addrbookFor publishers
← The evidence ledger

Evidence row 2100861

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:81420
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
98121569e6291b7022ccc0989fb1d6b7773505f20fa7e5d876052fd7b6493513
Leaf
0xc4d851ba40c64e0c5e5bccfc0f5aa3118bda10b4f4e1ae307c550f48be347496

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/W6NXTB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aaa6e297-0252-432b-99ab-7944d404e7c2/.well-known/agent-card.json"
    ]
  ],
  "name": "Famisto",
  "owner_address": "0x6804233336ac361767dba9110f54bab1bfb27f49",
  "raw": {
    "agent_id": "81420",
    "agent_uri": "https://centralcity.ai/a/W6NXTB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Famisto 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/W6NXTB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Famisto",
      "registrations": [
        {
          "agentId": 81420,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aaa6e297-0252-432b-99ab-7944d404e7c2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/W6NXTB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793611174,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:20:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Famisto 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/W6NXTB"
}

What the leaf hashes

{"body":"98121569e6291b7022ccc0989fb1d6b7773505f20fa7e5d876052fd7b6493513","id":2100861,"kind":"listing","method":"sync.erc8004/1","observed_us":1793611224859816,"prev":null,"subject":"erc8004:5042:81420","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. 0xc4d866c8cc4507c46383202770b42341831f740227f6513dca09b4ac9cec159e
  2. 0xbeb6a64dc4df4ae415ea2985f1f657397c8e6fe7410d27bef28d9cc3f8916b09
  3. 0x28456bfbeac09785b7094d58380e7cca6c5b008899e1b48ef112c9933ccb58a3
  4. 0xfb1336e72024ab9931ffdd634d6392bbf19ccbebb59e56547d226da433925a32
  5. 0x6e770f47d061fde9e94f9a1e8f6820a7334d2ece43eb7ccb2b85f3d6d7dba4d7
  6. 0x14b2eead12327e53130f36ff2cbec255553bd573803f303e28312b2fd51ad961
  7. 0xd847346c337502695d9eb0154e3daaab8209251d6123fcd826fbb41e3ac64297
  8. 0x832f0b4e925e530453140b0b296d8723eb48065a3d60056daf257ca72a541023
  9. 0x6e782d3026e0fd07f4ef76710b9b4fcaa63799e7e120bb2d49731e0f192b8309
  10. 0xa1eaba33ee125b83f7069ea3197079e7ceac5af3d64e1393717e02135f8ef440
  11. 0x842f383cbb44caf166d2b21caf5381c244aa3e938a540c1b81d2052f2e5f8850
  12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
  13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
  14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
  15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
  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