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Evidence row 3748773

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:403780
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
38ee79d79d1f8d8ebbeacfd85dedcb22e0378ca2658d1559e7150a4b9626e722
Leaf
0x09027ebb8bf47a1e9d45918aa76779d6aa017aef7bd3f948aa352a5474bb6d3f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/atNazt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b490e650-2a96-47dd-9306-a5452eb44055/.well-known/agent-card.json"
    ]
  ],
  "name": "Maasino",
  "owner_address": "0xd2da89a680574293170cace9ca2e1d8d1d5d3289",
  "raw": {
    "agent_id": "403780",
    "agent_uri": "https://centralcity.ai/a/atNazt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maasino 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/atNazt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maasino",
      "registrations": [
        {
          "agentId": 403780,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b490e650-2a96-47dd-9306-a5452eb44055/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/atNazt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793981625,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T16:15:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maasino 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/atNazt"
}

What the leaf hashes

{"body":"38ee79d79d1f8d8ebbeacfd85dedcb22e0378ca2658d1559e7150a4b9626e722","id":3748773,"kind":"listing","method":"sync.erc8004/1","observed_us":1793981713369599,"prev":null,"subject":"erc8004:5042:403780","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0x09029eb1313709694792de3dbe0fec1fe960389da024195b7b57b24077d5b64c
  2. 0x895d0cf043489a07c5304b3a1289961be36b3883bfff002a5a480b3f057bfc9a
  3. 0x9b514ba914b885587ec6a0e3eb2671f4b5abfc6853a30a41180f3363a5e4434a
  4. 0xfe8b4a9f15fb94da3ad858389ee7fb6f9742c2b70f911d5962eedaf7899c590c
  5. 0x62fdbecee073ac657c9b5bd4cb2f164206192ca37fb0b95d8516f85cc2e70d1c
  6. 0x51f864a2574c4c44096c34e95edcedaabb3fad9ede20b5297551872ed1a58f4d
  7. 0x590efdc1116cff1b5dd85f798e128cc903cd85b32e9082a59e6a8526d0c67b09
  8. 0x54bdcd45b15c2710ac075b1d44f58c16e31a984f18836072d1fac1aea646b5ef
  9. 0x1012ee6dc96307636e53612d672b1aefd39dd74603b07335d47fd470293ca9bc
  10. 0xdc2cc45aeb9bac7c5b2c82988d008d594e86f037a7c1490965765cac2e2e12ef
  11. 0x959ab296a3970341c0f71996fa3dcaba4d842caef642cda8eca40b269c8394cc
  12. 0x2698876f54a758c12f2d8a55d1995e4ac647af40403c0573c159c54b5c89a5a6
  13. 0x6b1059d214223ba232a27d5edff7b1ca30e5c5586268765def55110a4e62d106
  14. 0xab5d80a23ca5a52b4c56f2bb72b2f4bbc10fbb76450f278d3e5eeb93a98596cb
  15. 0xc1c168f06fcf5aacb7cf4877c193f1924402c94b5590a7647a022d30da984477
  16. 0x63d3b15302a17641ec84d6d16c07594288ca45016a6cc12a65ca679e6cd95c97
  17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
  18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
  19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON