ScriptMasterLabs.com · x402 Directory
Adler-32
Resource: https://checksum.openverbs.com/v1/adler32 · Directory page generated 2026-11-05T01:27:50.309Z from live sources.
The facts, as last reported 2026-11-05T01:25:24.832Z: this resource answers x402 payment challenges at 0.002 USDC on Base (exact), pay to 0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A. It is reported by Coinbase CDP and its directory state is live.
What it does
Adler-32 checksum (as used by zlib) over the input payload. Faster than CRC-32 but weaker for short inputs. Returns the checksum as an unsigned integer and 8-digit hex. Non-cryptographic.
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0022000 atomic | 0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-05T01:25:24.832Z |
| Settlement recency | listing last updated 2026-11-05T01:04:26.958Z at its source |
| Freshness | live — last reported 2026-11-05T01:25:24.832Z, listing last updated at source 2026-11-05T01:04:26.958Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
| Tags | adler32 checksum, calculate adler32, zlib checksum, adler32 api, fast data checksum |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://checksum.openverbs.com/v1/adler32"
Pay it with any x402 client on Base. Networks: Base