← The evidence ledger
Evidence row 2274820
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:130986
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1f52753ecec7fea9880a6b91f1f3490cbde9dfb6a4930ab7ee2ff5b219e40545
- Leaf
- 0xca23aec8bf0ec9e485c2e11d6633d4a0815fea3f699d49c96c58f43b14e5167f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/H2omT8"
],
[
"a2a",
"https://centralcity.ai/a2a/5ab5b998-196f-4c9a-a942-3c4d20b63b1e/.well-known/agent-card.json"
]
],
"name": "Bionsias",
"owner_address": "0xc2c8301695df16799e0b6db726d39ca63ec8e377",
"raw": {
"agent_id": "130986",
"agent_uri": "https://centralcity.ai/a/H2omT8",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Bionsias 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/H2omT8",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Bionsias",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/5ab5b998-196f-4c9a-a942-3c4d20b63b1e/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/H2omT8",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T20:31:18Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Bionsias 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/H2omT8"
}What the leaf hashes
{"body":"1f52753ecec7fea9880a6b91f1f3490cbde9dfb6a4930ab7ee2ff5b219e40545","id":2274820,"kind":"listing","method":"sync.erc8004/1","observed_us":1793651478323254,"prev":null,"subject":"erc8004:5042:130986","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).
- 0xca23f00ae88de743c2d8034a8f619e5bba7dd8806134c27b9620a0785ff1dd36
- 0xadb5141db82961c186dbc345443b408474f0b1837b8426dc81272100ba09c8a0
- 0x95eed4d28ca808d569a23a31952a6a5b56cbc84b7c5d266202610d6f43b06241
- 0x58124eba21f8bab51e4be855a83a311fba61a7780c1755a710e137089b8859fb
- 0x6ad0999defbba7825b251e83a69097f7d317e2e8fb9753eca0f3ce86daff3830
- 0xf53fbf0f6a6cb7f04d375bc58ffc79e0cfba530ff49bbff780c88b2c2189263f
- 0xfa7dc5d98933be4813dea325a40c0b39748fb75d823d0f6da27ad75ed5a5cdac
- 0xb7bf5455b486e837117daffcc7c1476adbcf901fc4c25aed5c61287fd1ab1609
- 0x0dc8874b7117e33434f7df7c1e0fa6c432169619220742198a36bd8eae7707bc
- 0xaf4cd5cd4f2a3cb0c8fff7680df55a350bc183b1fb3873871423f48e64851963
- 0xda321c352d57d3c39914ad0ea3b03e0fb6dfda8c5c7155f45610ad22165bf1f6
- 0x89421afe101858fcb12a0b85122bd84839dc9c5772685837be305f90d15dfb5d
- 0x0c0f15fae9c65ebf110db9a83b92aa128ce387de0137888a7863d81f3567dc04
- 0xdfd116d725e076b0e3bd74ff5682dfe6834735313673c580d2e58972567174a0
- 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af