Pith Number

pith:ECSA2J5F

pith:2019:ECSA2J5FDTLEFUQYOOFD2B33XD

not attested not anchored not stored refs pending

The CATS Hackathon: Creating and Refining Test Items for Cybersecurity Concept Inventories

Alan T. Sherman, Ankur Chattopadhyay, Dhananjay Phatak, Dong San Choi, Enis Golaszewski, Filipo Sharevski, Geoffrey L. Herman, Gregory V. Bard, Josiah Dykstra, Linda Oliva, Peter Peterson, Rakesh Verma, Ryan Vrecenar, Spencer E. Offenberger, Travis Scheponik

arxiv:1901.09286 v1 · 2019-01-26 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECSA2J5FDTLEFUQYOOFD2B33XD}

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.

Receipt and verification

First computed	2026-05-17T23:55:25.222265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a40d27a51cd642d218738a3d077bb8d5321e6eb0618647f76a6fd96b676f78

Aliases

arxiv: 1901.09286 · arxiv_version: 1901.09286v1 · doi: 10.48550/arxiv.1901.09286 · pith_short_12: ECSA2J5FDTLE · pith_short_16: ECSA2J5FDTLEFUQY · pith_short_8: ECSA2J5F

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/ECSA2J5FDTLEFUQYOOFD2B33XD \
  | 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: 20a40d27a51cd642d218738a3d077bb8d5321e6eb0618647f76a6fd96b676f78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "920837c42e13911811142f93b206b2775b0c16015fef73f44ae9180defb15cee",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-01-26T22:15:01Z",
    "title_canon_sha256": "adccfd1bad1165d29a8d025cd178db76db802522fcded23f5e346405c6ee7ced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09286",
    "kind": "arxiv",
    "version": 1
  }
}