← The evidence ledger
Evidence row 1834640
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:31411
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fb5be2aab9fc33caf0cc421e02a906a8d6bdf53afdeb275c09f9a590ce4fee86
- Leaf
- 0xe22f0b3aa5626237bcc958421b9caaa9585cbeae93a5e6304c3c7dc8f693740c
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/yRTDOV"
],
[
"a2a",
"https://centralcity.ai/a2a/90512daf-2ad9-4771-9f4a-2d11ff75bb8a/.well-known/agent-card.json"
]
],
"name": "Simpero",
"owner_address": "0x4a1d43ed3a2d661fcfc5864ddde2ae365b4c3a51",
"raw": {
"agent_id": "31411",
"agent_uri": "https://centralcity.ai/a/yRTDOV",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Simpero 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/yRTDOV",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Simpero",
"registrations": [
{
"agentId": 31411,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/90512daf-2ad9-4771-9f4a-2d11ff75bb8a/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/yRTDOV",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793570461,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T22:06:23Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Simpero 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/yRTDOV"
}What the leaf hashes
{"body":"fb5be2aab9fc33caf0cc421e02a906a8d6bdf53afdeb275c09f9a590ce4fee86","id":1834640,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570783324735,"prev":null,"subject":"erc8004:5042:31411","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xe22f058eb81a8ceadd84ce1d3c9ddf1e75740579bb44f612bd918e8ad4f34e2e
- 0x559633c9c77b5a06dd7e01c161309747acd4ac797493e7237d214c5784855304
- 0xa418ef365e284240f11b3d7b24daf2a0f767bb4221c114e1808e2572b16cb14d
- 0x04093ff6a8a41d22daf7ec6a79f2a1278e177767507c9f277d304f1ad9a40a09
- 0x0bfe68933f50d79fd1d1f81b74ddce493711d1ce703bd7466f8b2759b010cc00
- 0x98041a8879d2647bc8cbd33e775148e3113b657783f289c5bf4c806dff5a6c8d
- 0x843f421e7501c76723e3c0ee9bf66ae6493d3585401acdc491b46263143e3dcd
- 0xccf4795bd4b37bb413077bd1c4ec852d418f2b7aeab3cdc925b49e10d3d6e159
- 0x19b409ef30031d94305f2fcb0db0e0ae75e8f3cc8eddf81faa0caedd08521e84
- 0x2edf5b9efbd21125243de401bf862edc8f1e9a9dc122878de442f7b20cae25ba
- 0xe8c5447d4f978f8c641bdf6bc7ede20cfa92948c1bae8613c6db227fa9118e99
- 0xe7fd38eb5836ea92b3c740bc2f5fb1653bb77910129fc628b2af73e09c327a44
- 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
- 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
- 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
- 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
- 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90