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Evidence row 2721346

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:208577
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a4ca1d1884498221febdbc8396f6190b036d1159d275bb087c940e2b9141c628
Leaf
0x8216ef456824a8b882d37009b2d9eea37f54259e045b7fc61a2cfea03ebc9789

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0jcb7Q"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/212be1ee-a6f1-49d1-aa73-60340967b529/.well-known/agent-card.json"
    ]
  ],
  "name": "Tusa",
  "owner_address": "0xda9560f30037a8bab510afc4570a296f9e068977",
  "raw": {
    "agent_id": "208577",
    "agent_uri": "https://centralcity.ai/a/0jcb7Q",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tusa is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/0jcb7Q",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tusa",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/212be1ee-a6f1-49d1-aa73-60340967b529/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0jcb7Q",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:23:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tusa is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/0jcb7Q"
}

What the leaf hashes

{"body":"a4ca1d1884498221febdbc8396f6190b036d1159d275bb087c940e2b9141c628","id":2721346,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744604872603,"prev":null,"subject":"erc8004:5042:208577","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. 0x8216e2fb9951990b6e44822d17ebe0e2dd70b819abf1e383cc107e48fef67079
  2. 0x18ae964a1ef63f47330b708e00f86575afce19ae0c716ee8bf553e87d3a1d28c
  3. 0x4f1cbf3e85c2b73a03e3c8f4aef71f59c2750598b035bd8775aca729707744b6
  4. 0xf9a8076367f272826973199ce5e236d24183b6c2a66d72fae0d827a3016f6b08
  5. 0x14a517368d5bfbf8634bb55a7b0944cc8bd208a6758fbd6649e86abee944355b
  6. 0x1f8d7fd706d88ef148d7116b16eb09a0ab19e88ff560fcb7d1c7b08236a1da0f
  7. 0xbbed5ad19cce8c66c8a6e5566f4bafdb30d760994bca32d3c20dfba59cab0c3e
  8. 0x45c4b87eb68a9441812ed8d650794ebe5adf1b64f754774f160db8b3c980518e
  9. 0x9ee9d3440cfff3f74b7a878a2855b434fc8afa26b168b493b718a4b9977e6b7d
  10. 0x942feacdaaba50cd7988256e9979105d6c87586c1d5e9375f1a38a5a7eb09f2b
  11. 0x383e807ce2d624fa1ed3d83bbbe9d72c278baa1868fc36c80a26d88fedfc909f
  12. 0xf557875bcc9ddb4e7d71110acb137c0eceb5c71eb75ff45fdefb49929c54b670
  13. 0x4607f3c9a6344785c28144331cd5f69653994a97f95db7809922902bd2d6862d
  14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
  15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
  16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON