addrbookFor publishers
← The evidence ledger

Evidence row 2557788

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:172219
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1edda2c743bd2cfd59ff3b0dd611159a6ff5277264e4e65789da730aaa9fe21c
Leaf
0x07a0b0d6464a3fa654c34333ab1f1686c9cc8d40351108eced03e22a1da973aa

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/U79bBI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6106381f-031b-4b64-a6da-69c6c35691bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Noso",
  "owner_address": "0x9e53d0e03745f6573d785c11ea44a6544ddacce7",
  "raw": {
    "agent_id": "172219",
    "agent_uri": "https://centralcity.ai/a/U79bBI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Noso is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/U79bBI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Noso",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6106381f-031b-4b64-a6da-69c6c35691bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/U79bBI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Noso is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/U79bBI"
}

What the leaf hashes

{"body":"1edda2c743bd2cfd59ff3b0dd611159a6ff5277264e4e65789da730aaa9fe21c","id":2557788,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696935389687,"prev":null,"subject":"erc8004:5042:172219","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x07a0f8608d7890af37e2cb81cda9100ed23a6edcfc92d18f3d946b6127f4c7e4
  2. 0xb689a1332aa81729b83d18d20a4177be2d824c4611b3b9ea21e1d22916944eed
  3. 0x2bb137d79b3e03ef6cf6323778b89d35752dabb8c87a06e45afe0893669ee8df
  4. 0x9aab44a4f3affc2a017b6b5c3d209a91188c26a6e12de5367f7a97bd71a5c5e8
  5. 0xc37d9d6638a042ac164f49d3ccb6314eebf96e2dbfc98f3cdf416925e123083f
  6. 0x68480cb0e3d61d966623779f5e157d4c18301eda6587723fd4a53f3932f31e8f
  7. 0x232acd5f451cb8bc1bb51b440ce6a32030347aa7d7d72a8d1d2a525b2444a959
  8. 0xf1feafd4efdaa022b0b9377b075acc19b18420cb173da85d84a0f13ad6abe496
  9. 0xc7a61464d51d57a212242d47f8fe8cf5ddce1c6a51765c65d45f08cab27e6cda
  10. 0x741020a3f425af807542c06a6ce75c1c2d2210b8558f490c67e8946b8ef60e4a
  11. 0xa005443ddad7064f9f6b30b4de84dad237a6d82172e611bb9c3f13129cb8b32a
  12. 0xaca26b4858c092fa669d65992083ad40aad05d636d4c6901ba18a08d12754f74
  13. 0x394e8598ae2af6d79de9c7634464932da90d62d762702fa202424a45582a05df
  14. 0x93ab7dcb2777a66a8864a3266602159fa29a49683bf095a1ec2a005ab2d78703
  15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON