Pith Number

pith:4KULKJHL

pith:2024:4KULKJHLEB5RY72POH6LILIKJ3

not attested not anchored not stored refs pending

The Potential of Answer Classes in Large-scale Written Computer-Science Exams -- Vol. 2

Dominic Lohr, Florian Rabe, Marc Berges, Michael Kohlhase

arxiv:2501.10368 v1 · 2024-12-12 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KULKJHLEB5RY72POH6LILIKJ3}

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	2026-07-05T10:02:26.763226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a8b524eb207b1c7f4f71fcb42d0a4ed5e72c183216b6e501e9f57a4a8eaa33

Aliases

arxiv: 2501.10368 · arxiv_version: 2501.10368v1 · doi: 10.48550/arxiv.2501.10368 · pith_short_12: 4KULKJHLEB5R · pith_short_16: 4KULKJHLEB5RY72P · pith_short_8: 4KULKJHL

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/4KULKJHLEB5RY72POH6LILIKJ3 \
  | 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: e2a8b524eb207b1c7f4f71fcb42d0a4ed5e72c183216b6e501e9f57a4a8eaa33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3df566ae7f554917280b6907b910fd9af7eedd66ed9d875061c1e17b237d9c32",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2024-12-12T10:20:39Z",
    "title_canon_sha256": "b34d97acf76468585aeb201c5f042f20aa1eb5f0492ee35b4507c3b767c31c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.10368",
    "kind": "arxiv",
    "version": 1
  }
}