Evidence row 1827700

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ARidrA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6f7e8075-7cc1-42ec-9bbd-8f1e97d9c021/.well-known/agent-card.json"
    ]
  ],
  "name": "Biolano",
  "owner_address": "0xb5f0edd381071b2f85bfe933d6c3ee873e0ca257",
  "raw": {
    "agent_id": "27436",
    "agent_uri": "https://centralcity.ai/a/ARidrA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biolano 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/ARidrA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biolano",
      "registrations": [
        {
          "agentId": 27436,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6f7e8075-7cc1-42ec-9bbd-8f1e97d9c021/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ARidrA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567278,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:10:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biolano 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/ARidrA"
}

What the leaf hashes

{"body":"800143132e497fa481108b1ae03abd784c1b1eca23501f65b087790ff4d25c7d","id":1827700,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567401863055,"prev":null,"subject":"erc8004:5042:27436","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. 0xa116c041fcc2379cad778f79a2fbd01cca4a7bd0a9bc5a19d62e487446236c2f
2. 0xed92f4a264d7f41d58607aea124230153d3965c6492af3f8d23d9739ea2cbff7
3. 0xebadc6e28742e5e04e829eed9369f44f780f7ff8e60bc0e2faf69925ef7b7e5e
4. 0x585319e8dfce659c83f9a684e6dfdf3fe5879e04ae0f3f99d0e69b556c0fef5c
5. 0x5ade34b8b079b6672697d99f0ec2b8b080b01c168f791bdbd1d48e8fc5d48ead
6. 0x2e73da2bed24e593778d618b4bf093591280b540051cd1214b3edbdd61155c5d
7. 0xf6533e13afbf1b0ce38c297677299cc44e5f6b4c0f5f53b78656eb44e2522928
8. 0x5d998fc43af3fb9d2ca34f550665512c76d5e12a838b6d0e391fc8a7b3c96815
9. 0x4c056ab375eb5474cf2b73313077594ee4dc93053f9b909b9360e571972597a3
10. 0x04d4fa663ff531130ea1d3e82991180a479646011ffeadeb0371d63b19508455
11. 0xe8ef3f0e6d273376840e4a93aa719beb825e98ae1d1dcbe5b3fa3bc35aba6355
12. 0xb07f228eac6db8825710e10582bb3eefd4afac416e47c9f92234daccdfa086d0
13. 0x4d2f8da78dc8a660de1d8b86f0083d4295117c283b6de5334a6a9d06be22e64e
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90