addrbookFor publishers
← The evidence ledger

Evidence row 2157262

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:104399
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
90907be10e1dcf8dc048b1e8ce9f9ec2730975cf40215e73964866f6b6210558
Leaf
0x4ee870374586eeb252a920fae51c2311ccdd3e297f902a0a2236b9fcaa75a103

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NiVeWf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ead14c2f-c7de-4f11-ac46-7df3bb531f4b/.well-known/agent-card.json"
    ]
  ],
  "name": "Klasel",
  "owner_address": "0x6f29efc2a926b098805d5991c684eaaa088261cd",
  "raw": {
    "agent_id": "104399",
    "agent_uri": "https://centralcity.ai/a/NiVeWf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klasel 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/NiVeWf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klasel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ead14c2f-c7de-4f11-ac46-7df3bb531f4b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NiVeWf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:39:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klasel 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/NiVeWf"
}

What the leaf hashes

{"body":"90907be10e1dcf8dc048b1e8ce9f9ec2730975cf40215e73964866f6b6210558","id":2157262,"kind":"listing","method":"sync.erc8004/1","observed_us":1793630356656609,"prev":null,"subject":"erc8004:5042:104399","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. 0x4ee83ed12e3d73a06933039dab4535e82fad6b65f53ab7ea6209b1069c781857
  2. 0xc949f8023fadd176c3eca32df09e9dd19220fa2ff108ef4e4e795a990c5da1f9
  3. 0x2d1f3c56bcbbfe3e9fd567efac25a932bce982f13367f92c23456573660465a4
  4. 0xfae5ef0ae216f63f9bc1a98d76a50da742ed22d39afb2cb258b0b7abb926de5f
  5. 0xa3922afcae050ca1b0e52b0332858d773c772676200be8e37191e0624d159471
  6. 0x59994bf7f513d33731e2bc781a8cef5869c0fd01c2dc78b306a7dca374aac251
  7. 0xf69aa68bdcdbeec5ad462854f67687a4f70c39488df5edb1acae9e691912c2f0
  8. 0x1e6d35cd84d692422944d80747ffce3f99770ac8a550ca8f017622ed1490b534
  9. 0x647a0c652aed2c96cfa7ba0835156a4b22cf06e2f16a183c51619a5208f26285
  10. 0x9bde5e4efc8d1b63e82c99d4c300bd547ef6953f58bb6facc6a898a47c6e0925
  11. 0xa9e980b4eacd1099abadb1e27620aec701a8e4ba7c8d74415af14b1058d2005c
  12. 0x3ad2fbada00103a2a6a570af4a856e0e81a8f194755e65d8a072558bea55dc73
  13. 0x5e60d42a83833fb9c9050e07ccab878d6e233865869bd0ed358ec8cdb2d0bd7d
  14. 0xf01d425f0c05ac504062d9b471f06fbf10480b3526efb1ee77bb71aebd05f0de
  15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON