← The evidence ledger
Evidence row 2155913
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:103516
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4a3199a23db87713a28dd3db0cff9c361b57a95f2e3e644decb6e5932d062218
- Leaf
- 0x8009a3178fcdb2924d9e218a6d7a4c0b260ef5c7712c3babd3a58f2226e2497e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/eRdtDZ"
],
[
"a2a",
"https://centralcity.ai/a2a/8986efe9-59e3-4015-b279-45bea9be8963/.well-known/agent-card.json"
]
],
"name": "Trefino",
"owner_address": "0xfa132d76e01c6adaa754e9c7df57068767de4aad",
"raw": {
"agent_id": "103516",
"agent_uri": "https://centralcity.ai/a/eRdtDZ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Trefino 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/eRdtDZ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Trefino",
"registrations": [
{
"agentId": 103516,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/8986efe9-59e3-4015-b279-45bea9be8963/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/eRdtDZ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793629650,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T14:33:10Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Trefino 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/eRdtDZ"
}What the leaf hashes
{"body":"4a3199a23db87713a28dd3db0cff9c361b57a95f2e3e644decb6e5932d062218","id":2155913,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629990780819,"prev":null,"subject":"erc8004:5042:103516","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).
- 0x8009c4d87fb844e0f0954af8961c731788b19ddea173d23baf95959a43e7a79d
- 0x38260ff971ccce0c02189cd949c651d07fe806d0707e1e1c49a3434b81883917
- 0x3c45c5aaef1d6c7fc4ec59c57360648f9391f8054a1e0d6d7c0758283dcefa6d
- 0xee9ea7a685a45ad7ccf4942034484ec6811c1754906d63e3b8592d151313f14f
- 0x020131a2d7d90e829877a662fbee43d1b75415bda6c4675b3ce0d7526638bb3e
- 0x745318e13c823bbd464d476104b4bbc892b2d8270b79b301ca40f6f3dd2358b9
- 0xd1ce9c65240368b5d7fc4d1614c823cbb5b70298a76eeef53439631117928bc3
- 0x780cd056dc428ff611afc0df8f6139899e28f48b5cca93abd64d6e6dde90a2ee
- 0xcce872a9577a914164d8d84127f46afeeb00f4d7a445ec0eb801c4fe832221c6
- 0x68bd2c36701f6049a2f13f4bec145e601bc500af418acd86c417aaad9b0642ff
- 0x50bf2f84de7b53e5933e244004dac0d447346914337103a7d8bac4bfb694c60f
- 0x786080c17714171e1c289cf0aed18e1ab976b18ce2fac2a219a07d49aadcb6c7
- 0x6a06852e71057f53bcc6c658511dcfcda03ac93f8dd86e79a4db42c8e85677b9
- 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
- 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
- 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af