addrbookFor publishers
← The evidence ledger

Evidence row 3397235

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:330770
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
678131cd5003e110b42ebb7f7361c3db769656237603ebaa1e7a78955806bb4d
Leaf
0x77b14cc93c36407d8925921bbb74224dab3f6dabe1405bc4f00e0cf8e6b8c11c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/if5ltJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f18354a3-8839-446a-9ad2-adee2f82cd5a/.well-known/agent-card.json"
    ]
  ],
  "name": "Sostano5",
  "owner_address": "0x501576481967bf813fb48be56e62c2ef5c6398da",
  "raw": {
    "agent_id": "330770",
    "agent_uri": "https://centralcity.ai/a/if5ltJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sostano5 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/if5ltJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sostano5",
      "registrations": [
        {
          "agentId": 330770,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f18354a3-8839-446a-9ad2-adee2f82cd5a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/if5ltJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793881225,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:22:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sostano5 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/if5ltJ"
}

What the leaf hashes

{"body":"678131cd5003e110b42ebb7f7361c3db769656237603ebaa1e7a78955806bb4d","id":3397235,"kind":"listing","method":"sync.erc8004/1","observed_us":1793881342636479,"prev":null,"subject":"erc8004:5042:330770","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. 0x77b0eee0ba1f13147059edc39bf1ae51313e4dbe034c7a34b76d557e01b1bde2
  2. 0xd69eebb77be18ea4cc57118534c4d1634723ae6ad7324ad18561aaadd03c4067
  3. 0xc4b8f6ed829d99e4b8d7459bfa9032e933b5d7dbbebcc18e9409c67b9606c337
  4. 0x3bf0adaf2cbbe47601db04852dfee012672bf0d7fce0ca9e5324c9c15b1de284
  5. 0x2ad53da2584b50a5c9e94eea3887f3164be4b1c3b0f7bba88eca8f2dcb76b22c
  6. 0x48a5e57b5f98edd82eece0c5ac83e0e470ad84b520784b4e7f4a862597e2521d
  7. 0x7665d3754cc3e9124eb4552b01db30346ce809e6d02e692b7d78f70f0ae0d392
  8. 0x90fa0a0cfdbda130f8470c8579b1a799a3d82f350e7fa529f351f3167cb2f004
  9. 0xe715af9467ffbe51875bcf5e2dc22b63b6848ceb60372db328cc962872ef0db3
  10. 0xa88b8807d170edb253d909558d778af3a1117b0f710e83032ebaac2813292e65
  11. 0xdba61d581fd211510ada6be0e984e174749efd47767ab7f0a2bdb412964fff36
  12. 0x42c24a22da75076c0891993d6affcedead090bad924d30b37f565b1feaa0d0fd
  13. 0x9f49ee11d75e9de037d8212c931305c83dec9cf9fe02f9b12237d47f9e7bf49c
  14. 0x295b2ff917e72ce7e3d94bc8c6718d80f4989a94f335a61261966c43aec141b1
  15. 0x644b3663b447930221e9fe24f9d97eb640daf058f5ce062e43895179e35a3628
  16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
  17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON