Evidence row 1819570

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/13Ylqg"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d6e18fc9-1a41-4321-b25e-c1897668f95f/.well-known/agent-card.json"
    ]
  ],
  "name": "Sassevert",
  "owner_address": "0xac6ef4d56e51d31662724dcbe7f1eea6f979af6f",
  "raw": {
    "agent_id": "22377",
    "agent_uri": "https://centralcity.ai/a/13Ylqg",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sassevert 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/13Ylqg",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sassevert",
      "registrations": [
        {
          "agentId": 22377,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d6e18fc9-1a41-4321-b25e-c1897668f95f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/13Ylqg",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563199,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:01:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sassevert 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/13Ylqg"
}

What the leaf hashes

{"body":"8e9c25f8018c2904a69d29188249cfabfd99c3cd8436fad2d0b82a63de3cddf0","id":1819570,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563261525867,"prev":null,"subject":"erc8004:5042:22377","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. 0x2f6756b18ae41730fb447eb7c6152d11d60eb7f9d61ff081b7f271fde4d990e9
2. 0x9c8c9565513b288ab644c66919867f89d78d5209781d2ee9e087a7b122989b99
3. 0x8119c1179e22e8a57c10ce36109827e3fa26c758180bb36256da9503fb95a5da
4. 0x0b4872ec3c0e2ef89f33c0c82475031ac0c94faf01629aa95077cfcee98b1ae2
5. 0xfb072f25630bc948fe120e4eca9780e0846aef69298e38e80d2a56315bb7104e
6. 0x15dc3711905f3122badb2eeb71bd1b07f48decb0649c9749c78f6ab013d2e876
7. 0xe2d0ad30a841422a4ca84ccd7fd5565dcd7441cdf40fd498bd09da824af12a84
8. 0xe08bd4936636a94c851cb877df9e1524ff61a2c142f8c7cd32f9ad1bf1c44ae5
9. 0xd7344d99e395b5b0974fdb6b42cc77e77c9063f483e7afd91829dde7134b76e5
10. 0xae50af4a56f4cff4fb135a0a3e8005ec43651ed3c371825e7222b23e93aab191
11. 0x2c1d747ff99cf0d46f04bed85bde87e536638b3d122eda44362d384f20cb0677
12. 0xd926a6f4439f955816eb332eb7f9515d07f60810bf60ef34b3a3d684316d3356
13. 0x0112f1cf16780e57f3e96886bf4fa05aa46598025dc9396eb1cbe8b1dcdffd9f
14. 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90