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Evidence row 2306446

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:143732
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
672e2dad71450aa6b6d92017ec0993c6b6707e396a48819777b4048341adba94
Leaf
0x147d6c7819e90abff8f4f55f378f5fd685acfb4930771e1e7bd64ce133cff3a7

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SfuGaN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fc49b221-0312-47e9-bfd2-0f39a3de1f98/.well-known/agent-card.json"
    ]
  ],
  "name": "Masteon",
  "owner_address": "0x19cc95e40741dbf444aa4c5cbba15c0d1785aa57",
  "raw": {
    "agent_id": "143732",
    "agent_uri": "https://centralcity.ai/a/SfuGaN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Masteon 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/SfuGaN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Masteon",
      "registrations": [
        {
          "agentId": 143732,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fc49b221-0312-47e9-bfd2-0f39a3de1f98/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SfuGaN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793664221,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:08:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Masteon 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/SfuGaN"
}

What the leaf hashes

{"body":"672e2dad71450aa6b6d92017ec0993c6b6707e396a48819777b4048341adba94","id":2306446,"kind":"listing","method":"sync.erc8004/1","observed_us":1793664504099532,"prev":null,"subject":"erc8004:5042:143732","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x147d6ba1e32ff2fdae997de2c1096e453f986a4a59764ffad0b80dc28eb0a593
  2. 0x221bd798c20204c914d43c26126daea746715c484adeb70b1124b4e6d82f52e7
  3. 0x6e12c97fd007ede5f52264e0f4a2f35da437e3efad45498db596d53cce828509
  4. 0x14b4cf3fec4a7a6abcc3f3098c703ff06836549b4361a31dd3252771004858d3
  5. 0x724478c2287f4fe47d0ce6427d8630b3bb5e9f8bf4ee7fe151594b367356f4ad
  6. 0x58ded78ec7c9399d9c095a6383bf8044c938da6fa1df4801e928c188278f65c4
  7. 0xcdbaee0f37e0f4bfba80dd912b88ddd6aef9835eb26dff06ece349809ecf3650
  8. 0x497626fe2224a6a48aca7b12cc5b1ff8be836bc93c19dcfbc86e20abeced1015
  9. 0x1174b092915e6e5340b2bd72994e9b542a3e42a512ed85f0e061d1e382b9f0f9
  10. 0x5e91a1582d39f26de39bdd3efdbaccbada9b4efccd5fc30c0f677cf2de1b3957
  11. 0x7004fe3f7e9f3f8118c119d452ec77a8a02bb6bcf9ac5387ab21e60d87b42653
  12. 0x4a703d7b488541b155124066b4dd7c3d5c7dec0475888c61ceba22b11223f76a
  13. 0xd94722bdb41527c7e86b71a63a94e4d4ae1edbc11a8300cc2dc1910b8fcb0a51
  14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
  15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON