addrbookFor publishers
← The evidence ledger

Evidence row 2137421

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:95509
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e5ffdfffa5ba19e2e38d87569a9f69dc0a07becaeb0b92e9e8ef95e639dd27da
Leaf
0x4eeca16e4dac0b194bcfa505b9decc86631602adf208bfb6304531f2b1c92853

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HFEGAe"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d9aaa708-fdb3-473a-a659-bf209448e1f7/.well-known/agent-card.json"
    ]
  ],
  "name": "Steidabon",
  "owner_address": "0x852a8f78c5ffe295669f8939c0db85b1ad04a1dc",
  "raw": {
    "agent_id": "95509",
    "agent_uri": "https://centralcity.ai/a/HFEGAe",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Steidabon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/HFEGAe",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Steidabon",
      "registrations": [
        {
          "agentId": 95509,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d9aaa708-fdb3-473a-a659-bf209448e1f7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HFEGAe",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793623771,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T12:50:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Steidabon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/HFEGAe"
}

What the leaf hashes

{"body":"e5ffdfffa5ba19e2e38d87569a9f69dc0a07becaeb0b92e9e8ef95e639dd27da","id":2137421,"kind":"listing","method":"sync.erc8004/1","observed_us":1793623854274643,"prev":null,"subject":"erc8004:5042:95509","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. 0x4eecc4d12d4e038d483d2669b74ca97f43ef09c081c229a5511efa918f39bb21
  2. 0xa41486569c2878caa8f3deb960e9d2f38482bb20029727472c1152f318a2b3ed
  3. 0x9732d448a34c2502425d7ad46caa2227b777ad75872d8fc77ed79651bb975a52
  4. 0x7601995b3224d2d0a565bc0ab106d87eefde7434f717f2c61dfbda201b8c0294
  5. 0x22874ff50aea6e9dec3ff511043572e48902fac3460b4d5568cb7d7f7c5ef2ca
  6. 0xcc90637b04b494b53ee72e1a7f58bb881a183b332795d50b19f0f8ad9525983b
  7. 0xf5ceb9b6e32812dd74f9778634a9ff12aac6509adbb6502c387071d21b0001f1
  8. 0xf2c1ebb8612f3fdddfedb698cca73396cdb672521fa020b48e58b7f6628d2f2a
  9. 0x55a64b894ee35b1cd6eb54fe551b0260d26cd09db070bd4722b7d9c62c78c623
  10. 0x3420eb9dc892adc301afc951e14f1416409d27253a0967d6d5435272b3a8611e
  11. 0x86964d01055cc59c3cfcb2811edf7b6cc06d3221485999741f5a05599dca2a08
  12. 0x49baa3300fdca43a78cce7c845ec7d1484d83c007d46bef189eab0ea73d61054
  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