← The evidence ledger
Evidence row 2042073
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:54029
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- dc15b3039a417d4680253930e23507df0e6093dd52134782039deed8efbd3fd3
- Leaf
- 0xb38e87d224c92d2ad60d962520280935b7b4ee9f454eefa07b42ebc35c8d55c8
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/PiC09X"
],
[
"a2a",
"https://centralcity.ai/a2a/e629b2a7-aa8a-409d-a8b7-a4288c4bfb41/.well-known/agent-card.json"
]
],
"name": "Vansan",
"owner_address": "0xfd8056bb23e989a8e86d0eb839a4115f12e909ec",
"raw": {
"agent_id": "54029",
"agent_uri": "https://centralcity.ai/a/PiC09X",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Vansan 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/PiC09X",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Vansan",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e629b2a7-aa8a-409d-a8b7-a4288c4bfb41/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/PiC09X",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T03:00:37Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Vansan 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/PiC09X"
}What the leaf hashes
{"body":"dc15b3039a417d4680253930e23507df0e6093dd52134782039deed8efbd3fd3","id":2042073,"kind":"listing","method":"sync.erc8004/1","observed_us":1793588437384997,"prev":null,"subject":"erc8004:5042:54029","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).
- 0xb38ea7cdd8e9da2669e4ba43523124d0f3f7c714e7a95d64d38383691075817d
- 0x3691b67a6daebb2d13c911e465a3428a13d5254343c00156712b03148109bafe
- 0x24aa573f70139b84e6cbcd6fc53fd227ff66cbc7663e75a0ff7f1ca24a65dff7
- 0x6b63b753cdcd1ff169817c5031b27d6215999e2583ea9bac96efedc918a5d53b
- 0xa06b927f01a4201493783fcd96deabaa1774953ff6968639fa6aeb410ae486dd
- 0x97d816d9474f3843924958232e709e4a448dd03ea0f84f5f8ca49c72d24a4580
- 0x21c07202d790f597cee2d7d764cf05333d75b7a73825ee14a1db8afa58ee4827
- 0x5a18f5330bf479c26cc87d2272903a7282c07a221e76b9863c821eedff881b7d
- 0x68df0b9ab00f5e656ee1c5574edc70fba6aa6ec4c61f5fdfcabdadb302bc28ff
- 0xc4531115743e10cfe807708de1a9d8844c7aff5ae2867969f9b826235e272b0c
- 0x3d936bbe0e752d535f9e93fbd9c9a8e9f48bd07731621d6903f9ddc4201a8ee0
- 0x21e290c87b8dfbee1c890c9b97a09ed0f5503884eaeabff86472db1c091c14cd
- 0x8f3b097427a1bfae26e9231cb5b00552011a27ad93aa4c0d3e267190fcbbb962
- 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
- 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af