f75df512c960a5bce4193917c37dc9939931b630e
  7. 0x9c81f15be01f6a84bf947478f5425c660c15a53209485d39e603ce8269b283ef
  8. 0x73e200aa5ddb49704b666c05dcc3ca9efb59ae31ebfe746f89b8185c4c833482
  9. 0x3db00efad68d9870e72f2be445516b5d6383bdfd35bf4f19a21dcf1eedcb7442
  10. 0xbd5a22f00e48e3b8ff6d51dcbee92fa2c13ba47ea6d8a7ae86aee043a7b2a707
  11. 0xbd434dde6c15bb6ddce848ee8501d0740518a6e9c9f286ff5b7fbacd38566805
  12. 0x9225199f9f9007724cfab30f8252870de214e3fa4464c9b48797718fda302667
  13. 0xeed7e951b5e4701a6d9e1ccb44369bdaeb14efaf3655042a73f8487da4230bf1
  14. 0x3c3408392402b125bd2c2cfb11c655ba3e5ef4f456caee26d4ee38a093e93c53
  15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
  16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
  17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON