addrbookFor publishers
← The evidence ledger

Evidence row 2300108

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:141141
Recorded
Previous row
#2299452
Body SHA-256
23b3c1f1271b690c2843cfa86f341638622abe250eef51fc5298ed4fd083ed09
Leaf
0xf89da6ec93a0084e5b0cbfa9383fb313750148a141fa356380aecd1abadc3d45

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uD9BsG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6d95a27a-d2c3-4af0-9a36-72c0aa4bb11f/.well-known/agent-card.json"
    ]
  ],
  "name": "Tasa",
  "owner_address": "0xe146d25510bbf786a6ec50230f11603aa699f916",
  "raw": {
    "agent_id": "141141",
    "agent_uri": "https://centralcity.ai/a/uD9BsG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tasa 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/uD9BsG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tasa",
      "registrations": [
        {
          "agentId": 141141,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6d95a27a-d2c3-4af0-9a36-72c0aa4bb11f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uD9BsG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793661469,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:22:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tasa 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/uD9BsG"
}

What the leaf hashes

{"body":"23b3c1f1271b690c2843cfa86f341638622abe250eef51fc5298ed4fd083ed09","id":2300108,"kind":"listing","method":"sync.erc8004/1","observed_us":1793661747355856,"prev":2299452,"subject":"erc8004:5042:141141","subject_kind":"source_record"}

Proof

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

  1. 0xf89d994cdbdc107da9910b3d393252e0fe6c95e56b152afc07b6014195a2ed40
  2. 0xa3e5a7168cde2186b62e48180665e560816b8a88b8ad116f18f1419f70479960
  3. 0x811375f118b02b9833ab18fc91a98361cc9091dbdcacc64fb50a8dc5b97e0636
  4. 0xca61f45d948f6e2bd7be6442cd80646584ddc944373e247402b7206d35050046
  5. 0x2e3f24b70d366a9c370447edcf38847b16dd4f0fddf97f5a588416d008c3e041
  6. 0x29b91945972ed37551b2660a2d34cf5b9fd3635a16f3f361b51a22127985679e
  7. 0x9887c144a35d460768ae3095eb356ec06da793b39fe944e64a95b44408008a12
  8. 0xf8d4037242338a5d4b5ddf98daadc5068f4f415eb52b20e928439c1b02cbadc4
  9. 0xd5a7e136cfde4c240d07526c53093d241dba09519bc1c8cde4986c826127e58b
  10. 0xfce3416bffef0f471f607fc7a336c72330e526ae4aefd8d0f167055346b7b830
  11. 0x9cecd067699289d760f09c24dba05daf3af10f0a6cb66148495c244a2c70a83d
  12. 0x8a00eda7272b242a5d459dd311665f728d7901e563d49972ca46eaa90c1b6180
  13. 0x89a7b363610c665a6d371ca58d69c8f4bfe13c5c1cb1ef833fc373cf504e2e58
  14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
  15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
  16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON