addrbookFor publishers
← The evidence ledger

Evidence row 3411086

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:338745
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fefafa0696bfd60c30c097eb591d33f09c7ed625bc70b350cb714507cfc6913a
Leaf
0x71b81f48030b9169f48ee0037d9f0a3c00c4383ab196d11d69450da7cd256fa7

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/grY7k5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d46fa2aa-292c-4932-a0a2-25111f8328e3/.well-known/agent-card.json"
    ]
  ],
  "name": "Tostano",
  "owner_address": "0xedfe1e49a752c7363f6c3b231ba59580ac8eee97",
  "raw": {
    "agent_id": "338745",
    "agent_uri": "https://centralcity.ai/a/grY7k5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tostano 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/grY7k5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tostano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d46fa2aa-292c-4932-a0a2-25111f8328e3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/grY7k5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:51:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tostano 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/grY7k5"
}

What the leaf hashes

{"body":"fefafa0696bfd60c30c097eb591d33f09c7ed625bc70b350cb714507cfc6913a","id":3411086,"kind":"listing","method":"sync.erc8004/1","observed_us":1793886689646332,"prev":null,"subject":"erc8004:5042:338745","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. 0x71b7b2c0ca6e181324a90c73fd0abbcbb1b6af748918aa415942e10f10d09a6d
  2. 0xc3895189c42a9448eb7d6f9b19572b0e78101f2fa62ee8968143771c142489ef
  3. 0x94cca494dc15934d2b6c96bc050bf72d920fc9b998efee708fd5b61c5ec18dd8
  4. 0x260692b689aafc2e2f5702d93d1aac95310916e3e01d09ca7811b9d447dcdcca
  5. 0x4675f8136086fd93d35eb820d077279a3f678311f271d5f69490e2be7091521d
  6. 0x3e64c1e807ab140ec91b04fc7ad4402b842f9609326ef7b3977fbe22fa1bbaf4
  7. 0x33d096e60ea63a1db5456fba8fb98242f1db5e11cdb9b8015addbcc4a3b2123f
  8. 0x7f6a36f39d97958135f88c7101cb1bcd87bc4447a20eff818b7b738401093d68
  9. 0xf6532d833c04c89ec4b3f63c634226fb4a3879fcac6bc2bf717b70829acb85da
  10. 0xb28a0602b948cc7808c2f9c7ba4bd7ec4740a78a6829b9c5fb77d68bbe62b16b
  11. 0xe55e255d98406ad579e8821811c1d403f1a55304874aed4e2d3195e19a98c6fe
  12. 0x6241f7673df47f7b27844fd70bd939846609e9e2e57615af7783545d362b0ce1
  13. 0x568da52d3014f0cdd62204781a8331ce81c5947b74b34ce000a9f8dd2bce1c70
  14. 0x7a97b9b4888ef386a7abe73f8d9c076a7ebfba8bf58a95a273cd4304e478a2a5
  15. 0xb5ea076f0a9490f58daaa0cbe915aa5dfdfe460bfc500eaea09b59c1d753d699
  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