← The evidence ledger
Evidence row 3101910
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:287168
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1e01ba58a2f0e3db84d42ac4f6a653b3ba6a5c709f245dd83accd40d9ca14360
- Leaf
- 0x40f16759b8ac4bd105639745595d02538dd3938158aafa9fed6f558bab0d9003
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/mVWP7g"
],
[
"a2a",
"https://centralcity.ai/a2a/e4709665-0117-4fc7-8218-25bccfb890bf/.well-known/agent-card.json"
]
],
"name": "Piavisto",
"owner_address": "0x3cdb8d6071c14c545d411cc9a75a4bd51a3e5e5e",
"raw": {
"agent_id": "287168",
"agent_uri": "https://centralcity.ai/a/mVWP7g",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Piavisto 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/mVWP7g",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Piavisto",
"registrations": [
{
"agentId": 287168,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/e4709665-0117-4fc7-8218-25bccfb890bf/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/mVWP7g",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793822993,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T20:11:42Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Piavisto 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/mVWP7g"
}What the leaf hashes
{"body":"1e01ba58a2f0e3db84d42ac4f6a653b3ba6a5c709f245dd83accd40d9ca14360","id":3101910,"kind":"listing","method":"sync.erc8004/1","observed_us":1793823102816952,"prev":null,"subject":"erc8004:5042:287168","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x40f14bc7fce3dd6da8ad37a29cd0823b2d5d67ee4edc1975c2b5f3b91a5c7129
- 0xb7213e2f54ce0ff30c2f28e935c94697ba31d6621fbd4400373aee8816b31104
- 0x8f31eddcd67ee25e407eadda0c04471c867e6d1a53327c095068b051948cc177
- 0x5107356ff2da4fb0e96da0d7d007452798d78dc88e0103cea687a0383302308c
- 0x5852e6484cd70a1770dbe04f0872561e1e42a207854f8c731fb29868e2a7777d
- 0x07e8fcd225fe82c025600a14726f233d38aa2777e69e497ad13a7e49c20bdba1
- 0xfeddf749573a2850b8075818eb70ee4a8dfc9341739bbd71c7035127ef5a3677
- 0x0014e796ae2fa121426ecf92f7201bebab8593866f279d3badec5b873c687d7c
- 0xb0a53b9ba5695575da8ea8c779ed72513ee74a0ad784dc77b7813196d0d8ad6c
- 0xed6ccdff7f36cbe25c5fef3aa389586cd73217dd9cb84fedde638597000333d1
- 0x326b9880aef85057abcfcc400fc487744e0a9604da3393f0ba51bd705b27c8cb
- 0x8707e7149303c2902868b4efcd9d3c318889719fa2149257ec17747977b14ff6
- 0xc891f2c456a44ccf48c1194eaebc9fc84069eb5884bdb601396da034c0b1df27
- 0x3775ac98947ea3444f8e9066b97ed6d5e0ed4bfd990afc8683a340b7b187697f
- 0x0e7da910ed6633cc83110a62e4cfaf050cec994a935be0ff6262890125f0d2d8
- 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
- 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345