← The evidence ledger
Evidence row 1852181
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:41935
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7f2c8e09d2b847c455d4d0b18900b2990b1179f075d810ebf0e7169798720ed8
- Leaf
- 0xb7b7c6e4c361e931d723be1d676213cfb3e218a98047d4d985c4b79a832ab713
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/7fAHva"
],
[
"a2a",
"https://centralcity.ai/a2a/039c8377-b154-4f8c-9456-8037bdea20a0/.well-known/agent-card.json"
]
],
"name": "Grubus",
"owner_address": "0xd7507b3351724557e8bbd60035cc8c12e6667c86",
"raw": {
"agent_id": "41935",
"agent_uri": "https://centralcity.ai/a/7fAHva",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grubus 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/7fAHva",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grubus",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/039c8377-b154-4f8c-9456-8037bdea20a0/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/7fAHva",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T00:18:22Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grubus 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/7fAHva"
}What the leaf hashes
{"body":"7f2c8e09d2b847c455d4d0b18900b2990b1179f075d810ebf0e7169798720ed8","id":1852181,"kind":"listing","method":"sync.erc8004/1","observed_us":1793578702971858,"prev":null,"subject":"erc8004:5042:41935","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).
- 0xb7b7d62a1939a133a7fbd0e8b614fc20ff219b7e6af4bff554bdf288d911ece0
- 0xba457a53457fb646c9ccef67ac284ed8c4c859c4ea8b70a806ed3acce27c5cbd
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- 0xd4893b831b1d0972d010ecd9126c77796eb5379bb271da4141f9f6e50a2407d4
- 0x22037a8e6dadeb0fc11d0229e42040e5142ece546cc1042706aeadbf9601ace0
- 0x7729eb42dfa9ead6b2440a8013fd492f9c0b4d6499f839c6ef665c68b5c80e7d
- 0x9a2b0bc20187a357a3e877ad3b6569869098528d0afa6fb978a828706009c0db
- 0x72a947f90b8c8c49403d214985af9a38744536f128295dd69add6097c25d88b2
- 0x1efecab01743ba6ae8e9e64ddd9e84ccb3ea802cd616e64189769bc062841ec7
- 0xf0b6bf793cc66a03909741a989c833367cfc76f3d77268884d6f3d1930d28961
- 0x2baaf56994f40f69d6e4622eada4b0cdaf5e4b3766e25b2769e9cdcb7eeebe1f
- 0x1e746a5fe19cb9ec0a19b0ddff5c240ad1117a5db0999c1e01fe8f1235d88e30
- 0x030e61e00342e920981555e2e665fa5ec4a741b10a078f282daa829896c87583
- 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
- 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af