Evidence row 1843883

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NTQ2hs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cb8d677a-eb98-48aa-8d1a-eb52e16de48d/.well-known/agent-card.json"
    ]
  ],
  "name": "Bivis",
  "owner_address": "0x03b15e72d241cf6495ea290e9d2df38adcc5c89c",
  "raw": {
    "agent_id": "36926",
    "agent_uri": "https://centralcity.ai/a/NTQ2hs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bivis 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/NTQ2hs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bivis",
      "registrations": [
        {
          "agentId": 36926,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cb8d677a-eb98-48aa-8d1a-eb52e16de48d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NTQ2hs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793574874,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:20:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bivis 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/NTQ2hs"
}

What the leaf hashes

{"body":"1b274af879204ed253e1069f81f81e2513caa9e710cf8b80d0f69d14e78a3be2","id":1843883,"kind":"listing","method":"sync.erc8004/1","observed_us":1793575226419639,"prev":1843655,"subject":"erc8004:5042:36926","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x57a66d4de05deb24e394a5c898c811ab022a84b996b1a99e1c16475fd2ff6078
2. 0x358bf4a5d26ca7b500f1ea8cc96364a853feea453d115ae5c8a3ed538f376228
3. 0x1b99edcfe58f0977905bed3b631a38c3af3195d30b15e4f74d9e451681f14532
4. 0xe240e2e749e3d11581755c2c20aac0845e6ad0d6760313158d20501484429fb2
5. 0x91d59ad9ccd987208e3a92f27fe6c4b51e9e9c63049491c8760bbf02449a279a
6. 0x27ac3a2eb4559881f1cb1174f458e4373cb84ec6912fecffc3f0dc9ca70396fb
7. 0xf005bf1cd63fc8108b78c060e4e12bfb55b0c1a284c6b0c08127a1fbc5f13318
8. 0x92398808d712ada564c06e95e7878d200967ab7fffee8a5aef538594885d30ba
9. 0x861d5117ba55a6db4709caaa048c41a21d3214966934b2c1c1d606457a54677d
10. 0x83222c2769a25f596611d0f830708976dff5ddab12996776aaa907c2da3d1cb7
11. 0x28a8bbbfb74590a4821a0dc2ec2949cba1157cfc90f4f7e45a55941e5db34eec
12. 0xde1fd31d10ba36dac3c345ea907bd1d4fd47e4fc9fb148e86bb9173da80d02bd
13. 0x25c3242ac264be301989809e7441ef0e86b1880cd2901fd07b765f01885b4af0
14. 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90