addrbookFor publishers
← The evidence ledger

Evidence row 2560531

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:173720
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c883575d3e0c203f0976123d8e28cbe09947dffc059bbcaef74f3d3068056225
Leaf
0xc37f8c12bc0467a5aef55b03ab98826a007b1763f4ec81925e9f55376c49824c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/bIEXIC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d5b365c-c593-4fa8-81a6-15f15113bd34/.well-known/agent-card.json"
    ]
  ],
  "name": "Sando",
  "owner_address": "0xfc24cb6bd38cffe1039045c85694f926c2fc7cbe",
  "raw": {
    "agent_id": "173720",
    "agent_uri": "https://centralcity.ai/a/bIEXIC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sando 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/bIEXIC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sando",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d5b365c-c593-4fa8-81a6-15f15113bd34/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/bIEXIC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:37:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sando 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/bIEXIC"
}

What the leaf hashes

{"body":"c883575d3e0c203f0976123d8e28cbe09947dffc059bbcaef74f3d3068056225","id":2560531,"kind":"listing","method":"sync.erc8004/1","observed_us":1793698623640743,"prev":null,"subject":"erc8004:5042:173720","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. 0xc37f6ad1f7a287ed37bac513faee4618c5ef1c6df4aaff7c58b9ad9a01a70fbe
  2. 0xdb5c3d5b8314d06bf3e7481e571581a823bcaf2c5107f8479cacea3ee317d4a0
  3. 0x39bf179197af98e02cbd1d5656baf9b55315b6f3f3eb40e286603ad2a3e535f0
  4. 0xca9527c3e23c1954466468065c226a10706be3819d96fbf996c95deebfe46444
  5. 0x13730f6bb2fb7d0a2ce279f10eeef92c669112425c77a4df838b751aff5834e7
  6. 0xca985170bf463af56f2b583ad6bd7871b75b22287c8f39d06ac2e9b8b35add0e
  7. 0x26e5ec91405526ad429fa9c1d39d55c03490031273e51e21a7cdfcb31c461f80
  8. 0xd627ad8cda3fcb866ed87d54c0152876a734b87d66e45792623b60c259ad84d0
  9. 0xf8bb8824a9729228a70823246bf6e11bc3f2e9debf017b70cb1faf797002331e
  10. 0x28b16723cba2c1da4dc76427e9e9b9b8311b866b38ba8bac0d45548226e06f16
  11. 0xba8a1ddb47918868f0b7a37abffaca79c309a43f5f99dee8102b0aa410074b6c
  12. 0xdfd9d421308e6272681c7a863c1a74ec5ea8af2c6f0d90f5ff2dbdc578721501
  13. 0xea5662e345c3629b99f3561f2bce8ac753b4bed58f2a329698d8e798b051984f
  14. 0x1d666a17ae41c2931b0c5276dc8bd8c2adf9827a61eb629d06ca3a33ee6a051a
  15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
  16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON