← The evidence ledger
Evidence row 1844309
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:37358
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- aa7e8e426d4c88868c6cc50bb80032cf0550bcbb7b17a3cd725912ad8698b742
- Leaf
- 0x0351b30a736c4beb1b00a7860f2165c5da38078091a4dacb34c7b671aa3918b7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/GxFP1P"
],
[
"a2a",
"https://centralcity.ai/a2a/fca25ea2-55b4-4e99-8cbc-898fb1f892b9/.well-known/agent-card.json"
]
],
"name": "Mastifo",
"owner_address": "0xc0f1fe1226788a7ed8bab0ceb11ed872c6caa1b9",
"raw": {
"agent_id": "37358",
"agent_uri": "https://centralcity.ai/a/GxFP1P",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Mastifo 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/GxFP1P",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Mastifo",
"registrations": [
{
"agentId": 37358,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/fca25ea2-55b4-4e99-8cbc-898fb1f892b9/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/GxFP1P",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793575219,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T23:20:28Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Mastifo 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/GxFP1P"
}What the leaf hashes
{"body":"aa7e8e426d4c88868c6cc50bb80032cf0550bcbb7b17a3cd725912ad8698b742","id":1844309,"kind":"listing","method":"sync.erc8004/1","observed_us":1793575228742237,"prev":null,"subject":"erc8004:5042:37358","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).
- 0x03522a96c5f4f71a6846bcabacc3d1025cb8801a8a735ac47a6d4bfa3c54f295
- 0x57cd0f495fa894eb408933218358f3a2695ea2a3f56cda5f791cb19558962df8
- 0xada0e73fc5908417205faa31ab2f69d3c6a04ee68615682a1828e3a22b381597
- 0x7dd6f3c18f684e0160141547c04f1acf468a532944911b0018412ad182a6bba8
- 0x82b90b753c2e840bbdfc0880e08c2deced8b04d56062cf01cafd2dcd0ef3237a
- 0x96e168a8e5ff0c65ea0bbe8d4e5ba18b345c53f6e8853c5f46cd696fb23e343c
- 0x9c54fa9214641e277313d01d5740500395c9698eaea3f0de63eaf0c9a67c23fb
- 0xe34b5ca48cd967c5372575008f24c1e020ce27f46c8d78b7641be644ac2f6025
- 0x1c1b62f419f2deb4f12657bccea4222784ac95726d2b37c415f1c6bfd4cad60b
- 0xb640ceea43d38b36501917f24df3366c4522f5e8159fde652df3b85da6c36bb2
- 0x49e2831021e4a7d499297b33257c1f9132ac1503483abf6ed50686435237c889
- 0x0a4934154defdcca31a0b6442fe83c13faf26d0232a42ab012e8b30a8f915341
- 0x79fedbe687b77b652992baee73ae63f11f5fdb524358706ec36fc4e8328df784
- 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
- 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
- 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90