← The evidence ledger
Evidence row 2160799
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:106040
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2fca2ed11a7920bdacc31483bb761f9a5fefd6d4cc271f0ca7fffb91b9f8bec4
- Leaf
- 0x452c04f74ae8626248677752e3a7605eba382ca8f81181f36345e7364705de49
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/dIWEEe"
],
[
"a2a",
"https://centralcity.ai/a2a/a3f94f4b-d561-4f5a-95b4-8bfdeec2dfc7/.well-known/agent-card.json"
]
],
"name": "Massus",
"owner_address": "0xcd75996a7b0f1dcf09a38553e401717ad0379fe0",
"raw": {
"agent_id": "106040",
"agent_uri": "https://centralcity.ai/a/dIWEEe",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Massus 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/dIWEEe",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Massus",
"registrations": [
{
"agentId": 106040,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a3f94f4b-d561-4f5a-95b4-8bfdeec2dfc7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/dIWEEe",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793631509,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T15:03:08Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Massus 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/dIWEEe"
}What the leaf hashes
{"body":"2fca2ed11a7920bdacc31483bb761f9a5fefd6d4cc271f0ca7fffb91b9f8bec4","id":2160799,"kind":"listing","method":"sync.erc8004/1","observed_us":1793631788097156,"prev":null,"subject":"erc8004:5042:106040","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).
- 0x452c1e8c103d0c75a6991a44dd61af1adb65a98a6b8ba6c8c05f9e6d9721c5de
- 0x96e5796d8a16b0adc8652c9c43ff84d4f310b6054c885b7074f65fb8e019f89f
- 0xa03619d554f28962807191099282d7eee174b31ba29de8382c33d1556010840d
- 0xca41308cd472012288fa4c2386afa9d8599063ff0f7084b2f53d03d7e4860e67
- 0xc1b503b3c249e7d48b9eaaaf61d99a50971a9db1eee506b8d0619e952cf37d15
- 0x5aaabba430cc2a6343973d6f07e812b70ca4a1ce1e9d71b5581b9cafdc4a5fd4
- 0x3a3d6a7d431577e7e3cd9119c0944ca8690b635ff0556b61117a994dd3c28064
- 0xe47c31ad86a7f03df9e5ea227ea18257f028a84d4400ecd868bad59f7d3007b3
- 0xa021498050c13f1f079590ea28d364f6243d7cbe820483e7a551ae3d3a3cc665
- 0x2eeeb9f542994972c74bc63cb9f9db2f3b9219e4a1cea935907b6285518b9d1c
- 0x9040b371d5950f0b54a05e134d8f1bf0ff2907815c22cb8410a554cb7410197b
- 0xbc7027b08c105107379103e4bb6da46cb151f2ad9354e23245ef7a2991eacef7
- 0x95a273bb8932dab7d9961e32e3d3be866bd51e98c7772b268db2595e5869b5c4
- 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
- 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af