addrbookFor publishers
← The evidence ledger

Evidence row 1788993

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:18527
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
cdd2c1ac87d1f7fc6d5e6c8eabceacef3f1814e8927a818a51920b3ade7bf143
Leaf
0xc826c6240e3b13ad4f296bf048d96fa5b8fc71bd9d6924a68d02a5b9ab7952ea

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/77MIc7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1c14b5ec-76cb-4cee-ab9a-81e78a32abe4/.well-known/agent-card.json"
    ]
  ],
  "name": "Samon",
  "owner_address": "0x882adb1ea1c58273104d0b58960a4a03502b3e19",
  "raw": {
    "agent_id": "18527",
    "agent_uri": "https://centralcity.ai/a/77MIc7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Samon 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/77MIc7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Samon",
      "registrations": [
        {
          "agentId": 18527,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1c14b5ec-76cb-4cee-ab9a-81e78a32abe4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/77MIc7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793559649,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:05:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Samon 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/77MIc7"
}

What the leaf hashes

{"body":"cdd2c1ac87d1f7fc6d5e6c8eabceacef3f1814e8927a818a51920b3ade7bf143","id":1788993,"kind":"listing","method":"sync.erc8004/1","observed_us":1793559917142245,"prev":null,"subject":"erc8004:5042:18527","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xc826cc028cf85f08adb44557a6abf76f7233edbb0d699aed731ae1c9913de64f
  2. 0xc1ede657cd2d9b09ce868743d7ccce09c027576f30b0f68c2e3de353dedff4d1
  3. 0xa04e08fce3760b7d4b688a3b04cb14510eca5f68cd9a98607600640b6ab7aa1a
  4. 0x329ce0e03b19add353641ab8efe7d20017153faf271353d5eac4a91768d1b353
  5. 0xc3b3210b96a9fa49301492ae4d73c95154b5a013fb6b2197b2d2dab5dd55ca4a
  6. 0xd0ef3f4b472cb792fa1fb0d73a321ee020ed44c4141b91af119bb1f8584d7d40
  7. 0x0ae723192ecde8308e1a35eb30f1ebf0125963adaf67beca53834074031a4085
  8. 0xd9f145b25db2a11a6070cb0be20bd21ac7d3765ac59813dfc9f83fe146c745e2
  9. 0xa2f92427afa42eb6417b20ec214be5f005734a934b93ef65fdfb7b953128b5ab
  10. 0x03a1bfd55683d4d2977a589be2bfef6dd1a5f9597e66e29eb0e434e8ccb7cb06
  11. 0x1dcac5018811ec67be5f9be6e85a8dba42b952249e46f3c9c98e7b7dc225c969
  12. 0xbd69c1daba6ad48bd11883f69e02314022c981418d1c63479881d23615a3a7a5
  13. 0xe14f0d8e2b9967bfb142a635a58f2d35462fc1282dcc137d3d835cfd908c00b2
  14. 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
  15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
  16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON