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Evidence row 1774531

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:10020
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f3eb283249e4b193af23ea8022ef58d6235695a85e44d48314248ad6f5f3137e
Leaf
0x280f514bd92f9600c0df2958f2cc8a66faacb35839a39890ce776b85e4b9af97

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/EDTnh3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/272c09f4-1617-4311-9948-24c78a3a668f/.well-known/agent-card.json"
    ]
  ],
  "name": "Feizler",
  "owner_address": "0x861868aaf2d223d442e1941ba4570b4b24a697e6",
  "raw": {
    "agent_id": "10020",
    "agent_uri": "https://centralcity.ai/a/EDTnh3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Feizler 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/EDTnh3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Feizler",
      "registrations": [
        {
          "agentId": 10020,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/272c09f4-1617-4311-9948-24c78a3a668f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/EDTnh3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793550584,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:31:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Feizler 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/EDTnh3"
}

What the leaf hashes

{"body":"f3eb283249e4b193af23ea8022ef58d6235695a85e44d48314248ad6f5f3137e","id":1774531,"kind":"listing","method":"sync.erc8004/1","observed_us":1793550667057505,"prev":null,"subject":"erc8004:5042:10020","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. 0x28103a169ab425f83cd979812652294aaaeb68b4372c3c0d81ebcf51e62ba92d
  2. 0xdba2a52190aa5367390704627a366293e1d34b5a17d316eb4f9005f8d7685c0f
  3. 0x260640c8198293bfd20bec858e5fb39e876199a5bcaabd5ed4f2203a44850f8c
  4. 0xd1d090c80eeefcbf4c1f6f1d76c9b4b4d40d8df2482948d8ba0685ffe7b9dc37
  5. 0x051baf43fa4f31a8fbe12f936838b304e5a2222ff4c9a536d08c180dcb018407
  6. 0x416fc6e14e71e624f23bb90e01a0d4019fc3164c644e6d150b071ef81848cf29
  7. 0xd46f0067d8d2a3759a6d7b1c12be4c5b2181c2132599d979035f8efca1f21b9a
  8. 0x82e39b639fe041875917b4f3950a93d2767c3773e8b3b18942fd7f9b6a093abb
  9. 0x4b46a88eaf65c129f48751a936224f1ebe668656868d82e548fa7146f31ce115
  10. 0xbe27b4a56b71a13b4e38353c43a2aea4c4c7df2438421893080b5c104c7db1f4
  11. 0xc40a6b60588a1aceccd51912d0d1ebcf1a3504cd8713ff2e78468664400e58f4
  12. 0xa1c64378b1becf0e37cf951b6857a7439217a9f21c3185f98f67b4c5244d25bf
  13. 0x840f2ddc4be75904057731976db961e3f445b17d64d6af4c9dc2c387705007bf
  14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
  15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
  16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON