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Evidence row 3375644

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:323935
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d89e9dce6865f8c9fad6ffee52069d883fefc088811678b544263ad4e6e095e8
Leaf
0xc76c19c606b858e48e04cbde712f6bc024ece8a9daf874df9f42f08bd438c07a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/EfkNGJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d7c0fc51-4d69-4fc5-bc81-5aa555c5a609/.well-known/agent-card.json"
    ]
  ],
  "name": "Breifero",
  "owner_address": "0xa300ba97b430616e1d593d9936e3e6c02fdcb3d4",
  "raw": {
    "agent_id": "323935",
    "agent_uri": "https://centralcity.ai/a/EfkNGJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Breifero 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/EfkNGJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Breifero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d7c0fc51-4d69-4fc5-bc81-5aa555c5a609/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/EfkNGJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T08:14:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Breifero 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/EfkNGJ"
}

What the leaf hashes

{"body":"d89e9dce6865f8c9fad6ffee52069d883fefc088811678b544263ad4e6e095e8","id":3375644,"kind":"listing","method":"sync.erc8004/1","observed_us":1793866446999977,"prev":null,"subject":"erc8004:5042:323935","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. 0xc76bb3b0fa4641a831049aaaf6c67ff49f437ecaff751287c148b6ada2cd2bdc
  2. 0x9d201b01aef39580665e2e188a66c17a4747e363d839ec9cf9ad5f70ea1e8d1d
  3. 0x7872f7d155076ac67b83ac87b7efb88d959fb2e5877d3b51d1de13092257d51c
  4. 0x133f6597da42ab1f3310b405b005901e491fa40ff1036edd675865e3abf1fc36
  5. 0x22348e6199a5a1303001dbb0ad560e6030481390bc65f90cc9f6eda27ce3854b
  6. 0x08173cf45a73fea2d99747120bc8d78e91631de6044d310cfbb78d928978639b
  7. 0x2c4d83f043a7e6bcf93bbd747090b1859ac08996538d612d6a5f08bba9181a19
  8. 0xadf91d9d4d4331e1e3b8dfb1980351b61c9ac28ec191633fa9bed5b879db1f5c
  9. 0x1fcd2f451981d31007c595c9e17d96c0e5d731e85b658991ccae6666b1520f3c
  10. 0xb88da1538726923389af70c0d4ba7f9d3cccc6984698fc534d752d2a12b146a2
  11. 0x4be0a75645f7695c218a35582646900dd635a78f8ca4a1792be07714b7b6e93c
  12. 0x5455fe179b00678a3c923e94f91befe833fad2477073af48a14ff3d5fe7a2499
  13. 0x5f2d84108e979c1f040386914884f9213539c40ee93654c2c2c044799fb97304
  14. 0xa0dd9de5227bcccb051dd789b1b0b367de502cd968f4eeb15c7237fe5ab59210
  15. 0xa4e56d82ec36b49551d49bd66018a63f06e5a1bf1f57267e4e574643bc111b3a
  16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
  17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON