← The evidence ledger
Evidence row 2135116
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:94619
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4209eddaaad6e9b180daf951dedfd144545a9b44601afed32d4d1ad0884ae61a
- Leaf
- 0x54575354aa7a5fbc2f7215b5bd19bbeffb6249cb9f486e5c4e13a035d1823549
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/lu2o1q"
],
[
"a2a",
"https://centralcity.ai/a2a/771ec64b-935d-4a83-8f09-2ff3edac1c24/.well-known/agent-card.json"
]
],
"name": "Biolert",
"owner_address": "0xe035fd6ddddcca3ca7a11c910fe65e302aee41d0",
"raw": {
"agent_id": "94619",
"agent_uri": "https://centralcity.ai/a/lu2o1q",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biolert 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/lu2o1q",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biolert",
"registrations": [
{
"agentId": 94619,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/771ec64b-935d-4a83-8f09-2ff3edac1c24/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/lu2o1q",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793623069,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T12:39:00Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biolert 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/lu2o1q"
}What the leaf hashes
{"body":"4209eddaaad6e9b180daf951dedfd144545a9b44601afed32d4d1ad0884ae61a","id":2135116,"kind":"listing","method":"sync.erc8004/1","observed_us":1793623141000656,"prev":null,"subject":"erc8004:5042:94619","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).
- 0x54573b023057b4d2999aa2c640e816be5a4c6ed501889e828310ef050f4362ea
- 0xacd0e25affd2367d156fc23d635c2bed25609cbe1a6b54a77280f2877b55e5bc
- 0xf77fe012595f177b30309ce21f449551b4cb577fd310665149f61ca86176d256
- 0xd69fb464edaad0418c795b0d504783b672c690abee2fcc4ebeee46d35cd6bf7a
- 0x14195cf91e5f0a1e09cb72ce5d685c8bfab423189e4843a86902f96efd5f0952
- 0xd65b8104b824349308142f41f52ea054cb21f82a6d38d3b150219a02a757b0d4
- 0x42c024bcca576507c35a80d970f23078a8077e00cb4a4eb348937bceba45d72f
- 0x5575f216d3e425bf4b31e077b2fd2e669ba2c41fe77af39991059a93befae21d
- 0xd7fb0e0503d12125e8d5f0d928f50f83989db731d9d4aa573c1e38c8ac26c239
- 0xd4d74096ae20a1d6ed40e0bc0dc73c9e8588d139c29f136f320494eb8bacb285
- 0x1b998043e876fd85425377c36427d1094aba002159dbd3b99c90d8bb05324985
- 0x2f939f81b3d9a2b0b3675f2495202eecfcd0bc01d5caf387a09af7c46e8e7e6a
- 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
- 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
- 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af