addrbookFor publishers
← The evidence ledger

Evidence row 2308080

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:144297
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9f03bb76d1ff1a395720181360cff58ac06eaf259fa1f8effe6b3b2fe2e0203f
Leaf
0x358fc1d2ad8f7f3468f6f0267500b3174e92205d78250de5978925a78e309b74

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QHRAHD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fbab332b-27e0-48aa-ac6f-80291b5265f9/.well-known/agent-card.json"
    ]
  ],
  "name": "Sosiontus",
  "owner_address": "0xf05c2b225b1612b593c019d0f2a7d66b0e48c9f7",
  "raw": {
    "agent_id": "144297",
    "agent_uri": "https://centralcity.ai/a/QHRAHD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sosiontus 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/QHRAHD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sosiontus",
      "registrations": [
        {
          "agentId": 144297,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fbab332b-27e0-48aa-ac6f-80291b5265f9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QHRAHD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793665131,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:19:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sosiontus 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/QHRAHD"
}

What the leaf hashes

{"body":"9f03bb76d1ff1a395720181360cff58ac06eaf259fa1f8effe6b3b2fe2e0203f","id":2308080,"kind":"listing","method":"sync.erc8004/1","observed_us":1793665179472544,"prev":null,"subject":"erc8004:5042:144297","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. 0x358fac06db7cba030953dff074288afae8bf5c80cff4acf12bd51db0465833ee
  2. 0x5f995dcccec334da32579ca8d71ad19b09d1283d518f9565c206862add43afe7
  3. 0x2f8aa05fc60bf555d863f455ed104adb21224465956358eff84637ae35981931
  4. 0x1b82369d24624c83335fc35598c167bddee28ddaa5aef3c87488ddb3b686aa15
  5. 0xf9c50932ef688b36d0040784db98ecdeec2010c8c48a758aa3c9e7ee8c9b00f0
  6. 0x56cfac31032d2760930e00e99ce27701fc9edf404a59a0fcb383eb1279865739
  7. 0x1c335621d3e9beab51e3d57606c9200cf432a0808b51877b4113306f3e84e41f
  8. 0x28d74a5debdb582114f185a63cf010717c23dc869aee61b96549e9db7a711509
  9. 0x36a4e23da05c094781b1e75f736046ec28465730f5d80e3ddaa38f533109de25
  10. 0x18de504cc1a50506d6e411373eddf614f17ea2cd5bc641be69c535b41c1d04bb
  11. 0x97fb650f81d5a04e2c18ed988e3604eb331f26743ec7b2969105425cce6c3d4a
  12. 0x6e30ddd5949563f436a222ef56025cffceafa86dc425757344956cc235277d7b
  13. 0x013a4e21b3841f82a4251c6d3dbec726e8806f20823e735f7a5fb54b861e55a6
  14. 0xe2bf4675db929800e127e8a752f51484d14d8f7a9d806273bdc68a1dfd125e44
  15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON