Arkiv Mode
Arkiv mode is an alternative telemetry backend for units fitted with the LTE-M module. Instead of the Web3 Pi cloud, the UPS writes encrypted telemetry to the Arkiv Braga testnet — a tamper-evident, independently verifiable record of your device's power history. Ownership is bound to your crypto wallet, and only that wallet can decrypt the data — the panel server never holds the key.
MQTT is the recommended default
Arkiv mode is a niche option for audit and compliance use cases — it adds wallet management and gas costs. For day-to-day monitoring, stay in MQTT mode and use the web panel.
The device has its own on-chain wallet and pays gas (GLM) for every write, and it is the final authority on ownership: binding to your wallet must be physically confirmed on the UPS itself.
Enabling Arkiv Mode
- On the Home screen, hold LEFT for 2 s to open the menu, then select Network (see Display & Menu).
- Choose Mode, then ARKIV.
- The setting is saved and the LTE-M module reboots. Telemetry drops out for about 30 seconds; power to the Pi and battery backup are unaffected.
The mode persists across reboots, and the panel moves the device to its Arkiv Devices list automatically.
Claiming Your Device
An unclaimed device in Arkiv mode shows its ICCID and a 4-word claim code on the OLED. The code rotates every 15 minutes, so use the one currently displayed.

- In the panel, open Arkiv Devices → claim page and Connect Wallet.
- Enter the ICCID and the four claim-code words, then click Sign & submit claim. Your wallet prompts for two signatures; you pay the claim gas.
- The device verifies the claim and displays a 4-word owner fingerprint with a short checksum; the panel shows the identical string.
- Compare every word, in order. If they match, hold both buttons on the UPS for 5 seconds to confirm the binding.
The binding survives reboots; a factory reset (menu → Network → Reset) clears it.
Funding the Device Wallet
- Wallet → Address shows the device's address (alternating with a QR code); Wallet → Balance shows its current GLM balance.
- Send testnet GLM to that address. If the wallet runs dry, telemetry writes fail until you top it up — the panel warns you when the balance is low.
- Wallet → Regen generates a new device wallet, invalidating the existing identity and claim — only use it if you intend to re-claim the device.
What Works and Current Limitations
| Works today | Limitations |
|---|---|
| Encrypted telemetry every 30 s; decrypt in the panel via Unlock telemetry (one signature per session) | Braga is a testnet — there is no mainnet deployment |
| Remote commands from the panel — same command set as MQTT, one wallet signature each | Command acknowledgements may show as submitted on-chain rather than confirmed by device |
| Events and command history in the panel | Telemetry stops whenever the device wallet is unfunded |
| Owner-only privacy — nobody without your wallet can read the data | You need the owner wallet connected to view any telemetry |
Prefer running against your own infrastructure instead? See HTTP mode.