addrbookFor publishers
← The evidence ledger

Evidence row 2155095

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:103154
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8c399f225c6f431689259162c6c8e0e12857c7163ad047622ba2d37c817b4523
Leaf
0xcf349cfd775fca3098998704ac3c86f29cb75170cfd067817a9d22fbe862045b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OdWpKI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cbbb1e31-4d2c-4d02-ad15-07ff2e6f60d4/.well-known/agent-card.json"
    ]
  ],
  "name": "Velampa",
  "owner_address": "0xfc89d4fa60eb873da0a8ba289ee4aa1646c8b1c8",
  "raw": {
    "agent_id": "103154",
    "agent_uri": "https://centralcity.ai/a/OdWpKI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Velampa 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/OdWpKI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Velampa",
      "registrations": [
        {
          "agentId": 103154,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cbbb1e31-4d2c-4d02-ad15-07ff2e6f60d4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OdWpKI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793629472,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:27:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Velampa 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/OdWpKI"
}

What the leaf hashes

{"body":"8c399f225c6f431689259162c6c8e0e12857c7163ad047622ba2d37c817b4523","id":2155095,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629627227271,"prev":null,"subject":"erc8004:5042:103154","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xcf3478ef4d3504bbfaf51a0e84f3b2463fd1681120424e3765066d08d3c9ada6
  2. 0x8dfdc6e30a9db245770bbc07830aa74d8ed51fe6204bfdc8cace3dacdb579027
  3. 0x3dbf817da892060ceab0c8499fbd131c49a8181279697fdafb72dc51b0fa6377
  4. 0x688e041b336d7649093481f0cf40b75bbcfa46af62b499d1d2d62d837efbb0d7
  5. 0xe94e96a8cc68d779592223554dd7b4d4f3a0a05558c27e1057a88999b7ab1115
  6. 0x74e0044390c7dd13c8eb1e9039b07e98edd3d0d3cbf52a41f2107f43bee2bb5f
  7. 0x9395cc410f599101160090d385076e0b9bbc7512ef69060b87e059ef57dcec11
  8. 0x8eec13589e3fc9d26105320e43bb39ce371f20216840afedd1851153470850ce
  9. 0xb74636be710dc91de1e01bd51e4d872ad1be0d0595dd8fa237fbd4365867185e
  10. 0x8c96086eed535c7e6e898a406ed456219da2f756e9f7e9ef7ae4fc72cc8bdf30
  11. 0x72ab42f3c5a6ef5a4044ef2fdc6891273b02682b594ac6044b122a6461ad0992
  12. 0xdd70b02ace47c3d130058a43d9d07b1c248c91e80e9c82aa580d25929a652bb8
  13. 0x072f2f6577fd7448e35dd54b73d821e24c8d625a3295181aa05e7da8bcdbf170
  14. 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
  15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
  16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON