addrbookFor publishers
← The evidence ledger

Evidence row 1777697

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:12758
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7de1511bb27f065f25cf5a5b1efa2e5f6f7029ec3e75d76f89a3d3eb759a93f6
Leaf
0xf1a310a7b90971f3539f61228e1f1c6f853bd817abc55f6a9a5c178bf04ca0d2

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BC4Qyh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9ce8db57-3133-467b-8a00-503f29e67f90/.well-known/agent-card.json"
    ]
  ],
  "name": "Haulla",
  "owner_address": "0x01a969e2c55d3d3b0a529ae3b51ebee6339b5665",
  "raw": {
    "agent_id": "12758",
    "agent_uri": "https://centralcity.ai/a/BC4Qyh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haulla 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/BC4Qyh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haulla",
      "registrations": [
        {
          "agentId": 12758,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9ce8db57-3133-467b-8a00-503f29e67f90/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BC4Qyh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793552943,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:11:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haulla 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/BC4Qyh"
}

What the leaf hashes

{"body":"7de1511bb27f065f25cf5a5b1efa2e5f6f7029ec3e75d76f89a3d3eb759a93f6","id":1777697,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553061233559,"prev":null,"subject":"erc8004:5042:12758","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. 0xf1a2d7e5907f731505c2b580fe462b21b7a00b68e4d115b549bb8ae7328b41f2
  2. 0x6821c5ea704356b29aede8a0fbe7ba37fb8cf5dd9ae8435a848806480e4c0d51
  3. 0x261e24671f2c59d4a323b7c9d24060cecbad201ffc9873b532841e4fc18e5f74
  4. 0x51497101740aa27ee591eae0bc007bc45a45f11d1d7202f3a9469f9331098558
  5. 0x6944dc0d24ba2983a6b04da773146d69235a24d3e3ff99b1f9b87dbf2c09db70
  6. 0x255e7f25ad7fcbcdf0898a1c030db931d7d7f60ebf8d85d3777d04e863bcb139
  7. 0x1609a68bf095c9ca60c832b6067989fb7bf1340f5504c81419fc0fda862e3b7c
  8. 0x9a286512723eae20ac71f78ca2287a78b0c1feeacf37913560f68450e2645ab6
  9. 0x4b148b0db4eecaf1e06872df73f79bafa7c62fe8b5549420e027891676b92ccd
  10. 0x69c0da46f1d8b4f2913994700fc250efccc21b48c70c40cf5ca33290bd8b2fb2
  11. 0x3e5c66e12ca0c8224a6fdfb084b57ae24495cee7220fce200872a754fa7396c5
  12. 0xfabfed61214d0494bc31e7bcb9622588beced8f56b9188ad495b57356f7cf301
  13. 0xe90b78263bda6cf595e6506f00151a77021430873ffa310d8a01f67d8991ca3d
  14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
  15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
  16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
  17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON