← The evidence ledger
Evidence row 1826375
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:26602
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1b5053dbebdc7ff2a466dd8f28bd27a0e71fec5283eac41241219c61348e3c40
- Leaf
- 0xdef74bbf61dafc8346615328051c1a2d5fc08ff0567f42c50b6db7b8aedb2bd8
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/JF0HRw"
],
[
"a2a",
"https://centralcity.ai/a2a/fa149b2f-2232-4e41-9edc-6c7ce34e881d/.well-known/agent-card.json"
]
],
"name": "Havano",
"owner_address": "0x861d663a2996546cd29f03bc6793ee494ffb80e3",
"raw": {
"agent_id": "26602",
"agent_uri": "https://centralcity.ai/a/JF0HRw",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Havano 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/JF0HRw",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Havano",
"registrations": [
{
"agentId": 26602,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/fa149b2f-2232-4e41-9edc-6c7ce34e881d/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/JF0HRw",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793566615,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T20:58:44Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Havano 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/JF0HRw"
}What the leaf hashes
{"body":"1b5053dbebdc7ff2a466dd8f28bd27a0e71fec5283eac41241219c61348e3c40","id":1826375,"kind":"listing","method":"sync.erc8004/1","observed_us":1793566724240235,"prev":null,"subject":"erc8004:5042:26602","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).
- 0xdef745230659957f9084b0975c11e0be8a777258af856eb9cae17e6e6d104b39
- 0xe1bd8683461fad09ee7bf0c813f497de015b2327b288946b0b673386c14a8b18
- 0x5e559b82e85f048e75e8ad2de174c08cca3551b00b48b16a58288ffb334399c1
- 0x054e6879891f7562a06a14d12ac4b9f3c2eff9882853dafd617a2705f4601d9d
- 0xcfa954422684b41b0abe55144da3c2c3ddd694ded05da42aaa23baf2d7a4504c
- 0xb27a4a828a8efb68ae0f1995a1a7e3ffd82767637e4f0c15b37e6dcbe759483c
- 0x7b68312e9ac621299ca46d1cebc1fdc1245bd84139badc060199c7228c9626b4
- 0x67492c5c7e893ce147cc53bd00f6e945e645ca35ad6c6fced419f9a5d0819110
- 0x1c83b56cc10694b0c5788df106c34a0c853f8a425bc961d3d761fcd7a3947e41
- 0x8ce69d24ec08792d907a366b5ccfb33235e10a1dd54a40d61d530d773a49207a
- 0x7867fdd90ca6b2ae342b2e81daf9d935bffa20ee68cc5d30bde1159f1a13c955
- 0x611dcfe15d117484d1702ae24b6e3597433b35a0af5f331508e285f4b842d219
- 0xd1d3d18403c8d600bd2ffc7617196b7b7b40c9cc69bc89a55f9c3d8c58bd3cfd
- 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
- 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
- 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
- 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90