hash-hmac.underscoredone.com

As advertised

Read from a directory and written down with its source and date. Not measured. provenance: recorded

url

https://hash-hmac.underscoredone.com/hash

hostname

hash-hmac.underscoredone.com

operator

Hashing, HMAC & Checksum Suite

capability

Give this API any text or binary data and it returns its fingerprint under whichever hash algorithms you choose - SHA-256, SHA-512, MD5, BLAKE2, CRC32 and more. It also signs data with a secret key (HMAC) and safely verifies whether an incoming signature matches, using a timing-safe comparison. Language models cannot hash: they emit a string of the right length and character set that is simply wrong, so every webhook check built on a guessed hash is silently broken.

capability tag

llm-inference

source directory

cdp-bazaar

Seen

first seen

4 September 2026 2026-09-04T11:24:51Z

last seen

4 September 2026 2026-09-04T11:24:51Z

current status

active

observations

1

observation cost, USD

$0.00

Price history

1 rows. 0 observed on a call Crosspeel made, 1 recorded from an advertised figure. The provenance column says which, on every row, and the two are never added together.

Cluster membership

This endpoint is not a member of any published cluster. That means either no match was found at the current threshold, or the observations behind a candidate match do not yet reach the depth the method requires. Neither is a statement about the endpoint. The thresholds are at /method.

Observations