addrbookFor publishers
← The evidence ledger

Evidence row 3455212

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:353173
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
6c65a3369d2646ebf49375536dbb5ae62b4feae4993d1d76d92faf294f8dcd08
Leaf
0x8fca744dd898af98b510e1f15409ff1cd0e651a4f3143aa3d26e20e93a07d3ca

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hvDHyh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/df4fadd0-6585-4884-98ed-3264c3ba1db2/.well-known/agent-card.json"
    ]
  ],
  "name": "Viasani",
  "owner_address": "0x1d35c170f025921d3f5e7c113c60e7cacf5fd206",
  "raw": {
    "agent_id": "353173",
    "agent_uri": "https://centralcity.ai/a/hvDHyh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Viasani 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/hvDHyh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Viasani",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/df4fadd0-6585-4884-98ed-3264c3ba1db2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hvDHyh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:43:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Viasani 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/hvDHyh"
}

What the leaf hashes

{"body":"6c65a3369d2646ebf49375536dbb5ae62b4feae4993d1d76d92faf294f8dcd08","id":3455212,"kind":"listing","method":"sync.erc8004/1","observed_us":1793911419185525,"prev":null,"subject":"erc8004:5042:353173","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. 0x8fca81e7b978c4b79e1240c5f642e777535e195cbead6bd7f74521807499c005
  2. 0xd35e8bedfb0b3bcc55e82d051be50bd9b8db71ac63fc051271abf14f66ca619c
  3. 0x1512e7f273122e620918abfb545a328d1b5b908431f68ae1b95216d2fe82364f
  4. 0xb319e0910b385c49365b97497842952a62f0113d663944236075668213baf081
  5. 0x66af93e7643bb97dc52d12cafa41d4086b9a47523447993dbabe4a1eb93e91b2
  6. 0x7677331b3f72e3ef22cbfc1277f716076fb5eb1e04dffb8ef9f797583a86450b
  7. 0x1779d6cdce16ca9a760a22c52c39c0f598865bbbcf1f11c3f1a350d238353a42
  8. 0xb27196710792d9a8313aaf181abd44ad04372e29be3fe429993034a5f01d1fc4
  9. 0x8301d2d905424cedac3d6f6965efc7947cdf68e058df34eb4c1c9018059acdfc
  10. 0x024ab18cd6f485d87d8870982c6db98ad6ae491fbf751650ff0c58e7a1a604ee
  11. 0xf42a0267262ff9c59d293d2c21e8cd1ea8b55f8687d94311716d2b900d96fa2c
  12. 0x36e1d374bc45a43f632d94ce2d75ca7acc0b72ed57b3f1f64f0e62de2a361f8a
  13. 0x8e57c2c292ca02611e13317b8fb7abc6cc03ad3281cf92770bf73bbd813f4e16
  14. 0xcd7dd4b73475d9daf8066f64735db723e9ca6d35bbe9f3158528fa2e4ee200de
  15. 0x8d4c57bbc31050ce925844401ecdf17b888da2f6d1ae583a863bdf84d2854302
  16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
  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