Pith Number

pith:NQWFPPLZ

pith:2022:NQWFPPLZVY3TOMNJOCE3A4X5CX

not attested not anchored not stored refs pending

Sludge for Good: Slowing and Imposing Costs on Cyber Attackers

Douglas Hough, Jamie Met, Josiah Dykstra, Kelly Shortridge

arxiv:2211.16626 v1 · 2022-11-29 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQWFPPLZVY3TOMNJOCE3A4X5CX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Defending Against Intelligent Attackers at Large Scales

Receipt and verification

First computed	2026-07-05T05:21:09.013126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2c57bd79ae373731a97089b072fd15d43a776201bbb906484d7d8def429523

Aliases

arxiv: 2211.16626 · arxiv_version: 2211.16626v1 · doi: 10.48550/arxiv.2211.16626 · pith_short_12: NQWFPPLZVY3T · pith_short_16: NQWFPPLZVY3TOMNJ · pith_short_8: NQWFPPLZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NQWFPPLZVY3TOMNJOCE3A4X5CX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6c2c57bd79ae373731a97089b072fd15d43a776201bbb906484d7d8def429523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27895e79fd6e822e42ffda022b745ca1893c4901ed4e762d03d9e7ef907425f2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-11-29T23:11:25Z",
    "title_canon_sha256": "7dd1893a2adb01486968f081be5c9c10761a102d0c777d66c9c63ec31a219a22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.16626",
    "kind": "arxiv",
    "version": 1
  }
}