addrbookFor publishers
← The evidence ledger

Evidence row 1824322

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:25391
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c67d16851f7ae1c16d55531feca3b95616c84d0ef72ab0000f89d6621d4b7bb7
Leaf
0xafdb2b054a091f5fb165d54ff5da4622bb1da10457e98ef58cbf14e9f849d1ba

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/chcn7S"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dc943951-0c8c-49c9-9ab1-31ae4a67570d/.well-known/agent-card.json"
    ]
  ],
  "name": "Vizer",
  "owner_address": "0x95746c35eb7dc949a9feda8abf8dd7161390ddc8",
  "raw": {
    "agent_id": "25391",
    "agent_uri": "https://centralcity.ai/a/chcn7S",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vizer 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/chcn7S",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vizer",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dc943951-0c8c-49c9-9ab1-31ae4a67570d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/chcn7S",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:41:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vizer 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/chcn7S"
}

What the leaf hashes

{"body":"c67d16851f7ae1c16d55531feca3b95616c84d0ef72ab0000f89d6621d4b7bb7","id":1824322,"kind":"listing","method":"sync.erc8004/1","observed_us":1793565693546607,"prev":null,"subject":"erc8004:5042:25391","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xafdb1a7196e49704b38787943994355d875e2b33f8417bd4cf083555015c5893
  2. 0x988522b1908d5688ab04f2f98d049f1db888c12a562b6779219140e94bc3e169
  3. 0xc7ae007c5f091f77480e0b6761dca8f510eb8d7bf6090173b2f4961ccedbcd38
  4. 0x4812772c4382039c91fa48838b62edf02e905a13805be39fcfc06f990d70288f
  5. 0xf0acf23920e0d7a182e5cdcc61ed8c8b89928267921dd90a4441b85d606bb3b9
  6. 0xf4ead91b663c6f218984ae0d18adac9e551098fbcaa124d6420ac64999d26230
  7. 0x8df42874509eca957f9af7f6092bb391f492ba601e9683910788ab78eee38d63
  8. 0x505a59bae8d1a525a306b6f331ce9415d87fcdfe74488d8ce935e70e20c4f4a4
  9. 0xb6a49318ce2ec2252bb5c970a389799e5f226cafc1ea3ca7cfc8e51170a8d3f3
  10. 0x29905cb46e02d96d9dab2589074ff96393574bdcb3ca5bad1ab8ecf551009471
  11. 0x919ad0088f493839fcb11f62b2441cefbd4d74cc9ef10e2bd25560df03aa101b
  12. 0xb1058f5d0133ed019587ab22ee67de0395fe30321225bb9eaf706daf2cc6fcc9
  13. 0x4ed5ee4b832525b25402d3a08712261bc320fcfa917d504e7d252602edcdd386
  14. 0xa61b9b680bca298a8a4f69cdebc25b3acf2105f25b9ad6f8fe0ea50e55adf8ca
  15. 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
  16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON