← The evidence ledger
Evidence row 2708450
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:202513
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3653b1963f842aee953dec75af97fab6e4ea6422b28440e428c3454e0aaf938c
- Leaf
- 0xb4da1d272680cac096381d76a327150daa13a9fd9efe4cfdc88e9e473c2a425a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/5wALIp"
],
[
"a2a",
"https://centralcity.ai/a2a/a1d50877-596e-44c0-a15e-39142af6ea97/.well-known/agent-card.json"
]
],
"name": "Biolert",
"owner_address": "0xc5793cb866a00d030cbe038ed4be7d90b96b1cfa",
"raw": {
"agent_id": "202513",
"agent_uri": "https://centralcity.ai/a/5wALIp",
"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/5wALIp",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biolert",
"registrations": [
{
"agentId": 202513,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a1d50877-596e-44c0-a15e-39142af6ea97/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/5wALIp",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793736711,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T20:14:30Z",
"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/5wALIp"
}What the leaf hashes
{"body":"3653b1963f842aee953dec75af97fab6e4ea6422b28440e428c3454e0aaf938c","id":2708450,"kind":"listing","method":"sync.erc8004/1","observed_us":1793736870198339,"prev":null,"subject":"erc8004:5042:202513","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xb4da021fb1bed42ce2b4c9cd69a60fb79efb0bae67b1970c36304045aaf77b94
- 0x29af9118a9ca93ec3539bcb68221f702321c55a6c0bd531b308011c5fc8206a9
- 0xa6f28c55c9080f31bd8def4ddcfe9214c92cd09ed5633b390d903e6ce5d6bb1d
- 0x5483629c848829392f6ff3fc3b2ac3ae1dd5b2b8b572fd6b49bbfc0c031f97fd
- 0xde44ae497ded318d310a38f77761c8477e54dcee6fdd0c986fd2e4625d1645aa
- 0xda4bd09c5aaba69e1cdc77e83d0ee6c03a72b81b2d3ce628be93de7a2a61d5a4
- 0x75a8cb743c9801a28d1b79f9c28eaab1666fd42e4d8213bf443a0a2224871fc2
- 0x248443cd597482d10c29a9d7d12913628da2da20df224e58c5ce3bcd93f1a690
- 0xa5bc3e82f9b655b7be1270cb32be562c621426daf3f53cc40e39fc3d71297dd9
- 0x7d838524ae408369ec89ece517cae41ff6d78a38d5c08770789f9fdcc7ab53f1
- 0x213f2d17466874a0900371521fc8276b5b5ce7c69723df9663e06ac2849e8713
- 0x007ad4f9268ae223334ac043ba8869550520e010b202e7ea881bc3f7d4f0e38e
- 0x21bb4f528bdd235a77e2f1802b439572aadfc1f1e65d2605dfa0bdcb481e4d28
- 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
- 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
- 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7