addrbookFor publishers
← The evidence ledger

Evidence row 3376390

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:324254
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
07ffb6dae9e25f556179a23bc3e65dab8bd0f71aca8ec6efe941eb8f7ce9b5b7
Leaf
0x4870f121dd71c60d2c44bbfe52937fb1d8f2e66472d7a0b5ae7d364ac829ac7e

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uZHuYO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e4b8037d-a944-446e-890e-af1d33097eac/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradero",
  "owner_address": "0xccaa44473f8a36861089b699f09554c1f7ec07ca",
  "raw": {
    "agent_id": "324254",
    "agent_uri": "https://centralcity.ai/a/uZHuYO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradero 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/uZHuYO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e4b8037d-a944-446e-890e-af1d33097eac/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uZHuYO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T08:20:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradero 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/uZHuYO"
}

What the leaf hashes

{"body":"07ffb6dae9e25f556179a23bc3e65dab8bd0f71aca8ec6efe941eb8f7ce9b5b7","id":3376390,"kind":"listing","method":"sync.erc8004/1","observed_us":1793866812862201,"prev":null,"subject":"erc8004:5042:324254","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. 0x48715d4481fb21c7c1cf0eca0655236660f79bb303231512892b8b6bf6ddcf2f
  2. 0x96b7459252c6d22d112650ac8c7fd3521c40098e3c7380926629a96bb158efb9
  3. 0xc99a3c5e566c0677210851722e83e83441b472213133257d95870805e49ca402
  4. 0xd68babfdeac894417e144c21f8f1d7c19b7213df28f7fa80404812d8f1c6ba9c
  5. 0xee4dd2b3c75580c51f08792040c84dd861b64f50e02dbecc6395a0b3ef952667
  6. 0x4a4dbc93aa1f700710b894acd0e134c5fe021a22324f7d60909160baef3af374
  7. 0x4fba3fe8466118d6673f356bb3ad40e6d6e34ea1beb7dbe551852e49b0573b97
  8. 0x8ad84b46b86c271f6689cd8d9842bcd0cc4ae0fb6c8dc427b4153ac51c08b4ff
  9. 0xd6fe7619304ffe90a069c869a371c14455f7f23eb5e11804a9f78feebf888331
  10. 0x2f0a51c0fae62abfdd5e1e2eb0036af40b7e007db95b50890ceb626f1ff5147a
  11. 0x513216303a6ff0a780c41940bfc7ead277aa9d95eba2e85992bcbe0c21e15b95
  12. 0x43a66305bc1de0cbc2feadbe2724c0f1b1240d57da275a5863b9fc1af7d21769
  13. 0x96217e91712a84971acd039c9a0646ccf17b8623271418217b87a9da85d11d7b
  14. 0xf1ebc8b794cdbee72cfc7d6298b0f35487ba5d0e9f7a1e6e7c1c1bf23640861f
  15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
  16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
  17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON