addrbookFor publishers
← The evidence ledger

Evidence row 3390194

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:326576
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d50c19b8af5232b252119ee1e3e1c69b17d2da1d25b175a16a3883da0b6c26a5
Leaf
0x78c28a90253f67845a328d238a07216d535c246ea1c89f0aa148798fce7cab04

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CaScja"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fb0154e3-c44c-4fe0-a755-8c5280a6915e/.well-known/agent-card.json"
    ]
  ],
  "name": "Kaumero",
  "owner_address": "0x99bbf64e9265f251182e23783472973fa1d7b2d4",
  "raw": {
    "agent_id": "326576",
    "agent_uri": "https://centralcity.ai/a/CaScja",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kaumero 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/CaScja",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kaumero",
      "registrations": [
        {
          "agentId": 326576,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fb0154e3-c44c-4fe0-a755-8c5280a6915e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CaScja",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793879388,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T11:50:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kaumero 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/CaScja"
}

What the leaf hashes

{"body":"d50c19b8af5232b252119ee1e3e1c69b17d2da1d25b175a16a3883da0b6c26a5","id":3390194,"kind":"listing","method":"sync.erc8004/1","observed_us":1793879442464226,"prev":null,"subject":"erc8004:5042:326576","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0x78c2bd8d7a034fed06274f6b1a4bf04ffabddcf4c9a24fd8d3b48553cc62e20f
  2. 0xf324e7711a3404752040e1b30e3279c1a11e5b60aa03780031109b076d1be3d7
  3. 0x9f89e14b169ba73bb049c9e171291b0534679284d174595fe6c07a559dc49970
  4. 0x5399c4b3e82c21ae87330ef2f244754813073045481ae85699b7363f058d2ba4
  5. 0xd770dc52c5ab82e6e09c1ff1b4e1c43ab55c2bf14e5781489fc915456b691086
  6. 0x2489d6b4a8197e38772b5c36932badb64d7affe57cb521b2e6260ccc42f9552f
  7. 0x43ec6d9e46662f2c8d4bc76e27964054f167bfb7e20149f16febe3dc41538d4e
  8. 0xf02dd3bd4011fcf286c6f231e17e799c69bbe45b7345dd2cb291ae3d8757b765
  9. 0x6dab5f9e6284611ed96f0d11ea6a300c7b74ef4e6dd295b162091111af8cc265
  10. 0x480093859f66bded4ef5c95027de3309032f23d993d8e66025800f6a44672d53
  11. 0xae06eec16376351b09810c0f6d5dfd6ef22bdaa3186a7de0c6ff224dd0d19318
  12. 0x82988d18f5f06970abd05abb978b6c0efd7c62a2e81bc1cf19c3685f990e1d7e
  13. 0x341a6f3fa17c526258f57b49c6ef122c8bdb0b7fba61add27ce3ed82362b8281
  14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
  15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
  16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
  17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON