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Evidence row 3021123

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:256017
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
521da1b7e3561d74911731ee9c536c46aad35337e9c314140c62a6f27b885261
Leaf
0x6958eaa89e676f4e2be1d35c36456144551e02efee9c10c76af81a1ad06fe998

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rM5WDr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8dfe86ff-abd1-472a-9d34-262e4f1adda1/.well-known/agent-card.json"
    ]
  ],
  "name": "Maasisto",
  "owner_address": "0xee0542a941907767ff29e87860fbad046a33bb2c",
  "raw": {
    "agent_id": "256017",
    "agent_uri": "https://centralcity.ai/a/rM5WDr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maasisto 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/rM5WDr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maasisto",
      "registrations": [
        {
          "agentId": 256017,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8dfe86ff-abd1-472a-9d34-262e4f1adda1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rM5WDr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793805075,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:15:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maasisto 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/rM5WDr"
}

What the leaf hashes

{"body":"521da1b7e3561d74911731ee9c536c46aad35337e9c314140c62a6f27b885261","id":3021123,"kind":"listing","method":"sync.erc8004/1","observed_us":1793805342053472,"prev":null,"subject":"erc8004:5042:256017","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x6958e4518aaaeaf893a498d8bf5d20033b2a8401fb91479fcdb4565e29c5398d
  2. 0xdb83d08479154f4431cd3f22ac6b6baf87fdb644b981843d1e6201d50c08e4f3
  3. 0x4e065f63eafc9e30b07cfd28e417629a746e82d433182431f8f6693949ed25b6
  4. 0x1f3f7549e7096c2512a5aee96adc0ab6f6e7aea68d3bef75cc2cde06d3ae1ad9
  5. 0x27bf79ab47cbe53d32b8a8a20251711ad56893d2e88b97878adbad382cce06c0
  6. 0x3c7f8075dd69e2ebe2c98f0e7834d3a6047cec3381df83bfbb870b3e0b7254c4
  7. 0x353cce41ef46262d77b5f8b258d5bddc746d85fbb153e3fd2f0ddbe358002882
  8. 0x7844d33228e3d58478da93c11852ebcf6e5a2b440a65eb34b188d2ae79d90d13
  9. 0x38784a525aae9734a34bc2a478170bc120b830243bfe38b090152609464e92e3
  10. 0x13f305c1c112e42d9340d0764f7d9eca8764aa4bb33363a4878bc98d16151b40
  11. 0x40479b2d8010e9049613fcd934b08dade6b05e4eb7f72b9b6277ed92195740c2
  12. 0xaae3003511203cf085fdc7ca24566ee20bb7da8bb177af3ec7cbf72c7ccfc23a
  13. 0x216c4f7cb39735a92a679f53387ec2cc0b20dcad456dba44554a9756bca6b24b
  14. 0x3712db1cb5396683f3920f9feec808cf32004edf753d19ee1e3de6f3e846c055
  15. 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
  16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
  17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON