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Evidence row 2574541

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:180777
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3a250497f1901acc5fca37cd5cdac907f664298d6eada4cad0c80bd3404fac37
Leaf
0x863257a87933f81b5868880e217292e9454969d3878a4de5721f4e6022630273

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/TaSYvq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c7528981-81de-40ea-acbb-dbf0983a8222/.well-known/agent-card.json"
    ]
  ],
  "name": "Sampani",
  "owner_address": "0x6affabfc2c2186e9eed7a6ba33574aad366d3985",
  "raw": {
    "agent_id": "180777",
    "agent_uri": "https://centralcity.ai/a/TaSYvq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sampani 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/TaSYvq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sampani",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c7528981-81de-40ea-acbb-dbf0983a8222/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/TaSYvq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T11:57:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sampani 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/TaSYvq"
}

What the leaf hashes

{"body":"3a250497f1901acc5fca37cd5cdac907f664298d6eada4cad0c80bd3404fac37","id":2574541,"kind":"listing","method":"sync.erc8004/1","observed_us":1793707044948323,"prev":null,"subject":"erc8004:5042:180777","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. 0x86326d08044abd26e62265592617919a303e6804dc10b6375a024e115c3a391b
  2. 0x18e3aa7e45cc9a9b3f3c8e3db03aca47e483c017a1bff280765b129cc81afbe9
  3. 0x3866c3c6379080fb985f0a0928cfaf436e0733dc6245a776f88f85a2fc0f8851
  4. 0x0c6c142e4fd3d3b7c352743895b02149d344a4731bc5e5d890e1385025c571a9
  5. 0x4bc857d8ca39e6dc7f732cb03cce8038f20259a8dad8dd31e4c0ec5d891eded5
  6. 0x3be0b7f2dd78052f86c6b718bd7da9208a702aac8b143d8d74a63cbd2b7c7080
  7. 0x080aca6f85e4b59bcef7492f5752993c5241bd080220920c6daa011367ad2be7
  8. 0x861781547b70dd3a260522e2f5df7eaa83d08cac0988fff71a7ef6fead962947
  9. 0x5e09e8f8a1a17485f9eab173a54cfb67ed0450a984b0c824c6014a10b169ffd3
  10. 0xaa3e5a05992d34f115949e6e6e1fa4128cf33d82c526017a2ebf1d022d61025a
  11. 0x3d0b6ce8c48efdf1d437d817a4d3c2377fb769c3cf5754b744f64dd8508b0d47
  12. 0xaef81b61033fee85d110126aed81fbcb0cbee16e8087bf4d35e2e6fb074eba13
  13. 0x9fcad7b6a3a72383a675ff1c88984ed98f2e83727da75d3965a28fb3c0515c37
  14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
  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