addrbookFor publishers
← The evidence ledger

Evidence row 2087285

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:75099
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
15223f0609c1f6e7f66c3d8218a0c7c5326691cd9516323f065d82184bc286da
Leaf
0x2fe9d8bc78211d909af3ff883471767f4bdd22dfec44a6e19819e22ce7a20ed9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/X6uCzQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ade5d51a-982d-41ea-b898-934d412cccb4/.well-known/agent-card.json"
    ]
  ],
  "name": "Grato",
  "owner_address": "0x45bb95fc25987bb775d1a230e7a0e69323a77ee8",
  "raw": {
    "agent_id": "75099",
    "agent_uri": "https://centralcity.ai/a/X6uCzQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grato 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/X6uCzQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grato",
      "registrations": [
        {
          "agentId": 75099,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ade5d51a-982d-41ea-b898-934d412cccb4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/X6uCzQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793605761,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T07:51:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grato 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/X6uCzQ"
}

What the leaf hashes

{"body":"15223f0609c1f6e7f66c3d8218a0c7c5326691cd9516323f065d82184bc286da","id":2087285,"kind":"listing","method":"sync.erc8004/1","observed_us":1793605868981060,"prev":null,"subject":"erc8004:5042:75099","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. 0x2fea272a28e2c4c9ebaeef22199631ebda38cf19f394c32cfde46f3e0514c7e5
  2. 0xb51c9e0d4a5c800077dc035aeb7824858a524e6d859e91362330c5526110324c
  3. 0x5911eed774b0e0364927a4276f2a57a4b8de8ba9f6de01bf882a26f02233e473
  4. 0x3dc8d99191300feef8b389824dd4bee603c9082949ad17bce5def5e9c716abc1
  5. 0x98b5c54be85d19eab789644af81cf61643b2723fe562cd20e3172007506f2d35
  6. 0x992bf41714b252d4c6ed0543deee47b5bc59bbbe2a1eaf136cf3031f3c12f265
  7. 0xfa8511e9748e4b80194af94f2174c8bea0ef5d24a6e7559979d29ca3589422ff
  8. 0x1ff2299463dfe9aeb1fa80e7b64cbaab5d137aa1f4dd4f5a81c7dab3fbacd155
  9. 0x051d9328c707e6bdf5b8b53fef13279ee5bca25b1378f35fc598f4a5e56ce543
  10. 0x00af06bb139394fe5f495f0c3abf41d21ab29c719fc8f4a45503d052cd5fb3ed
  11. 0x83c0ab9422938edcaf9291b4dba948045692c513a3441ef196db65d0072a3fce
  12. 0xd02b59f5289a7e4f418fa177885dbe768742fd98e5bf0532eaadff55a79c5864
  13. 0xe0a95aa0d153f7a034b0dbeb91c5460c64c47c22ac037e0e8cfa69f4ff734b69
  14. 0x74cae95d275254a9c747b603bd40b5086c5725fd3e904782e6447e4647e8b049
  15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
  16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
  17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON