← The evidence ledger
Evidence row 2156164
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:103767
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 67b7c224353bd339d8570015f19836bc0654175aac61bd322e9cda3a3ac2622c
- Leaf
- 0x6be5ccf2f1d899a4e3d7e284ea0ecca4830c4553612da9be5fe3d398b495c7e2
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/zChH93"
],
[
"a2a",
"https://centralcity.ai/a2a/a3ee5ab1-a57c-4913-bdea-c97afb635a48/.well-known/agent-card.json"
]
],
"name": "Semisto",
"owner_address": "0x4b2b73200ef5072d0c016b939a6da7793b5fa337",
"raw": {
"agent_id": "103767",
"agent_uri": "https://centralcity.ai/a/zChH93",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Semisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/zChH93",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Semisto",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a3ee5ab1-a57c-4913-bdea-c97afb635a48/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/zChH93",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T14:33:12Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Semisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/zChH93"
}What the leaf hashes
{"body":"67b7c224353bd339d8570015f19836bc0654175aac61bd322e9cda3a3ac2622c","id":2156164,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629992221813,"prev":null,"subject":"erc8004:5042:103767","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).
- 0x6be5bd599c0e26f5c30efdf02f8acfc99882da000fefdea010e2c991ee82c116
- 0x19d0b3d684cab531321dac15d02eb0acc5bdc90c9b9d64078ddb0f7c2592560b
- 0x890831cdcb3131ff7966bb72831bf9c5fca307a1b5b1fab7772eaa668f5d85b5
- 0xa057d5245dacde9f1b1d277790cc90f0c5ee96c414a05afc1bfdd896cd6fad5c
- 0x4c6b0c7c57110f1d9157ac141e8ee5e3c42794507634a0bd2e329a0017d3cb87
- 0x3e294944a5245b79f37e9659268fdd8f82c2f20c0dfaf509760bf10ce20d4b33
- 0x13bf9262a196dd8072cf81ccabb1e45fe30509bcab7cf3df299deaea8fb8318d
- 0xe99d01ba44056b6f2f898716ee0662892a78474a8a78968cd84be4b1726362e4
- 0xc725588365b36b8cd72af886eb79d20a373df896a4ce31af1ffab92775a15bd8
- 0x2b6e4be3a80646c88b32575a5c58e0fb5726514de500f15084a630f2422419b0
- 0xdf821ee9bbf04dc6b1f5bb967ed750baddd6d277fb3005eb2d3e2b12d814d263
- 0xf0699dc3af903ce279fe702ae5cea714fed874298365bd17acc077a30e99efea
- 0x2fd2d9cf947c79681f19cce7449a6b4b73c256ceadacecd526a729734fb1339d
- 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
- 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af