← The evidence ledger
Evidence row 2514730
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:154414
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ffa22f796edcec05c69b853f689962d1e70157b1b9f36edaa94ab51a094417ea
- Leaf
- 0x7804ca5304e645343ae2a63492c455f0c04d15378bd3901309b35bc1cc176d2d
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Chkb8y"
],
[
"a2a",
"https://centralcity.ai/a2a/f93a7286-779c-40dd-b96b-863e3bd89584/.well-known/agent-card.json"
]
],
"name": "Grossero",
"owner_address": "0x3d2b33b7868cdf8166e0502e3f4e896421e8a2ae",
"raw": {
"agent_id": "154414",
"agent_uri": "https://centralcity.ai/a/Chkb8y",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grossero 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/Chkb8y",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grossero",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/f93a7286-779c-40dd-b96b-863e3bd89584/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Chkb8y",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T03:28:13Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grossero 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/Chkb8y"
}What the leaf hashes
{"body":"ffa22f796edcec05c69b853f689962d1e70157b1b9f36edaa94ab51a094417ea","id":2514730,"kind":"listing","method":"sync.erc8004/1","observed_us":1793676493783404,"prev":null,"subject":"erc8004:5042:154414","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).
- 0x7804c5fa7aba5c1ee38f0f3ab1e4e2ececc52ab84b799dbc6670a91052eeab2e
- 0xe45aeff66daa6789c46909b434f5a9885cbf5874bf3bae73c6d0fe13e088c9d6
- 0x02ad400fe8fac617494a6629176a75307e80c1b8557a7208c4d391c11392ffb4
- 0xe0245c300b1ec26f6ee76d8b8c60576154317f7aad061af894596f9fdf96c4f2
- 0x35ec38f2a7d9865e700bf5a1204160e6a019275b4f86674a1187d5251a90722c
- 0x267ebfeab875792bba6b9e296dd25c5c5cae192356e0e81fe07c9d33e61e2e59
- 0x10927835b51ca48ec7d98a26d1f546106bd011f26ce293eeed6d02f2311a70bf
- 0xabdc517745702dbe4944882986e8034740be3e7785068506151dcd7ba670763b
- 0x64b78de149e2682f0ed98c597e82dd7b574b5be88a6b0870bd1d18a088e14df0
- 0xfcd28831a20962ff71c4f7f689abf377b49d9cab14cee8f99613725f28840e79
- 0x4a7e67fbc7c81056b8b33c4ff29c49d8671f362a7221c4302608f96ef2564085
- 0xdcd18530fb3d3cd878e9cf5ba1075081713696f9d6d47b6c8f01ed75aeeafcd6
- 0x276dacad1f390f5977f95336e789bde7e7fd04ac932e79c2603c87496f39bf4c
- 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
- 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7