attester.dev

1 observations recorded. Last observed 4 September 2026. status: active

As advertised

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

url: https://attester.dev/v1/package/exists
hostname: attester.dev
operator: API-existence Oracle: package
capability: Deterministic package existence for PyPI and npm, built from real published artifacts (never LLM guesses). Negative answers and typosquat-adjacency flags carry signed proof. $0.002 USDC per check.
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.

date	amount, USD	quoted amount	asset	provenance
4 September 2026	$0.00	2000	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	provenance: recorded

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

observed at	status	ttfb, ms	total, ms	cost, USD	sha256 of body	evidence
2026-09-04T11:42:11Z	402	2472.95	2473.96	0.00	8fad1f939a98b94e202debdc56d5f0a73893c76cd73cd4428614b9ccde33d3f9	not yet stored

An error in this record can be corrected. Write to disputes@crosspeel.com with the endpoint URL and what you believe is inaccurate.