addrbookFor publishers
← The evidence ledger

Evidence row 3417929

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:340902
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1f4bb6a88bbc503f3523fa10894be78a251e5be5f020d86b1c767b22c381824e
Leaf
0xa09ece6d83376abdb164e744dda2b5a69fea6e0d4874f417025e8465f740f8b9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mZC4sK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/37b115a2-7e63-4571-8c02-e7c4c4f0e9bb/.well-known/agent-card.json"
    ]
  ],
  "name": "Sostel",
  "owner_address": "0xb9f4c2b0b8f91a7548a293d470954c31eb2ddd59",
  "raw": {
    "agent_id": "340902",
    "agent_uri": "https://centralcity.ai/a/mZC4sK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sostel 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/mZC4sK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sostel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/37b115a2-7e63-4571-8c02-e7c4c4f0e9bb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mZC4sK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T14:52:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sostel 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/mZC4sK"
}

What the leaf hashes

{"body":"1f4bb6a88bbc503f3523fa10894be78a251e5be5f020d86b1c767b22c381824e","id":3417929,"kind":"listing","method":"sync.erc8004/1","observed_us":1793890351889702,"prev":null,"subject":"erc8004:5042:340902","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0xa09f0af7249435b486dfa0e8673b56571ad9600d421939a5640d0cec2676726e
  2. 0xb4d5a234186396691b519b3e1239a4ac474c1631b0121613b541df9ee123c33d
  3. 0x8a5c289cd35d953fd4e486da7741492a48090da8d2cee595fa787e31512043be
  4. 0x563031f3d5f9b69dd4e97fcdca24a0f845a6051871f8499e0738789a3b4c00ad
  5. 0xd08cf391d0f1eec8526d53303990fa4d92012d194d9c4aeb5bce5f8eed709011
  6. 0xca10dc8a0e03e45fd70d57e98389724159ae08f39e41db937cf5af97172c6351
  7. 0x947df117b25bab7775cd1b0e4ad8f6623da5547596cae0ed62d91f3cece6e8e4
  8. 0xf5b112662b2a182a541c4dc6dad844cf4370462d86f140478b362d194611997f
  9. 0xac7e8ae40556da354a50338a90de3b2674f449ca9987eac2b67afe595ed60aef
  10. 0xd621390c82313b51ecb3b6adb466bc5d73ad302e2c9f9fa4bf080dcb4253f698
  11. 0x5f49cd5d1a52ee18598da58d2897af4306bf8561e7b4345de414af09bd429924
  12. 0xa5df7092cab24ced6636b79dbe3c6c3f9171eb77e89e021a5c678c82974cbcb7
  13. 0xdefa4489f79d6095f4e688e76a01c0b6ce99f5a73473018cf6b6b81f23da7cf9
  14. 0x4f0cefc0c8bc4d2d4ee11f86382293ff9f7ade603fe97facf1dc3f69ca642cf6
  15. 0x1c65721edf79939e1513441d5a9e3be301d6801a492ba436ec3148b4e982f044
  16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
  17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON