Pith Number

pith:6PX5OMS3

pith:2021:6PX5OMS3JVCPYOVLWJYEP3UFTP

not attested not anchored not stored refs pending

Evaluating Two Approaches to Assessing Student Progress in Cybersecurity Exercises

Ankur Chattopadhyay, Jack Cook, Jan Vykopal, Jens Mache, Pavel \v{C}eleda, Radoslav Chudovsk\'y, Richard Weiss, Valdemar \v{S}v\'abensk\'y

arxiv:2112.02053 v1 · 2021-12-03 · cs.CY · 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{6PX5OMS3JVCPYOVLWJYEP3UFTP}

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	2026-07-05T03:37:35.323404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3efd7325b4d44fc3aabb27047ee859becd22181a2ee3bd4aaf7d1ca87a27792

Aliases

arxiv: 2112.02053 · arxiv_version: 2112.02053v1 · doi: 10.48550/arxiv.2112.02053 · pith_short_12: 6PX5OMS3JVCP · pith_short_16: 6PX5OMS3JVCPYOVL · pith_short_8: 6PX5OMS3

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/6PX5OMS3JVCPYOVLWJYEP3UFTP \
  | 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: f3efd7325b4d44fc3aabb27047ee859becd22181a2ee3bd4aaf7d1ca87a27792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9eefc2556970f401385bbe97d3bbc0798a8dc1a4d1b45532c6b0b915da82c52",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-12-03T18:08:27Z",
    "title_canon_sha256": "5455f8069bcd3163d6f13ad28e590605750de0130f99b2f7d7a2caed81f184c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02053",
    "kind": "arxiv",
    "version": 1
  }
}