addrbookFor publishers
← The evidence ledger

Evidence row 2156227

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:103830
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
423f0d919f0dcddab54665807c7e15e8c6f11073201523d7e762d1626a33a6ce
Leaf
0x14169531ae1589a21456ef3d4fd1c9442284bca10ff515cd19f1015da2320786

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8uBIW7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a8d4378d-64dc-49ae-b36b-c8c6df22ab54/.well-known/agent-card.json"
    ]
  ],
  "name": "Treifan",
  "owner_address": "0xa4d1a32882f6b27633f6be1dc8ecaf27df60b000",
  "raw": {
    "agent_id": "103830",
    "agent_uri": "https://centralcity.ai/a/8uBIW7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Treifan 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/8uBIW7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Treifan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a8d4378d-64dc-49ae-b36b-c8c6df22ab54/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8uBIW7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:33:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Treifan 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/8uBIW7"
}

What the leaf hashes

{"body":"423f0d919f0dcddab54665807c7e15e8c6f11073201523d7e762d1626a33a6ce","id":2156227,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629993461002,"prev":null,"subject":"erc8004:5042:103830","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x14168a4c208695d666588c963c1d65123fbd4e04d7a31091e22d4c13ee7c2149
  2. 0x5f3ffa98eeeb6126babafb16561477e84dba080b1ab0af689b588affafe1d11e
  3. 0xb82a6152ec9a9a5b52087b9d266981fa26b1bdded0d89669c423f0041be064ac
  4. 0xba332965ad1ddea838b91a444fcbad066833a30733ade9909ba201bbdb580ef1
  5. 0x1901007bca2ec1e8fbee120440e584ac6bfa6dfc2e900e91d767e68678b1055e
  6. 0xa57b11a29701c7e6abd35db6972e2c17cd0587740164a3a297fe517b2870d673
  7. 0xd74f20b73c17cd81d95f3e2be66002f52dc41caf83a6d58e6449067453a160b3
  8. 0x9ad7a96089c665319752fde7bdf87233f4cd060f972cc2def25420234f51523c
  9. 0xa63c67e0026677dd9ba8f361d941a9b840094874b72a7f6ba28a6c273df5fe15
  10. 0x7e44dea40d6a935282cf16b8df41d83cd25e1df2492e58cf7b47b9b7a6a51aa4
  11. 0xb18553643ae13cee3104b1ca8d57d69b8c7ad78dcb0db13020c43cf1be87cedc
  12. 0xfa1845141ffa81f7d915a060343b5f7290a2b68a742f1d3ebc7a22ce047ba464
  13. 0x2033fb9eab106440990c11257e1d6c1dd310c69a65a92d2e65f3ba6271b8c85e
  14. 0xd35a6b56332d7bee4b13ce3efea77dd0a6863016f58691fb78e2e2faf7ab8e87
  15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
  16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON