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Evidence row 3123511

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:288692
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
79882ce622f881c04f5dc4f6c175b60450d6ef7e805653f3545336166712b824
Leaf
0xe9c34ac21be56cc0a3a5eb5c9b30df7c69e86e2244fab3d7a6c602b88262ac0f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/eMA1sn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4285c87f-ca52-4c7c-a5ca-1a52bc578cf3/.well-known/agent-card.json"
    ]
  ],
  "name": "Piasa",
  "owner_address": "0xa94c672c6d46c50f7fe2eea7d691e5f353bb60e8",
  "raw": {
    "agent_id": "288692",
    "agent_uri": "https://centralcity.ai/a/eMA1sn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piasa 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/eMA1sn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piasa",
      "registrations": [
        {
          "agentId": 288692,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4285c87f-ca52-4c7c-a5ca-1a52bc578cf3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/eMA1sn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793823897,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T20:32:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piasa 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/eMA1sn"
}

What the leaf hashes

{"body":"79882ce622f881c04f5dc4f6c175b60450d6ef7e805653f3545336166712b824","id":3123511,"kind":"listing","method":"sync.erc8004/1","observed_us":1793824372491537,"prev":null,"subject":"erc8004:5042:288692","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xe9c34cd9070a98ed07e974d663b54681fb504cb25b45f377cf5a4e180d9af607
  2. 0x7fd5abdaab6fdf78d196fb06a1ef10fb6960beff54a54e4d3b159f83065df00d
  3. 0x97546a8f6fa6996864e1d4fcde4d6760704f461eebd932755e5689a600732971
  4. 0x81aed0cbd4bef281ce197462278b88dec6c9eaeba4e052beeedd72b0a232d426
  5. 0x19d34a78661ed1f9d04f5655e3e4d34b27082d928dbaf34f9026dcbf5c0e822c
  6. 0xf24461415059eacdd2bf6e024e8b818e99428ce3488a054fbf28fee2b0b32095
  7. 0x52bae59b44b49949cf9a28cce0167c04e9b139e7422b990592a6ae21c8e2ec68
  8. 0xce7d84ac2e0c4c3571c097d74b0541e37cef9ace723fae8f6842b9ae1bb50020
  9. 0xb996ecfdd5a3a11dcdcfe319d5ee1d9e9e5c518efb4566d454232e04a80cab19
  10. 0xdfa75ae589ad7a6efa1aefd0764659e1c389768ada65fbaf9ad4f3e6ce91d04a
  11. 0xe9b4d09e862da7947f24b1cf7b03d4acd406a8966c75966a3618c43395ede611
  12. 0x35a68482615943b4c7ebcc044dee720a9c1d96804ea341fb9b4408e3622afb3c
  13. 0x1cd766c91b1467922177ac33f992bcfdcafb73d52682ea0fbd2c84678bfa48ef
  14. 0x720853aef9bb54958fccfafa52cacf2b40b59e996a29e903a7d00c64b308933e
  15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
  16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON