← The evidence ledger
Evidence row 2557158
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:171809
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e3d44c98891f71108ec506bca0b0f4d8ab5d026874341e7d4629b9df954d2ccb
- Leaf
- 0x9340c1bf01e258a2aad405ea8a473530ee240f51703bf92f186bb23c4a62255b
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/m27spB"
],
[
"a2a",
"https://centralcity.ai/a2a/dd3e863c-fbc5-4571-a389-920e9cd96be1/.well-known/agent-card.json"
]
],
"name": "Nista",
"owner_address": "0xb699f1a536a3d10608a8671cf9cd20ddc2edaf41",
"raw": {
"agent_id": "171809",
"agent_uri": "https://centralcity.ai/a/m27spB",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nista 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/m27spB",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nista",
"registrations": [
{
"agentId": 171809,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/dd3e863c-fbc5-4571-a389-920e9cd96be1/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/m27spB",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793696322,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T09:03:18Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nista 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/m27spB"
}What the leaf hashes
{"body":"e3d44c98891f71108ec506bca0b0f4d8ab5d026874341e7d4629b9df954d2ccb","id":2557158,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696598832927,"prev":null,"subject":"erc8004:5042:171809","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).
- 0x9340d1296c6d6070c4d1402fc22196572ddf654e8c7c2d88869b3de22d4c53f4
- 0x2d44a786d64af71eeb383ffcd24100c7ed154069f4fec9df00054236654a55fa
- 0xe21af269733491d5aba2e4f8d0e63145a9c119d6297d8d139c9a1eccfd2c1977
- 0x21beb0225effb41e4ea3a1976d2200e5d0362127aea38aa62eaa76c891a141bc
- 0x355c84cc2272165b5093549fec033548f6eaeeaf982128d751bd01282eb84495
- 0x45b1e43c914a27589d2e0a3f9cbed4932739a863ca734b568a591ccbdd3b5a20
- 0x849f69361f479fa78612a72d5378248fcf4fbd79b5b44f4c671f853b84338d88
- 0x48a4034729e4fd2d1be22fe5823906cd56cca87896366fd2368454c8c1b29e31
- 0xfe5212aad295fe112f6ef36c84b619e348053f7916b4d828a91f0cac18ed54bc
- 0xed8b7f9590c975e70b78dfda60d70d72c223588c5481342e03a1d6104f1a98b0
- 0xfeb6811a83b1e58d59e8f463eb913ca2849dbbf94963c1fdfb33ad08f9328650
- 0xe1d6940f7d736226f6d22cb39e19695626f7cd8998d791b119cf8071440eaa43
- 0x6040c146b0a58fb121a68788fa6a286b0f823db9b8a7ff3ddb8ad831db1c9a29
- 0x7f1a60c8109f6f6bf295c743742bf48233a7f558ad73afd2115ffc0eb4e5400f
- 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
- 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7