addrbookFor publishers
← The evidence ledger

Evidence row 2103453

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:82408
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a1235ef9ec425f096012e24ebe2bb5308f2786bc47d813b50000111242a5429b
Leaf
0xed0b3fa1aad71e8efc3b94f8d3f225646e56354fcd28219d02aae35e80c6af87

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wqlHAe"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a92aa6b0-f58c-43d1-9506-ece6f8a15f77/.well-known/agent-card.json"
    ]
  ],
  "name": "Stakan",
  "owner_address": "0x70f574630eacf5a7466addd33960c9c92d06852e",
  "raw": {
    "agent_id": "82408",
    "agent_uri": "https://centralcity.ai/a/wqlHAe",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stakan 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/wqlHAe",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stakan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a92aa6b0-f58c-43d1-9506-ece6f8a15f77/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wqlHAe",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:37:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stakan 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/wqlHAe"
}

What the leaf hashes

{"body":"a1235ef9ec425f096012e24ebe2bb5308f2786bc47d813b50000111242a5429b","id":2103453,"kind":"listing","method":"sync.erc8004/1","observed_us":1793612225209019,"prev":null,"subject":"erc8004:5042:82408","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. 0xed0b3b83f4f232ead0e5f8127801944dbdf2dd472060bf62e69ce68a4be8c987
  2. 0x53edd59f54c954e8c1fd97ff332467ba81176b35a390ca0e0a2168c257fa59aa
  3. 0xf2e1da476eb8c3cbd74041ddf2c1514018e32fb435a29a8674a68114ed359277
  4. 0x45857d0accd6268f8d7e8e4541f2a78e05fcc53861a914bc746b62f03900a30c
  5. 0x48d78ce4dd23ecd8fc24b83a3e81c1f938c4d1e4d727471c6be6af1271dd8d57
  6. 0x4937e8347750ff2ce6aec46dea73a170d055eb7da1c58b409a82b2ee73693a57
  7. 0xa569d544c87bf8ec088337a42475869999dd0300b59fca5731bae5a4ef282b57
  8. 0x3ec31d2b1863317b6333d712d18a0ba04a720991c7d9539f4a265c67f8b5c91e
  9. 0x56974a9a313b75b5ad7c242c7a4915e7d92ce2a49e21cb67778aee7a35694442
  10. 0xf5adc718454b689884446e51684d6fb07530f783ed8efa8bef790f4fb99b34e2
  11. 0x9796823e81b5ea9d6492ae99eb02f67cc89cd0a9dc29613b11f414750c71dbed
  12. 0x003935e26459cbbc36612e09da82fb445f0b8844d8b644213247fd0844b7407c
  13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
  14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
  15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON