Evidence row 2057303

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vfEZDi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/61d454d2-5119-45ca-9e06-fc2e42f51ccc/.well-known/agent-card.json"
    ]
  ],
  "name": "Biostose",
  "owner_address": "0x156c3d46f15d4a6c88a599bdc502b573d6026904",
  "raw": {
    "agent_id": "60967",
    "agent_uri": "https://centralcity.ai/a/vfEZDi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biostose 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/vfEZDi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biostose",
      "registrations": [
        {
          "agentId": 60967,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/61d454d2-5119-45ca-9e06-fc2e42f51ccc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vfEZDi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793594298,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T04:39:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biostose 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/vfEZDi"
}

What the leaf hashes

{"body":"19cfeae699f1e7416a8ec65a3d0c234047e9de8a2c5beccbd8b76fb05c8e23fa","id":2057303,"kind":"listing","method":"sync.erc8004/1","observed_us":1793594357660158,"prev":null,"subject":"erc8004:5042:60967","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xef88fbe1c2922076e56571e318d7ee3d52b9d485312e1976bb85442c3557507a
2. 0x60a8679617922667473a2346fdd6d0ab64b4bebbffc49532dcf27eb501be8760
3. 0x15ebc0615384f43766bd76ffa129402e769780468e47eaba992d4568a3736a79
4. 0x85e90442672a41e5ae574f8d97f350f690f7a475a71df04f02b389419a0f7b54
5. 0x127c352f64f7c7bea87b0080965c61427daa6d18c42352d51b64767cbb6ba0f9
6. 0xae68f7527cd03970465e35f00f0683a8e0bf4c265347f54bc47af20a96fdcbd6
7. 0x1a1fb3980875591ec03a84b6cd4c9d858b8e12f5b803c84298501bc45a6e851a
8. 0x674adc5812e51bcb29c5a91c64b08e46e9ffbd2c4a9ef4ab464447f49821bad5
9. 0xddb90c71701794c16408b4b22bc01e2f22023f5dbc174187753c65fb05e62d90
10. 0x3cbfd0614292dbb98c722dab0c23423c3e85d3c390da3a28fc71ec926dccfa35
11. 0xaa2e865008eca144975b207612c7c4850c0d2e9fd52e97b061a91248b43db0e4
12. 0xfe5fafbda84768aa127517412dad46b6d52750c98fd0471847d383ba9c0ebea4
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af